Distinguishability of Gaussian States in Quantum Cryptography using Post-Selection (2009)
Weedbrook, Christian, Alton, Daniel J., Symul, Thomas, Lam, Ping Koy, Ralph, Timothy C.
We consider the distinguishability of Gaussian states from the view point of continuous-variable quantum cryptography using post-selection. Specifically, we use the probability of error to...
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...
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...
Observation of entanglement between two light beams spanning an octave in optical frequency (2008)
Grosse, Nicolai B., Assad, Syed, Mehmet, Moritz, Schnabel, Roman, Symul, Thomas, Lam, Ping Koy
We have experimentally demonstrated how two beams of light separated by an octave in frequency can become entangled after their interaction in a second-order nonlinear medium. The entangler consisted...
Hètet, Gabriel, Buchler, Ben C., Glöeckl, Oliver, Hsu, Magnus T. L., Akulshin, Alexander M., Bachor, Hans Albert, ...
We demonstrate experimentally the delay of squeezed light and entanglement using Electromagnetically Induced Transparency (EIT) in a rubidium vapour cell. We perform quadrature amplitude measurements...
Hètet, Gabriel, Buchler, Ben C., Glöeckl, Oliver, Hsu, Magnus T. L., Akulshin, Alexander M., Bachor, Hans Albert, ...
We demonstrate experimentally the delay of squeezed light and entanglement using Electromagnetically Induced Transparency (EIT) in a rubidium vapour cell. We perform quadrature amplitude measurements...
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...
Hètet, Gabriel, Buchler, Ben C., Glöeckl, Oliver, Hsu, Magnus T. L., Akulshin, Alexander M., Bachor, Hans Albert, ...
We demonstrate experimentally the delay of squeezed light and entanglement using Electromagnetically Induced Transparency (EIT) in a rubidium vapour cell. We perform quadrature amplitude measurements...
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...
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...
Hètet, Gabriel, Buchler, Ben C., Glöeckl, Oliver, Hsu, Magnus T. L., Akulshin, Alexander M., Bachor, Hans Albert, ...
We demonstrate experimentally the delay of squeezed light and entanglement using Electromagnetically Induced Transparency (EIT) in a rubidium vapour cell. We perform quadrature amplitude measurements...
Quantum Cloning of Continuous Variable Entangled States (2007)
Weedbrook, Christian, Grosse, Nicolai B., Symul, Thomas, Lam, Ping Koy, Ralph, Timothy C.
We consider the quantum cloning of continuous variable entangled states. This is achieved by introducing two symmetric entanglement cloning machines (or e-cloners): a local e-cloner and a global...
Symul, Thomas, Alton, Daniel J., Assad, Syed M., Lance, Andrew M., Weedbrook, Christian, Ralph, Timothy C., ...
In realistic continuous variable quantum key distribution protocols, an eavesdropper may exploit the additional Gaussian noise generated during transmission to mask her presence. We present a...
Coherent State Distinguishability in Continuous Variable Quantum Cryptography (2007)
Weedbrook, Christian, Gu, Mile, Lance, Andrew M., Symul, Thomas, Lam, Ping Koy, Ralph, Timothy C.
We use the probability of error as a measure of distinguishability between two pure and two mixed symmetric coherent states in the context of continuous variable quantum cryptography. We show that...
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....
Measuring photon anti-bunching from continuous variable sideband squeezing (2006)
Grosse, Nicolai B., Symul, Thomas, Stobińska, Magdalena, Ralph, Timothy C., Lam, Ping Koy
We present a technique for measuring the second-order coherence function $g^{(2)}(\tau)$ of light using a Hanbury-Brown Twiss intensity interferometer modified for homodyne detection. The experiment...
TEM10 homodyne detection as an optimal small displacement and tilt measurements scheme (2006)
Delaubert, Vincent, Treps, Nicolas, Lassen, Mikael, Harb, Charles, Fabre, Claude, Lam, Ping Koy, ...
We report an experimental demonstration of optimal measurements of small displacement and tilt of a Gaussian beam - two conjugate variables - involving a homodyne detection with a TEM10 local...
TEM10 homodyne detection as an optimal small displacement and tilt measurements scheme (2006)
Delaubert, Vincent, Treps, Nicolas, Lassen, Mikael, Harb, Charles, Fabre, Claude, Lam, Ping Koy, ...
We report an experimental demonstration of optimal measurements of small displacement and tilt of a Gaussian beam - two conjugate variables - involving a homodyne detection with a TEM10 local...
