Kokeyama, Keiko, Sato, Shuichi, Nishizawa, Atsushi, Kawamura, Seiji, Chen, Yanbei, Sugamoto, Akio
The displacement- and frequency-noise-free interferometer (DFI) is a multiple laser interferometer array for gravitational-wave detection free from both the displacement noise of optics and laser...
QND measurements for future gravitational-wave detectors (2009)
Chen, Yanbei, Danilishin, Stefan L., Khalili, Farid Ya., Müller-Ebhardt, Helge
Second-generation interferometric gravitational-wave detectors will be operating at the Standard Quantum Limit, a sensitivity limitation set by the trade off between measurement accuracy and quantum...
Standard Quantum Limit for Probing Mechanical Energy Quantization (2009)
Miao, Haixing, Danilishin, Stefan L., Corbitt, Thomas, Chen, Yanbei
We derive a standard quantum limit for probing mechanical energy quantization in a class of systems with mechanical modes parametrically coupled to external degrees of freedom. To resolve a single...
Pani, Paolo, Berti, Emanuele, Cardoso, Vitor, Chen, Yanbei, Norte, Richard
Gravitational waves from compact objects provide information about their structure, probing deep into strong-gravity regions. Here we illustrate how the presence or absence of an event horizon can...
Universal Quantum Entanglement between an Oscillator and Continuous Fields (2009)
Miao, Haixing, Danilishin, Stefan, Chen, Yanbei
Quantum entanglement has been actively sought for in optomechanical and electromechanical systems. The simplest such system is a mechanical oscillator interacting with a coherent beam, while the...
Lovelace, Geoffrey, Chen, Yanbei, Cohen, Michael, Kaplan, Jeffrey D., Keppel, Drew, Matthews, Keith D., ...
Research on extracting science from binary-black-hole (BBH) simulations has often adopted a "scattering matrix" perspective: given the binary's initial parameters, what are the final hole's...
Probing macroscopic quantum states with a sub-Heisenberg accuracy (2009)
Miao, Haixing, Danilishin, Stefan, Muller-Ebhardt, Helge, Rehbein, Henning, Somiya, Kentaro, Chen, Yanbei
Significant achievements in the reduction of classical-noise floor will allow macroscopic systems to prepare nearly Heisenberg-Limited quantum states through a continuous measurement, i.e....
Increasing the sensitivity of future gravitational-wave detectors with double squeezed-input (2009)
Khalili, Farid Ya., Miao, Haixing, Chen, Yanbei
We consider improving the sensitivity of future interferometric gravitational-wave detectors by simultaneously injecting two squeezed vacuums (light), filtered through a resonant Fabry-Perot cavity,...
Standard Quantum Limit for Probing Mechanical Energy Quantization (2009)
Miao, Haixing, Danilishin, Stefan, Corbitt, Thomas, Chen, Yanbei
We derive a standard quantum limit for probing mechanical energy quantization in a class of systems with mechanical modes parametrically coupled to external degrees of freedom. To resolve a single...
Appourchaux, Thierry, Burston, Raymond, Chen, Yanbei, Cruise, Michael, Dittus, Hansjörg, Foulon, Bernard, ...
ASTROD I is a planned interplanetary space mission with multiple goals. The primary aims are: to test general relativity with an improvement in sensitivity of over three orders of magnitude,...
Quantum state preparation and macroscopic entanglement in gravitational-wave detectors (2009)
Mueller-Ebhardt, Helge, Rehbein, Henning, Li, Chao, Mino, Yasushi, Somiya, Kentaro, Schnabel, Roman, ...
Long-baseline laser-interferometer gravitational-wave detectors are operating at a factor of 10 (in amplitude) above the standard quantum limit (SQL) within a broad frequency band. Such a low...
Keppel, Drew, Nichols, David A., Chen, Yanbei, Thorne, Kip S.
A brief overview is presented of a new Caltech/Cornell research program that is exploring the nonlinear dynamics of curved spacetime in binary black hole collisions and mergers, and of an initial...
The Einstein@Home search for periodic gravitational waves in LIGO S4 data (2009)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
A search for periodic gravitational waves, from sources such as isolated rapidly-spinning neutron stars, was carried out using 510 hours of data from the fourth LIGO science run (S4). The search was...
