Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

arXiv:1001.0291 · Applied Physics Letters

Triply-resonant optical parametric oscillator by four-wave mixing with rubidium vapor inside an optical cavity

Xudong Yu, Min Xiao, Jing Zhang

Published Jan 25, 2010• 10 citations
arXivHTMLPDF

Abstract

We present an experimental demonstration of simultaneous above-threshold oscillations of the Stokes and anti-Stokes fields together with the single pumping beam with rubidium atoms inside an optical standing-wave cavity. The triple resonant conditions can be achieved easily by making use of the large dispersions due to two-photon transitions in the three-level atomic system. This work provides a way to achieve high efficient nonlinear frequency conversion and the generated bright Stokes and anti-Stokes cavity output beams are potential resource for applications in quantum information science.

DOI
10.1063/1.3295694

Related papers

Bright correlated twin beams from an atomic ensemble in the optical cavity

Haibin Wu, Min Xiao

We investigate the generation of bright correlated anti-Stokes and Stokes light beams with Doppler-broadened four-level atoms inside an optical ring cavity. By manipulating the large dispersion of the intracavity atomic medium near the electromagnetically induced transparency condition, the generated anti-Stokes and Stokes light fields can be made simultaneously on resonance with the cavity and to oscillate above threshold with narrowed linewidths. Noise correlation and violation of the Cauchy-Schwarz inequality with the two generated twin beams above the oscillation threshold at zero time delay are experimentally demonstrated.

Physical Review A•Dec 7, 2009•36 citations

Mirrorless Optical Parametric Oscillation with Tunable Threshold in Cold Atoms

Yefeng Mei, Xianxin Guo, Luwei Zhao +1 more

We report the demonstration of a mirrorless optical parametric oscillator with a tunable threshold in laser-cooled atoms with four-wave mixing (FWM) using electromagnetically induced transparency. Driven by two classical laser beams, the generated Stokes and anti-Stokes fields counterpropagate and build up efficient intrinsic feedback through the nonlinear FWM process. This feedback does not involve any cavity or spatially distributed microstructures. We observe the transition of photon correlation properties from the biphoton quantum regime (below the threshold) to the oscillation regime (above the threshold). The pump threshold can be tuned by varying the operating parameters. We achieve the oscillation with a threshold as low as 15 μW.

Physical Review Letters•Oct 13, 2017•10 citations

Noise correlations in a doubly-resonant atomic optical parametric oscillator

Jiteng Sheng, Haibin Wu, Xihua Yang +2 more

The simultaneous generations of bright Stokes and anti-Stokes fields are realized by using only one pump field in a Doppler-broadened atomic medium confined in an optical ring cavity. A vacuum-induced absorption phenomenon is also observed in such a system. By utilizing an external Fabry-Perot cavity to separate the Stokes and anti-Stokes fields, we investigate the noise correlation and anticorrelation properties between the Stokes, anti-Stokes, and the pump fields.

Optics Letters•May 9, 2012•9 citations

Mirrorless optical parametric oscillator inside an all-optical waveguide

Sushree S. Sahoo, Snigdha Sarita Pati, Ashok Kumar Mohapatra

Mirrorless optical parametric oscillator (MOPO) is a consequence of intrinsic feedback provided by the nonlinearity in a medium due to the interaction of a pair of strong counterpropagating fields. As the name suggests, the device does not require a cavity for lasing other than the nonlinear medium. Here we report the demonstration of MOPO under the effect of an all-optical waveguide. The efficient four-wave mixing process due to counterpropagating pump and control fields interacting with a multilevel atomic system facilitates the generation of mirrorless Stokes and anti-Stokes fields counterpropagating to each other. The maximum generated laser power could rise up to mW with pump conversion efficiency more than 30%. Furthermore, the cross-phase modulation due to the strong fields creates all-optical waveguides for the generated fields and hence induces correlated spatial modes in the Stokes and the anti-Stokes fields.