TEM10 homodyne detection as an optimal small displacement and tilt measurements scheme (2006)
Delaubert, Vincent, Treps, Nicolas, Lassen, Mikael, Harb, Charles C., Fabre, Claude, Lam, Ping Koy, ...
We report an experimental demonstration of optimal measurements of small displacement and tilt of a Gaussian beam - two conjugate variables - involving a homodyne detection with a TEM10 local...
Quantum study of information delay in electromagetically induced transparency (2006)
Hsu, Magnus T. L., Hetet, Gabriel, Glockl, Oliver, Longdell, Jevon J., Buchler, Ben C., Bachor, Hans-A., ...
Using electromagnetically induced transparency (EIT), it is possible to delay and store light in atomic ensembles. Theoretical modelling and recent experiments have suggested that the EIT storage...
Conditional quantum-state engineering using ancillary squeezed-vacuum states (2006)
Jeong, Hyunseok, Lance, Andrew M., Grosse, Nicolai B., Symul, Thomas, Lam, Ping Koy, Ralph, Timothy C.
We investigate an optical scheme to conditionally engineer quantum states using a beam splitter, homodyne detection and a squeezed vacuum as an ancillar state. This scheme is efficient in producing...
Lassen, Mikael, Delaubert, Vincent, Harb, Charles C., Treps, Nicolas, Lam, Ping Koy, Bachor, Hans A.
We demonstrate quantum correlations in the transverse plane of continuous wave light beams by producing -4.0 dB, -2.6 dB and -1.5 dB of squeezing in the TEM00, TEM10 and TEM20 Hermite- Gauss modes...
Harmonic entanglement with second-order nonlinearity (2006)
Grosse, Nicolai B., Bowen, Warwick P., McKenzie, Kirk, Lam, Ping Koy
We investigate the second-order nonlinear interaction as a means to generate entanglement between fields of differing wavelengths and show that perfect entanglement can, in principle, be produced...
A quantum study of multi-bit phase coding for optical storage (2006)
Hsu, Magnus T. L., Delaubert, Vincent, Bowen, Warwick P., Fabre, Claude, Bachor, Hans-A., Lam, Ping Koy
We propose a scheme which encodes information in both the longitudinal and spatial transverse phases of a continuous-wave optical beam. A split detector-based interferometric scheme is then...
Quantum measurements of spatial conjugate variables: Displacement and tilt of a Gaussian beam (2006)
Delaubert, Vincent, Treps, Nicolas, Harb, Charles, Lam, Ping Koy, Bachor, Hans
We consider the problem of measurement of optical transverse profile parameters and their conjugate variable. Using multi-mode analysis, we introduce the concept of detection noise-modes. For...
TEM10 homodyne detection as an optimal small displacement and tilt measurements scheme (2006)
Delaubert, Vincent, Treps, Nicolas, Lassen, Mikael, Harb, Charles, Fabre, Claude, Lam, Ping Koy, ...
We report an experimental demonstration of optimal measurements of small displacement and tilt of a Gaussian beam - two conjugate variables - involving a homodyne detection with a TEM10 local...
Quantum measurements of spatial conjugate variables: Displacement and tilt of a Gaussian beam (2006)
Delaubert, Vincent, Treps, Nicolas, Harb, Charles, Lam, Ping Koy, Bachor, Hans
We consider the problem of measurement of optical transverse profile parameters and their conjugate variable. Using multi-mode analysis, we introduce the concept of detection noise-modes. For...
Quantum measurements of spatial conjugate variables: Displacement and tilt of a Gaussian beam (2006)
Delaubert, Vincent, Treps, Nicolas, Harb, Charles, Lam, Ping Koy, Bachor, Hans
We consider the problem of measurement of optical transverse profile parameters and their conjugate variable. Using multi-mode analysis, we introduce the concept of detection noise-modes. For...
TEM10 homodyne detection as an optimal small displacement and tilt measurements scheme (2006)
Delaubert, Vincent, Treps, Nicolas, Lassen, Mikael, Harb, Charles, Fabre, Claude, Lam, Ping Koy, ...
We report an experimental demonstration of optimal measurements of small displacement and tilt of a Gaussian beam - two conjugate variables - involving a homodyne detection with a TEM10 local...
Quantum measurements of spatial conjugate variables: Displacement and tilt of a Gaussian beam (2005)
Delaubert, Vincent, Treps, Nicolas, Harb, Charles, Lam, Ping Koy, Bachor, Hans
We consider the problem of measurement of optical transverse profile parameters and their conjugate variable. Using multi-mode analysis, we introduce the concept of detection noise-modes. For...