Appourchaux, Thierry, Burston, Raymond, Chen, Yanbei, Cruise, Michael, Dittus, Hansjoerg, Foulon, Bernard, ...
ASTROD I is a planned interplanetary space mission with multiple goals. The primary aims are: to test general relativity with an improvement in sensitivity of over three orders of magnitude,...
Quantum state preparation and macroscopic entanglement in gravitational-wave detectors (2009)
Müller-Ebhardt, Helge, Rehbein, Henning, Li, Chao, Mino, Yasushi, Somiya, Kentaro, Schnabel, Roman, ...
Long-baseline laser-interferometer gravitational-wave detectors are operating at a factor of 10 (in amplitude) above the standard quantum limit (SQL) within a broad frequency band. Such a low...
The Einstein@Home search for periodic gravitational waves in early S5 LIGO data (2009)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
This paper reports on an all-sky search for periodic gravitational waves from sources such as deformed isolated rapidly spinning neutron stars. The analysis uses 840 hours of data from 66 days of the...
Increasing the sensitivity of future gravitational-wave detectors with double squeezed-input (2009)
Khalili, Farid Ya., Miao, Haixing, Chen, Yanbei
We consider improving the sensitivity of future interferometric gravitational-wave detectors by simultaneously injecting two squeezed vacuums (light), filtered through a resonant Fabry-Perot cavity,...
Optimal light beams and mirror shapes for future LIGO interferometers (2008)
Bondarescu, Mihai, Kogan, Oleg, Chen, Yanbei
We report the results of a recent search for the lowest value of thermal noise that can be achieved in LIGO by changing the shape of mirrors, while fixing the mirror radius and maintaining a low...
Route to ponderomotive entanglement of light via optically trapped mirrors (2008)
Wipf, Christopher, Corbitt, Thomas, Chen, Yanbei, Mavalvala, Nergis
The radiation pressure of two laser beams detuned from resonance in an optical cavity can create a stable optical trap for a mechanical oscillation mode of a movable cavity mirror. Here it is shown...
Double optical spring enhancement for gravitational-wave detectors (2008)
Rehbein, Henning, Müller-Ebhardt, Helge, Somiya, Kentaro, Danilishin, Stefan L., Schnabel, Roman, Danzmann, Karsten, ...
Currently planned second-generation gravitational-wave laser interferometers such as Advanced LIGO exploit the extensively investigated signal-recycling technique. Candidate Advanced LIGO...
Creation of a quantum oscillator by classical control (2008)
Danilishin, Stefan, Müller-Ebhardt, Helge, Rehbein, Henning, Somiya, Kentaro, Schnabel, Roman, Danzmann, Karsten, ...
As a pure quantum state is being approached via linear feedback, and the occupation number approaches and eventually goes below unity, optimal control becomes crucial. We obtain theoretically the...
Optimal Light Beams and Mirror Shapes for Future LIGO Interferometers (2008)
Bondarescu, Mihai, Kogan, Oleg, Chen, Yanbei
We report the results of a recent search for the lowest value of thermal noise that can be achieved in LIGO by changing the shape of mirrors, while fixing the mirror radius and maintaining a low...
Double optical spring enhancement for gravitational wave detectors (2008)
Rehbein, Henning, Mueller-Ebhardt, Helge, Somiya, Kentaro, Danilishin, Stefan L., Schnabel, Roman, Danzmann, Karsten, ...
Currently planned second-generation gravitational-wave laser interferometers such as Advanced LIGO exploit the extensively investigated signal-recycling (SR) technique. Candidate Advanced LIGO...
A route to observing ponderomotive entanglement with optically trapped mirrors (2008)
Wipf, Christopher, Corbitt, Thomas, Chen, Yanbei, Mavalvala, Nergis
The radiation pressure of two detuned laser beams can create a stable trap for a suspended cavity mirror; here it is shown that such a configuration entangles the output light fields via interaction...
Appourchaux, Thierry, Burston, Raymond, Chen, Yanbei, Cruise, Michael, Dittus, Hansjoerg, Foulon, Bernard, ...
ASTROD I is a planned interplanetary space mission with multiple goals. The primary aims are: to test General Relativity with an improvement in sensitivity of over 3 orders of magnitude, improving...
