Electromagnetically induced transparency controlled by a microwave field (2009)
Li, Hebin, Sautenkov, Vladimir A., Rostovtsev, Yuri V., Welch, George R., Hemmer, Philip R., Scully, Marlan O.
We have experimentally studied propagation of two optical fields in a dense rubidium (Rb) vapor in the case when an additional microwave field is coupled to the hyperfine levels of Rb atoms. The Rb...
Vapor pressure dependence of spectral width of EIT in Lambda-level cesium molecular system (2009)
Chen, Hui, Li, Hebin, Rostovtsev, Yuri V., Gubin, Mikhail A., Sautenkov, Vladimir A., Scully, Marlan O.
We have studied electromagnetically induced transparency (EIT) in diatomic cesium molecules in a vapor cell by using tunable diode lasers. We have observed a sub-natural Lambda-resonance in an...
"Dark" vs "Bright" Excitons in Carbon Nanotubes: Applications to Quantum Optics (2009)
Kalugin, Nikolai G., Rostovtsev, Yuri V.
It is strong Coulomb effects in carbon nanotubes that lead to formation of the so-called "bright" and "dark" (forbidden one-photon optical transition) exciton states, and dramatically decrease the...
Excitation dependence of resonance line self-broadening at different atomic densities (2008)
Li, Hebin, Sautenkov, Vladimir A., Rostovtsev, Yuri V., Scully, Marlan O.
We study the dipole-dipole spectral broadening of a resonance line at high atomic densities when the self-broadening dominates. The selective reflection spectrum of a weak probe beam from the...
Observation of narrow Autler-Townes components in the resonant response of a dense atomic gas (2008)
Sautenkov, Vladimir A., Rostovtsev, Yuri V., Eliel, Eric R.
We have experimentally studied the reflection of a weak probe beam from a dense atomic potassium vapor in the presence of a strong laser field tuned to the atomic resonance transition. We have...
Atomic noise spectra in nonlinear magneto-optical rotation in a rubidium vapor (2008)
Li, Hebin, Sautenkov, Vladimir A., Varzhapetyan, Tigran S., Rostovtsev, Yuri V., Scully, Marlan O.
We have studied the noise spectra in a nonlinear magneto-optical rotation experiment in a rubidium vapor. We observed the reduction of noise in the intensity difference of two orthogonally polarized...
Intensity correlations in resonance nonlinear magneto-optical rotation (2008)
Varzhapetyan, Tigran S., Li, Hebin, Ariunbold, Gombojav O., Sautenkov, Vladimir A., Rostovtsev, Yuri V., Scully, Marlan O.
We have studied the intensity correlations between two orthogonally linearly polarized components of a laser field propagating through a resonant atomic medium. These experiments have been performed...
Optical imaging beyond the diffraction limit via dark states (2008)
Li, Hebin, Sautenkov, Vladimir A., Kash, Michael M., Sokolov, Alexei V., Welch, George R., Rostovtsev, Yuri V., ...
We study the possibility of creating spatial patterns having subwavelength size by using the so-called dark states formed by the interaction between atoms and optical fields. These optical fields...
Ultra-dispersive adaptive prism (2007)
Sautenkov, Vladimir A., Li, Hebin, Rostovtsev, Yuri V., Scully, Marlan O.
We have experimentally demonstrated an ultra-dispersive optical prism made from coherently driven Rb atomic vapor. The prism possesses spectral angular dispersion that is six orders of magnitude...
Electromagnetically induced coherent backscattering (2006)
Rostovtsev, Yuri V., Sariyanni, Zoe-Elizabeth, Scully, Marlan O.
We demonstrate a strong coherent backward wave oscillation using forward propagating fields only. This is achieved by applying laser fields to an ultra-dispersive medium with proper chosen detunings...
Intensity correlation and anticorrelations in coherently prepared atomic vapor (2006)
Ariunbold, Gombojav O., Sautenkov, Vladimir A., Rostovtsev, Yuri V., Scully, Marlan O.
Motivated by the recent experiment [V.A. Sautenkov, Yu.V. Rostovtsev, and M.O. Scully, Phys. Rev. A 72, 065801 (2005)], we develop a theoretical model in which the field intensity fluctuations...
Kalugin, Nikolai G., Rostovtsev, Yuri V., Scully, Marlan O.
We show that coherently driven atomic or molecular media potentially yield strong controllable short pulses of THz radiation. The method is based on excitation of maximal quantum coherence in a gas...