Quantum measurements of spatial conjugate variables: Displacement and tilt of a Gaussian beam (2005)
Delaubert, Vincent, Treps, Nicolas, Harb, Charles C., Lam, Ping Koy, Bachor, Hans A.
We consider the problem of measurement of optical transverse profile parameters and their conjugate variable. Using multi-mode analysis, we introduce the concept of detection noise-modes. For...
Quantum State Engineering with Continuous-Variable Post-Selection (2005)
Lance, Andrew M., Jeong, Hyunseok, Grosse, Nicolai B., Symul, Thomas, Ralph, Timothy C., Lam, Ping Koy
We present a scheme to conditionally engineer an optical quantum system via continuous-variable measurements. This scheme yields high-fidelity squeezed single photon and superposition of coherent...
Continuous-Variable Spatial Entanglement for Bright Optical Beams (2005)
Hsu, Magnus T. L., Bowen, Warwick P., Treps, Nicolas, Lam, Ping Koy
A light beam is said to be position squeezed if its position can be determined to an accuracy beyond the standard quantum limit. We identify the position and momentum observables for bright optical...
Coherent State Quantum Key Distribution Without Random Basis Switching (2005)
Weedbrook, Christian, Lance, Andrew M., Bowen, Warwick P., Symul, Thomas, Ralph, Timothy C., Lam, Ping Koy
The random switching of measurement bases is commonly assumed to be a necessary step of quantum key distribution protocols. In this paper we show that switching is not required for coherent state...
Harmonic entanglement with second-order non-linearity (2005)
Grosse, Nicolai B., Bowen, Warwick P., McKenzie, Kirk, Lam, Ping Koy
We investigate the second-order non-linear interaction as a means to generate entanglement between fields of differing wavelengths. And show that perfect entanglement can, in principle, be produced...
McKenzie, Kirk, Mikhailov, Eugeniy, Goda, Keisuke, Lam, Ping Koy, Grosse, Nicolai, Gray, Malcolm B., ...
Quantum optical states which have no coherent amplitude, such as squeezed vacuum states, can not rely on standard readout techniques to generate error signals for control of the quadrature phase....
Goda, Keisuke, McKenzie, Kirk, Mikhailov, Eugeniy E., Lam, Ping Koy, McClelland, David, Mavalvala, Nergis
We study the effect of photothermal fluctuations on squeezed states of light through the photo-refractive effect and thermal expansion in a degenerate optical parametric amplifier (OPA). We also...
No-Switching Quantum Key Distribution using Broadband Modulated Coherent Light (2005)
Lance, Andrew M., Symul, Thomas, Sharma, Vikram, Weedbrook, Christian, Ralph, Timothy C., Lam, Ping Koy
We realize an end-to-end no-switching quantum key distribution protocol using continuous-wave coherent light. We encode weak broadband Gaussian modulations onto the amplitude and phase quadratures of...
Continuous-Variable Spatial Entanglement for Bright Optical Beams (2005)
Hsu, Magnus T. L., Bowen, Warwick P., Treps, Nicolas, Lam, Ping Koy
A light beam is said to be position squeezed if its position can be determined to an accuracy beyond the standard quantum limit. We identify the position and momentum observables for bright optical...
Continuous-Variable Spatial Entanglement for Bright Optical Beams (2005)
Hsu, Magnus T. L., Bowen, Warwick P., Treps, Nicolas, Lam, Ping Koy
A light beam is said to be position squeezed if its position can be determined to an accuracy beyond the standard quantum limit. We identify the position and momentum observables for bright optical...
Continuous-Variable Spatial Entanglement for Bright Optical Beams (2005)
Hsu, Magnus T. L., Bowen, Warwick P., Treps, Nicolas, Lam, Ping Koy
A light beam is said to be position squeezed if its position can be determined to an accuracy beyond the standard quantum limit. We identify the position and momentum observables for bright optical...
Continuous Variable Quantum State Sharing via Quantum Disentanglement (2004)
Lance, Andrew M., Symul, Thomas, Bowen, Warwick P., Sanders, Barry C., Tyc, Tomas, Ralph, Timothy C., ...
Quantum state sharing is a protocol where perfect reconstruction of quantum states is achieved with incomplete or partial information in a multi-partite quantum networks. Quantum state sharing allows...
Electro-Optic Modulator Capable of Generating Simultaneous Amplitude and Phase Modulations (2004)
Cusack, Benedict J., Sheard, Benjamin S., Shaddock, Daniel A., Gray, Malcolm B., Lam, Ping Koy, Whitcomb, Stan E.