Müller-Ebhardt, Helge, Rehbein, Henning, Schnabel, Roman, Danzmann, Karsten, Chen, Yanbei
We show that the generation of entanglement of two heavily macroscopic mirrors with masses of up to several kilograms are feasible with state of the art techniques of high-precision laser...
Ajith, P., Babak, Stanislav, Chen, Yanbei, Hewitson, Martin, Krishnan, Badri, Sintes, A. M., ...
Gravitational waveforms from the inspiral and ring-down stages of the binary black hole coalescences can be modelled accurately by approximation/perturbation techniques in general relativity. Recent...
Implications for the origin of GRB 070201 from LIGO observations (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We analyzed the available LIGO data coincident with GRB 070201, a short-duration, hard-spectrum gamma-ray burst (GRB) whose electromagnetically determined sky position is coincident with the spiral...
Astrophysically triggered searches for gravitational waves: status and prospects (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e. g. from...
A joint search for gravitational wave bursts with AURIGA and LIGO (2008)
Baggio, L., Bignotto, M., Bonaldi, M., Cerdonio, M., De Rosa, M., Falferi, P., ...
The first simultaneous operation of the AURIGA detector(63) and the LIGO observatory(64) was an opportunity to explore real data, joint analysis methods between two very different types of...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We present the results of a search for short-duration gravitational-wave bursts associated with 39 gamma-ray bursts (GRBs) detected by gamma-ray satellite experiments during LIGO's S2, S3, and S4...
Search for gravitational waves from binary inspirals in S3 and S4 LIGO data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We report on a search for gravitational waves from the coalescence of compact binaries during the third and fourth LIGO science runs. The search focused on gravitational waves generated during the...
All-sky search for periodic gravitational waves in LIGO S4 data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50-1000 Hz and with the frequency's time derivative in the range -1 x 10(-8) Hz s(-1) to...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We report on the methods and results of the first dedicated search for gravitational waves emitted during the inspiral of compact binaries with spinning component bodies. We analyze 788 hours of data...
Double optical spring enhancement for gravitational wave detectors (2008)
Rehbein, Henning, Müller-Ebhardt, Helge, Somiya, Kentaro, Danilishin, Stefan L., Schnabel, Roman, Danzmann, Karsten, ...
Currently planned second-generation gravitational-wave laser interferometers such as Advanced LIGO exploit the extensively investigated signal-recycling technique. Candidate Advanced LIGO...
Ajith, P., Babak, Stanislav, Chen, Yanbei, Hewitson, Martin, Krishnan, Badri, Sintes, A. M., ...
Gravitational waveforms from the inspiral and ring-down stages of the binary black-hole coalescences can be modeled accurately by approximation/perturbation techniques in general relativity. Recent...
Sato, S., Kokeyama, Keiko, Kawamura, Seiji, Ward, R. L., Nishizawa, A., Chen, Yanbei, ...
We have demonstrated displacement- and frequency-noise-free laser interferometry (DFI) by partially implementing a recently proposed optical configuration using bi-directional Mach–Zehnder...
Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
We present direct upper limits on gravitational wave emission from the Crab pulsar using data from the first 9 months of the fifth science run of the Laser Interferometer Gravitational-wave...
Optimal light beams and mirror shapes for future LIGO interferometers (2008)
Bondarescu, Mihai, Kogan, Oleg, Chen, Yanbei
We report the results of a recent search for the lowest value of thermal noise that can be achieved in LIGO by changing the shape of mirrors, while fixing the mirror radius and maintaining a low...
Displacement noise free interferometory for gravitational wave detection (2008)
Sato, Shuichi, Kokeyama, Keiko, Kawamura, Seiji, Ward, R. L., Nishizawa, A., Chen, Yanbei, ...
We have demonstrated displacement- and frequency-noise-free laser interferometry (DFI) by partially implementing a recently proposed optical configuration using bidirectional Mach-Zehnder...
Wen, Linqing, Fan, Xilong, Chen, Yanbei
We report for the first time a method-independent geometrical expression for the angular resolution of an arbitrary network of interferometric gravitational wave (GW) detectors when the arrival-time...
Search for Gravitational-Wave Bursts from Soft Gamma Repeaters (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
We present a LIGO search for short-duration gravitational waves (GWs) associated with soft gamma ray repeater (SGR) bursts. This is the first search sensitive to neutron star f modes, usually...