Femtosecond CARS of methanol-water mixtures (2006)
Pestov,Dmitry, Zhi,Miaochan, Sariyanni,Zoe-Elisabeth, Kalugin,Nikolai G., Kolomenskii,Alexander, Murawski,Robert, ...
Femtosecond CARS of methanol-water mixtures (2006)
Pestov, Dmitry, Zhi, Miaochan, Sariyanni, Zoe-Elisabeth, Kalugin, Nikolai G., Kolomenskii, Alexander, Murawski, Robert, ...
Visible and UV coherent Raman spectroscopy of dipicolinic acid (2005)
Pestov,Dmitry, Zhi,Miaochan, Sariyanni,Zoe-Elisabeth, Kalugin,Nikolai G., Kolomenskii,Alexandre A., Murawski,Robert, ...
From EIT photon correlations to Raman anti-correlations in coherently prepared Rb vapor (2005)
Sautenkov, Vladimir A., Rostovtsev, Yuri V., Scully, Marlan O.
We have experimentally observed switching between photon-photon correlations (bunching) and anti-correlations (anti-bunching) between two orthogonally polarized laser beams in an EIT configuration in...
Spectral Narrowing via Quantum Coherence (2005)
Mikhailov, Eugeniy E., Sautenkov, Vladimir A., Rostovtsev, Yuri V., Zhang, Aihua, Zubairy, M. Suhail, Scully, Marlan O., ...
We have studied the transmission of an optically thick Rb vapor that is illuminated by monochromatic and noise broaden laser fields in Lambda configuration. The spectral width of the beat signal...
Visible and UV coherent Raman spectroscopy of dipicolinic acid (2005)
Pestov, Dmitry, Zhi, Miaochan, Sariyanni, Zoe-Elisabeth, Kalugin, Nikolai G., Kolomenskii, Alexandre A., Murawski, Robert, ...
Das, Kunal K., Rostovtsev, Yuri V., Lehmann, Kevin, Scully, Marlan O.
We develop a simple thermodynamic model to describe the heat transfer mechanisms and generation of acoustic waves in photoacoustic Raman spectroscopy by small particulate suspensions in a gas. Using...
Buffer-gas induced absorption resonances in Rb vapor (2003)
Mikhailov, Eugeniy E., Novikova, Irina, Rostovtsev, Yuri V., Welch, George R.
We observe transformation of the electromagnetically induced transparency (EIT) resonance into the absorption resonance in a $\Lambda$ interaction configuration in a cell filled with $^{87}$Rb and a...
Group velocity study in hot Rb vapor with buffer gas (2003)
Mikhailov, Eugeniy E., Rostovtsev, Yuri V., Welch, George R.
We study the behavior of the group velocity of light under conditions of electromagnetically induced transparency (EIT) in a Doppler broadened medium. Specifically, we show how the group delay (or...
Absorption resonance and large negative delay in Rb vapor with buffer gas (2003)
Mikhailov, Eugeniy E., Sautenkov, Vladimir A., Rostovtsev, Yuri V., Welch, George R.
We observe a narrow, isolated, two-photon absorption resonance in Rb for large one-photon detuning in the presence of a buffer gas. In the absence of buffer gas, a standard Lambda configuration of...
Rostovtsev, Yuri V., Kurizki, Gershon, Scully, Marlan O.
We propose experimentally simplified schemes of an optically dispersive interface region between two coupled free electron lasers (FELs), aimed at achieving a much broader gain bandwidth than in a...
Visible and UV coherent Raman spectroscopy of dipicolinic acid
Pestov, Dmitry, Zhi, Miaochan, Sariyanni, Zoe-Elizabeth, Kalugin, Nikolai G., Kolomenskii, Alexandre A., Murawski, Robert, ...
We use time-resolved coherent Raman spectroscopy to obtain molecule-specific signals from dipicolinic acid (DPA), which is a marker molecule for bacterial spores. We use femtosecond laser pulses in...
Visible and UV coherent Raman spectroscopy of dipicolinic acid
Pestov, Dmitry, Zhi, Miaochan, Sariyanni, Zoe-Elizabeth, Kalugin, Nikolai G., Kolomenskii, Alexandre A., Murawski, Robert, ...
We use time-resolved coherent Raman spectroscopy to obtain molecule-specific signals from dipicolinic acid (DPA), which is a marker molecule for bacterial spores. We use femtosecond laser pulses in...