We report on the analysis and prototype characterization of a dual-electrode electro-optic modulator that can generate both amplitude and phase modulations with a selectable relative phase, termed a...
Optimum Small Optical Beam Displacement Measurement (2004)
Hsu, Magnus T. L., Delaubert, Vincent, Lam, Ping Koy, Bowen, Warwick
We derive the quantum noise limit for the optical beam displacement of a TEM00 mode. Using a multimodal analysis, we show that the conventional split detection scheme for measuring beam displacement...
Quantum Cryptography without Switching (2004)
Weedbrook, Christian, Lance, Andrew M., Bowen, Warwick P., Symul, Thomas, Ralph, Timothy C., Lam, Ping Koy
We propose a new coherent state quantum key distribution protocol that eliminates the need to randomly switch between measurement bases. This protocol provides significantly higher secret key rates...
Squeezed light at sideband frequencies below 100 kHz from a single OPA (2004)
Schnabel, Roman, Vahlbruch, Henning, Franzen, Alexander, Chelkowski, Simon, Grosse, Nicolai B., Bachor, Hans-A., ...
Quantum noise of the electromagnetic field is one of the limiting noise sources in interferometric gravitational wave detectors. Shifting the spectrum of squeezed vacuum states downwards into the...
Tripartite Quantum State Sharing (2004)
Lance, Andrew M., Symul, Thomas, Bowen, Warwick P., Sanders, Barry C., Lam, Ping Koy
We demonstrate a multipartite protocol to securely distribute and reconstruct a quantum state. A secret quantum state is encoded into a tripartite entangled state and distributed to three players. By...
Tripartite Quantum State Sharing (2004)
Lance, Andrew M., Symul, Thomas, Bowen, Warwick P., Sanders, Barry C., Lam, Ping Koy
We demonstrate a multipartite protocol to securely distribute and reconstruct a quantum state. A secret quantum state is encoded into a tripartite entangled state and distributed to three players. By...
Tripartite Quantum State Sharing (2003)
Lance, Andrew M., Symul, Thomas, Bowen, Warwick P., Sanders, Barry C., Lam, Ping Koy
We demonstrate a multipartite protocol to securely distribute and reconstruct a quantum state. A secret quantum state is encoded into a tripartite entangled state and distributed to three players....
Cusack, Benedict J, Sheard, Benjamin S, Shaddock, Daniel A, Gray, Malcolm B, Lam, Ping Koy, Whitcomb, Stan E
We report on the analysis and prototype-characterization of a dual-electrode electro-optic modulator that can generate both amplitude and phase modulations with a selectable relative phase, termed a...
Continuous variable polarization entanglement, experiment and analysis (2003)
Bowen, Warwick P., Treps, Nicolas, Schnabel, Roman, Ralph, Timothy C., Lam, Ping Koy
We generate and characterise continuous variable polarization entanglement between two optical beams. We first produce quadrature entanglement, and by performing local operations we transform it into...
Stokes-operator-squeezed continuous-variable polarization states (2003)
Schnabel,Roman, Bowen,Warwick P., Treps,Nicolas, Ralph,Timothy C., Bachor,Hans-A., Lam,Ping Koy
We investigate nonclassical Stokes-operator variances in continuous-wave polarization-squeezed laser light generated from one and two optical parametric amplifiers. A general expression of how...
Optical experiments beyond the quantum limit: squeezing, entanglement and teleportation (2003)
Schnabel,Roman, Bowen,Warwick P., Treps,Nicolas, Ralph,Timothy C., Bachor,Hans-A., Lam,Ping Koy, ...
Stokes-operator-squeezed continuous-variable polarization states (2003)
Schnabel, Roman, Bowen, Warwick P., Treps, Nicolas, Ralph, Timothy C., Bachor, Hans-A., Lam, Ping Koy
We investigate nonclassical Stokes-operator variances in continuous-wave polarization-squeezed laser light generated from one and two optical parametric amplifiers. A general expression of how...
Optical experiments beyond the quantum limit: squeezing, entanglement and teleportation (2003)
Schnabel, Roman, Bowen, Warwick P., Treps, Nicolas, Ralph, Timothy C., Bachor, Hans-A., Lam, Ping Koy, ...