First joint search for gravitational-wave bursts in LIGO and GEO 600 data (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
We present the results of the first joint search for gravitational-wave bursts by the LIGO and GEO 600 detectors. We search for bursts with characteristic central frequencies in the band 768-2048 Hz...
Creation of a quantum oscillator by classical control (2008)
Danilishin, Stefan, Müller-Ebhardt, Helge, Rehbein, Henning, Somiya, Kentaro, Schnabel, Roman, Danzmann, Karsten, ...
As a pure quantum state is being approached via linear feedback, and the occupation number approaches and eventually goes below unity, optimal control becomes crucial. We obtain theoretically the...
Ajith, P., Babak, Stanislav, Chen, Yanbei, Hewitson, Martin, Krishnan, Badri, Sintes, A. M., ...
Gravitational waveforms from the inspiral and ring-down stages of the binary black-hole coalescences can be modeled accurately by approximation/perturbation techniques in general relativity. Recent...
Wen, Linqing, Fan, Xilong, Chen, Yanbei
We report for the first time a method-independent geometrical expression for the angular resolution of an arbitrary network of interferometric gravitational wave (GW) detectors when the arrival-time...
Local readout enhancement for detuned signal-recycling interferometers (2007)
Rehbein, Henning, Müller-Ebhardt, Helge, Somiya, Kentaro, Li, Chao, Schnabel, Roman, Danzmann, Karsten, ...
High power detuned signal-recycling interferometers currently planned for second-generation interferometric gravitational-wave detectors (for example Advanced LIGO) are characterized by two...
Local readout enhancement for detuned signal-recycling interferometers (2007)
Rehbein, Henning, Mueller-Ebhardt, Helge, Somiya, Kentaro, Li, Chao, Schnabel, Roman, Danzmann, Karsten, ...
Motivated by the optical-bar scheme of Braginsky, Gorodetsky and Khalili, we propose to add to a high power detuned signal-recycling interferometer a local readout scheme which measures the motion of...
Mueller-Ebhardt, Helge, Rehbein, Henning, Schnabel, Roman, Danzmann, Karsten, Chen, Yanbei
We show that the generation of entanglement of two heavily macroscopic mirrors with masses of up to several kilograms are feasible with state of the art techniques of high-precision laser...
A phenomenological template family for black-hole coalescence waveforms (2007)
Ajith, P., Babak, Stanislav, Chen, Yanbei, Hewitson, Martin, Krishnan, Badri, Whelan, J. T., ...
Recent progress in numerical relativity has enabled us to model the non-perturbative merger phase of the binary black-hole coalescence problem. Based on these results, we propose a phenomenological...
Sato, Shuichi, Kokeyama, Keiko, Ward, Robert L., Kawamura, Seiji, Chen, Yanbei, Pai, Archana, ...
We have demonstrated displacement- and frequency-noise-free laser interferometry (DFI) by partially implementing a recently proposed optical configuration using bidirectional Mach-Zehnder...
An All-Optical Trap for a Gram-Scale Mirror (2007)
Corbitt, Thomas, Chen, Yanbei, Innerhofer, Edith, Müller-Ebhardt, Helge, Ottaway, David, Rehbein, Henning, ...
We report on a stable optical trap suitable for a macroscopic mirror, wherein the dynamics of the mirror are fully dominated by radiation pressure. The technique employs two frequency-offset laser...
Transition from inspiral to plunge in precessing binaries of spinning black holes (2007)
Buonanno, Alessandra, Chen, Yanbei, Damour, Thibault
We investigate the nonadiabatic dynamics of spinning black-hole binaries by using an analytical Hamiltonian completed with a radiation-reaction force, containing spin couplings, which matches the...
Utility investigation of artificial time delay in displacement-noise-free interferometers (2007)
Somiya, Kentaro, Chen, Yanbei, Goda, Keisuke, Mikhailov, E.
Laser interferometer gravitational wave detectors are usually limited by displacement noise in their lower frequency band. Recently, theoretical proposals have been put forward to construct schemes...
Local readout enhancement for detuned signal-recycling interferometers (2007)
Müller-Ebhardt, Helge, Rehbein, Henning, Schnabel, Roman, Danzmann, Karsten, Chen, Yanbei, Li, Chao, ...
Motivated by the optical-bar scheme of Braginsky, Gorodetsky and Khalili, we propose to add to a high power detuned signal-recycling interferometer a local readout scheme which measures the motion of...
Isolation of gravitational waves from displacement noise and utility of a time-delay device (2007)
Somiya, Kentaro, Goda, Keisuke, Chen, Yanbei, Mikhailov, E.
nterferometers with kilometer-scale arms have been built for gravitational-wave detections on the ground; ones with much longer arms are being planned for space-based detection. One fundamental...
Interferometers for Displacement-Noise-Free Gravitational-Wave Detection (2007)
Chen, Yanbei, Pai, Archana, Somiya, Kentaro, Kawamura, Seiji, Sato, Shuichi, Kokeyama, Keiko, ...
We propose a class of displacement- and laser-noise free gravitational-wave-interferometer configurations, which does not sense non-geodesic mirror motions and laser noises, but provides...
Abbott, B., Abbott, R., Adhikari, R., Boschi, V., Agresti, Juri, Ajith, P., ...
We report on a search for gravitational waves from binary black hole inspirals in the data from the second science run of the LIGO interferometers. The search focused on binary systems with component...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
Data from the LIGO Livingston interferometer and the ALLEGRO resonant bar detector, taken during LIGO's fourth science run, were examined for cross-correlations indicative of a stochastic...
Upper limit map of a background of gravitational waves (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We searched for an anisotropic background of gravitational waves using data from the LIGO S4 science run and a method that is optimized for point sources. This is appropriate if, for example, the...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We carry out two searches for periodic gravitational waves using the most sensitive few hours of data from the second LIGO science run. Both searches exploit fully coherent matched filtering and...
Upper limits on gravitational wave emission from 78 radio pulsars (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
Search for gravitational-wave bursts in LIGO data from the fourth science run (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
The fourth science run of the LIGO and GEO 600 gravitational-wave detectors, carried out in early 2005, collected data with significantly lower noise than previous science runs. We report on a search...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
The Laser Interferometer Gravitational‐Wave Observatory (LIGO) has performed the fourth science run, S4, with significantly improved interferometer sensitivities with respect to previous runs....
Extracting Information about EMRIs using Time-Frequency Methods (2006)
Wen, Linqing, Chen, Yanbei, Gair, Jonathan
The inspirals of stellar-mass compact objects into supermassive black holes are some of the most exciting sources of gravitational waves for LISA. Detection of these sources using fully coherent...
Isolation of gravitational waves from displacement noise and utility of a time-delay device (2006)
Somiya, Kentaro, Goda, Keisuke, Chen, Yanbei, Mikhailov, Eugeniy E.
Interferometers with kilometer-scale arms have been built for gravitational-wave detections on the ground; ones with much longer arms are being planned for space-based detection. One fundamental...
Interferometers for Displacement-Noise-Free Gravitational-Wave Detection (2006)
Chen, Yanbei, Pai, Archana, Somiya, Kentaro, Kawamura, Seiji, Sato, Shuichi, Kokeyama, Keiko, ...
We propose a class of displacement- and laser-noise-free gravitational-wave-interferometer configurations, which does not sense nongeodesic mirror motion and laser noise, but provides a nonvanishing...
Sato, Shuichi, Kawamura, Seiji, Kokeyama, Keiko, Ward, Robert L., Chen, Yanbei, Pai, Archana, ...
We have demonstrated displacement- and frequency-noise free laser interferometry (DFI) by partially implementing a recently proposed optical configuration using bi-directional Mach-Zehnder...
It was recently proposed to use extra-galactic point sources to constrain space-time quantum fluctuations in the universe. In these proposals, the fundamental "fuzziness" of distance caused by...
Interferometers for Displacement-Noise-Free Gravitational-Wave Detection (2006)
Chen, Yanbei, Pai, Archana, Somiya, Kentaro, Kawamura, Seiji, Sato, Shuichi, Kokeyama, Keiko, ...
We propose a class of displacement- and laser-noise free gravitational-wave-interferometer configurations, which does not sense non-geodesic mirror motions and laser noises, but provides...
Squeezed-state source using radiation-pressure-induced rigidity (2006)
Corbitt, Thomas, Chen, Yanbei, Khalili, Farid, Ottaway, David, Vyatchanin, Sergey, Whitcomb, Stu, ...