Continuous variable (2,3) threshold quantum secret sharing schemes (2003)
Lance, Andrew M., Symul, Thomas, Bowen, Warwick P., Tyc, Tomas, Sanders, Barry C., Lam, Ping Koy
We present two schemes to perform continuous variable (2, 3) threshold quantum secret sharing (QSS) on the quadrature amplitudes of bright light beams. Both schemes require a pair of entangled light...
Continuous variable (2,3) threshold quantum secret sharing schemes (2003)
Lance, Andrew M., Symul, Thomas, Bowen, Warwick P., Tyc, Tomas, Sanders, Barry C., Lam, Ping Koy
We present two schemes to perform continuous variable (2, 3) threshold quantum secret sharing (QSS) on the quadrature amplitudes of bright light beams. Both schemes require a pair of entangled light...
Continuous variable (2,3) threshold quantum secret sharing schemes (2003)
Lance, Andrew M, Symul, Thomas, Bowen, Warwick P, Tyc, Tomás, Sanders, Barry C, Lam, Ping Koy
We present two schemes to perform continuous variable (2, 3) threshold quantum secret sharing (QSS) on the quadrature amplitudes of bright light beams. Both schemes require a pair of entangled light...
Stokes operator squeezed continuous variable polarization states (2002)
Schnabel, Roman, Bowen, Warwick P., Treps, Nicolas, Ralph, Timothy C., Bachor, Hans-A., Lam, Ping Koy
We investigate quantum correlations in continuous wave polarization squeezed laser light generated from one and two optical parametric amplifiers, respectively. A general expression of how Stokes...
Experimental investigation of continuous variable quantum teleportation (2002)
Bowen, Warwick P., Treps, Nicolas, Buchler, Ben C., Schnabel, Roman, Ralph, Timothy C., Bachor, Hans -A., ...
We report the experimental demonstration of quantum teleportation of the quadrature amplitudes of a light field. Our experiment was stably locked for long periods, and was analyzed in terms of...
Experimental demonstration of continuous variable polarization entanglement (2002)
Bowen, Warwick P., Treps, Nicolas, Schnabel, Roman, Lam, Ping Koy
We report the experimental transformation of quadrature entanglement between two optical beams into continuous variable polarization entanglement. We extend the inseparability criterion proposed by...
McKenzie, Kirk, Buchler, Ben C., Shaddock, Daniel A., Lam, Ping Koy, McClelland, David E.
Interferometric gravitational wave detectors are expected to be limited by shot noise at some frequencies. We experimentally demonstrate that a power recycled Michelson with squeezed light injected...
Polarization Squeezing of Continuous Variable Stokes Parameters (2001)
Bowen, Warwick P., Schnabel, Roman, Bachor, Hans -A., Lam, Ping Koy
We report the first direct experimental characterization of continuous variable quantum Stokes parameters. We generate a continuous wave light beam with more than 3 dB of simultaneous squeezing in...
Kerr Noise Reduction and Squeezing (2000)
White, Andrew G., Lam, Ping Koy, McClelland, David E, Bachor, Hans-A, Munro, William J.
We introduce a model of squeezing and noise reduction in the Kerr effect that accounts for noise in all quadratures of the driving field. Consequently we show that Kerr squeezing is much more...
Kerr Noise Reduction and Squeezing (2000)
White, Andrew G., Lam, Ping Koy, McClelland, David E, Bachor, Hans-A, Munro, William J.
We introduce a model of squeezing and noise reduction in the Kerr effect that accounts for noise in all quadratures of the driving field. Consequently we show that Kerr squeezing is much more...
Kerr Noise Reduction and Squeezing (2000)
Andrew G White, Ping Koy Lam, David E McClelland, Hans-A Bachor, William J Munro
. We introduce a model of squeezing and noise reduction in the Kerr effect that accounts for noise in all quadratures of the driving field. Consequently we show that Kerr squeezing is much more...
Applications of quantum electro-optic control and squeezed light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of quantum electro-optic control and squeezed light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Applications of Quantum Electro-Optic Control and Squeezed Light (1999)
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...
Squeezed light at sideband frequencies below 100 kHz from a single OPA
Schnabel,Roman, Vahlbruch,Henning, Franzen,Alexander, Chelkowski,Simon, Grosse,Nicolai, ...
Quantum noise of the electromagnetic field is one of the limiting noise sources in interferometric gravitational wave detectors. Shifting the spectrum of squeezed vacuum states downwards into the...
Applications of Quantum Electro-Optic Control and Squeezed Light
In this thesis, we report the observations of optical squeezing from second harmonic generation (SHG), optical parametric oscillation (OPO) and optical parametric amplification (OPA). Demonstrations...