We propose an experiment to extract ponderomotive squeezing from an interferometer with high circulating power and low mass mirrors. In this interferometer, optical resonances of the arm cavities are...
Displacement- and Timing-noise Free Gravitational-wave Detection (2006)
Motivated by a recently-invented scheme of displacement-noise-free gravitational-wave detection, we demonstrate the existence of gravitational-wave detection schemes insusceptible to both...
Transition from inspiral to plunge in precessing binaries of spinning black holes (2006)
Buonanno, Alessandra, Chen, Yanbei, Damour, Thibault
We investigate the non-adiabatic dynamics of spinning black hole binaries by using an analytical Hamiltonian completed with a radiation-reaction force, containing spin couplings, which matches the...
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 gravitational wave detector uses advanced technologies including signal recycling and monolithic fused-silica suspensions to achieve a sensitivity close to the kilometre scale LIGO and...
Search for gravitational waves from binary black hole inspirals in LIGO data (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
We report on a search for gravitational waves from binary black hole inspirals in the data from the second science run of the LIGO interferometers. The search focused on binary systems with component...
Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
We search for coincident gravitational wave signals from inspiralling neutron star binaries using LIGO and TAMA300 data taken during early 2003. Using a simple trigger exchange method, we perform an...
Status of the GEO600 detector (2006)
Lück, Harald, Hewitson, Martin, Ajith, P., Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, ...
Of all the large interferometric gravitational-wave detectors, the German/British project GEO600 is the only one which uses dual recycling. During the four weeks of the international S4 data-taking...
Extracting Information about EMRIs using Time-Frequency (2006)
Wen, Linqing, Chen, Yanbei, Gair, Jonathan R.
The inspirals of stellar-mass compact objects into supermassive black holes are some of the most exciting sources of gravitational waves for LISA. Detection of these sources using fully coherent...
Extracting Information about EMRIs using Time-Frequency Methods (2006)
Wen, Linqing, Chen, Yanbei, Gair, Jonathan R.
The inspirals of stellar-mass compact objects into supermassive black holes are some of the most exciting sources of gravitational waves for LISA. Detection of these sources using fully coherent...
Somiya, K., Chen, Yanbei, Kawamura, Seiji, Mio, N.
The sensitivity of next-generation gravitational-wave detectors such as Advanced LIGO and LCGT should be limited mostly by quantum noise with an expected technical progress to reduce seismic noise...
Search for gravitational-wave bursts in LIGO's third science run (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Allen, Bruce, Amin, R., ...
We report on a search for gravitational-wave bursts in data from the three LIGO interferometric detectors during their third science run. The search targets sub-second bursts in the frequency range...
Savov, Pavlin, Agresti, Juri, Chen, Yanbei, D'Ambrosio, Erika
In his recent work on a tilt instability for advanced LIGO interferometers, P. Savov discovered numerically a unique duality relation between the eigenspectra of paraxial optical cavities with...
Buonanno, Alessandra, Chen, Yanbei, Pan, Yi, Tagoshi, Hideyuki, Vallisneri, Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Buonanno, Alessandra, Chen, Yanbei, Pan, Yi, Tagoshi, Hideyuki, Vallisneri, Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Transition from inspiral to plunge in precessing binaries of spinning black holes (2005)
Buonanno, Alessandra, Chen, Yanbei, Damour, Thibault
We investigate the non-adiabatic dynamics of spinning black hole binaries by using an analytical Hamiltonian completed with a radiation-reaction force, containing spin couplings, which matches the...
Displacement- and Timing-Noise Free Gravitational-Wave Detection (2005)
Motivated by a recently-invented scheme of displacement-noise-free gravitational-wave detection, we demonstrate the existence of gravitational-wave detection schemes insusceptible to both...
Corbitt, Thomas, Chen, Yanbei, Mavalvala, Nergis
We present a mathematical framework for simulation of optical fields in complex gravitational-wave interferometers. The simulation framework uses the two-photon formalism for optical fields and...
Corbitt,T., Chen,Yanbei, Mavalvala,N.
We present a mathematical framework for simulation of optical fields in complex gravitational-wave interferometers. The simulation framework uses the two-photon formalism for optical fields and...
Buonanno,Alessandra, Chen,Yanbei, Pan,Yi, Tagoshi,Hideyuki, Vallisneri,Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Corbitt, Thomas, Chen, Yanbei, Mavalvala, N.
We present a mathematical framework for simulation of optical fields in complex gravitational-wave interferometers. The simulation framework uses the two-photon formalism for optical fields and...
A ponderomotively squeezed source for advanced gravitational-wave interferometers (2005)
Corbitt, Thomas, Chen, Yanbei, Ottaway, David, Whitcomb, S., Mavalvala, N., Khalili, F. Y., ...
Buonanno, Alessandra, Chen, Yanbei, Pan, Yi, Tagoshi, Hideyuki, Vallisneri, Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Agresti, Juri, Chen, Yanbei, D'Ambrosio, Erika, Savov, Pavlin
In his recent work on a tilt instability for advanced LIGO interferometers, P. Savov discovered numerically a unique duality relation between the eigenspectra of paraxial optical cavities with...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Allen, Bruce, ...
We perform a wide parameter-space search for continuous gravitational waves over the whole sky and over a large range of values of the frequency and the first spin-down parameter. Our search method...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Allen, Bruce, ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We use data from the second science run of the LIGO gravitational-wave detectors to search for the gravitational waves from primordial black hole binary coalescence with component masses in the range...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We use 373 hours ([approximate]15 days) of data from the second science run of the LIGO gravitational-wave detectors to search for signals from binary neutron star coalescences within a maximum...
Limits on gravitational-wave emission from selected pulsars using LIGO data (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Upper limits on a stochastic background of gravitational waves (2005)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
The Laser Interferometer Gravitational-Wave Observatory has performed a third science run with much improved sensitivities of all three interferometers. We present an analysis of approximately 200...
The LIGO gravitational wave obervatories: Recent results and future plans (2005)
Harry, G. M., Adhikari, R., Ballmer, S., Bayer, K., Betzwieser, J., Bochner, B., ...
Displacement-Noise-Free Gravitational-Wave Detection (2004)
We present a new idea that allows us to detect gravitational waves without being disturbed by any kind of displacement noise, based on the fact that gravitational waves and test-mass motions affect...
Buonanno, Alessandra, Chen, Yanbei, Pan, Yi, Vallisneri, Michele
The gravitational waveforms emitted during the adiabatic inspiral of precessing binaries with two spinning compact bodies of comparable masses, evaluated within the post-Newtonian approximation, can...
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Woan,G., Allen,Bruce, Abbott,B., Abbott,F., Adhikari,R., Amin,R., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar J1939...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
LIGO: S1 Science Results and Plans Beyond (2004)
Abbott,B., Abbott,F., Adhikari,R., Ageev,A., Allen,Bruce, Amin,R., ...
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Woan, G., Allen, Bruce, Abbott, B., Abbott, F., Adhikari, R., Amin, R., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar J1939...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational wave bursts using data from the first science run of the Laser Interferometer Gravitational Wave Observatory (LIGO) detectors. Our search focuses on bursts...
LIGO: S1 Science Results and Plans Beyond (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
Pan, Yi, Buonanno, Alessandra, Chen, Yanbei, Vallisneri, Michele
The detection of the gravitational waves (GWs) emitted by precessing binaries of spinning compact objects is complicated by the large number of parameters (such as the magnitudes and initial...
Buonanno, Alessandra, Chen, Yanbei
We study frequency dependent (FD) input-output schemes for signal-recycling interferometers, the baseline design of Advanced LIGO and the current configuration of GEO 600. Complementary to a recent...
This thesis deals with the planning for advanced interferometric gravitational-wave detectors, as well as the detection of inspiral waves using first-generation interferometers. In Chapters 2 -- 4...
This thesis deals with the planning for advanced interferometric gravitational-wave detectors, as well as the detection of inspiral waves using first-generation interferometers. In Chapters 2 -- 4...
Squeezed-input, optical-spring, signal-recycled gravitational-wave detectors (2003)
Harms, Jan, Chen, Yanbei, Chelkowski, Simon, Franzen, Alexander, Vahlbruch, Henning, Danzmann, Karsten, ...
We theoretically analyze the quantum noise of signal-recycled laser interferometric gravitational-wave detectors with additional input and output optics, namely frequency-dependent squeezing of the...
Buonanno, Alessandra, Chen, Yanbei, Mavalvala, Nergis
We analyze and discuss the quantum noise in signal-recycled laser interferometer gravitational-wave detectors, such as Advanced LIGO, using a heterodyne readout scheme and taking into account the...
Squeezed-input, optical-spring, signal-recycled gravitational-wave detectors (2003)
Harms,Jan, Chen,Yanbei, Chelkowski,Simon, Franzen,Alexander, Vahlbruch,Henning, Danzmann,Karsten, ...
We theoretically analyze the quantum noise of signal-recycled laser interferometric gravitational-wave detectors with additional input and output optics, namely frequency-dependent squeezing of the...
Squeezed-input, optical-spring, signal-recycled gravitational-wave detectors (2003)
Harms, Jan, Chen, Yanbei, Chelkowski, Simon, Franzen, Alexander, Vahlbruch, Henning, Danzmann, Karsten, ...
We theoretically analyze the quantum noise of signal-recycled laser interferometric gravitational-wave detectors with additional input and output optics, namely frequency-dependent squeezing of the...
Buonanno, Alessandra, Chen, Yanbei, Vallisneri, Michele
Black-hole (BH) binaries with single-BH masses m=5--20 Msun, moving on quasicircular orbits, are among the most promising sources for first-generation ground-based gravitational-wave (GW) detectors....
According to quantum measurement theory, "speed meters" -- devices that measure the momentum, or speed, of free test masses -- are immune to the standard quantum limit (SQL). It is shown that a...
Practical speed meter designs for QND gravitational-wave interferometers (2002)
Purdue, Patricia, Chen, Yanbei
In the quest to develop viable designs for third-generation optical interferometric gravitational-wave detectors (e.g., LIGO-III and EURO), one strategy is to monitor the relative momentum or speed...
Scaling law in signal recycled laser-interferometer gravitational-wave detectors (2002)
Buonanno, Alessandra, Chen, Yanbei
By mapping the signal-recycling (SR) optical configuration to a three-mirror cavity, and then to a single detuned cavity, we express SR optomechanical dynamics, input--output relation and noise...
Buonanno, Alessandra, Chen, Yanbei, Vallisneri, Michele
We investigate the problem of detecting gravitational waves from binaries of nonspinning black holes with masses m = 5--20 Msun, moving on quasicircular orbits, which are arguably the most promising...
Laser-interferometer gravitational-wave optical-spring detectors (2002)
Buonanno, Alessandra, Chen, Yanbei
Using a quantum mechanical approach, we show that in a gravitational-wave interferometer composed of arm cavities and a signal recycling cavity, e.g., the LIGO-II configuration, the...
Signal recycled laser-interferometer gravitational-wave detectors as optical springs (2001)
Buonanno, Alessandra, Chen, Yanbei
Using the force-susceptibility formalism of linear quantum measurements, we study the dynamics of signal recycled interferometers, such as LIGO-II. We show that, although the antisymmetric mode of...
Buonanno, Alessandra, Chen, Yanbei
It has long been thought that the sensitivity of laser interferometric gravitational-wave detectors is limited by the free-mass standard quantum limit, unless radical redesigns of the interferometers...
Buonanno, Alessandra, Chen, Yanbei
The uncertainty principle, applied naively to the test masses of a laser-interferometer gravitational-wave detector, produces a Standard Quantum Limit (SQL) on the interferometer's sensitivity. It...
A ponderomotively squeezed source for advanced gravitational-wave interferometers
Corbitt,T., Chen,Yanbei, Ottaway,D., Whitcomb,S., Mavalvala,N., Khalili,F.Y., ...
Transition from inspiral to plunge in precessing binaries of spinning black holes
Buonanno,Alessandra, Chen,Yanbei, Damour,Thibault
We investigate the non-adiabatic dynamics of spinning black hole binaries by using an analytical Hamiltonian completed with a radiation-reaction force, containing spin couplings, which matches the...
Somiya, K., Chen, Yanbei, Kawamura, S., Mio, N.
The sensitivity of next-generation gravitational-wave detectors such as Advanced LIGO and LCGT should be limited mostly by quantum noise with an expected technical progress to reduce seismic noise...
t was recently proposed to use extra-galactic point sources to constrain space-time quantum fluctuations in the universe. In these proposals, the fundamental "fuzziness" of distance caused by...