arXiv:1804.04887•Physical Review A•Dec 26, 2018•3 citations

Resonant Cascaded Down-Conversion

Christian Weedbrook, Ben Perrett, Karen V. Kheruntsyan +3 more

We analyze an optical parametric oscillator (OPO) in which cascaded down-conversion occurs inside a cavity resonant for all modes but the initial pump. Due to the resonant cascade design, the OPO present two χ^2 level oscillation thresholds that are therefore remarkably lower than for a χ^3 OPO. This is promising for reaching the regime of an effective third-order nonlinearity well above both thresholds. Such a χ^2 cascaded device also has potential applications in frequency conversion to far infra-red regimes. But, most importantly, it can generate novel multi-partite quantum correlations in the output radiation, which represent a step beyond squeezed or entangled light. The output can be highly non-Gaussian, and therefore not describable by any semi-classical model.

arXiv:0812.4749•Dec 27, 2008•0 citations

Four-wave parametric oscillation in sodium vapor by electromagnetically induced diffraction

Ken-ichi Harada, Minoru Ogata, Masaharu Mitsunaga

We have observed a novel type of parametric oscillation in sodium atomic vapor where four off-axis signal waves simultaneously build up under resonant and counterpropagating pump beams with elliptical beam profiles. The four waves, two of them Stokes shifted and the other two anti-Stokes shifted, have similar output powers of up to 10 mW with a conversion efficiency of 30% and are parametrically coupled by electromagnetically induced diffraction.

Optics Letters•Apr 3, 2007•13 citations
We present an experimental demonstration of simultaneous above-threshold oscillations of the Stokes and anti-Stokes fields together with the single pumping beam with rubidium atoms inside an optical standing-wave cavity. The triple resonant conditions can be achieved easily by making use of the large dispersions due to two-photon transitions in the three-level atomic system. This work provides a way to achieve high efficient nonlinear frequency conversion and the generated bright Stokes and anti-Stokes cavity output beams are potential resource for applications in quantum information science.
We investigate the generation of bright correlated anti-Stokes and Stokes light beams with Doppler-broadened four-level atoms inside an optical ring cavity. By manipulating the large dispersion of the intracavity atomic medium near the electromagnetically induced transparency condition, the generated anti-Stokes and Stokes light fields can be made simultaneously on resonance with the cavity and to oscillate above threshold with narrowed linewidths. Noise correlation and violation of the Cauchy-Schwarz inequality with the two generated twin beams above the oscillation threshold at zero time delay are experimentally demonstrated.
We report the demonstration of a mirrorless optical parametric oscillator with a tunable threshold in laser-cooled atoms with four-wave mixing (FWM) using electromagnetically induced transparency. Driven by two classical laser beams, the generated Stokes and anti-Stokes fields counterpropagate and build up efficient intrinsic feedback through the nonlinear FWM process. This feedback does not involve any cavity or spatially distributed microstructures. We observe the transition of photon correlation properties from the biphoton quantum regime (below the threshold) to the oscillation regime (above the threshold). The pump threshold can be tuned by varying the operating parameters. We achieve the oscillation with a threshold as low as 15 μW.
Mirrorless optical parametric oscillator (MOPO) is a consequence of intrinsic feedback provided by the nonlinearity in a medium due to the interaction of a pair of strong counterpropagating fields. As the name suggests, the device does not require a cavity for lasing other than the nonlinear medium. Here we report the demonstration of MOPO under the effect of an all-optical waveguide. The efficient four-wave mixing process due to counterpropagating pump and control fields interacting with a multilevel atomic system facilitates the generation of mirrorless Stokes and anti-Stokes fields counterpropagating to each other. The maximum generated laser power could rise up to mW with pump conversion efficiency more than 30%. Furthermore, the cross-phase modulation due to the strong fields creates all-optical waveguides for the generated fields and hence induces correlated spatial modes in the Stokes and the anti-Stokes fields.
We analyze an optical parametric oscillator (OPO) in which cascaded down-conversion occurs inside a cavity resonant for all modes but the initial pump. Due to the resonant cascade design, the OPO present two χ^2 level oscillation thresholds that are therefore remarkably lower than for a χ^3 OPO. This is promising for reaching the regime of an effective third-order nonlinearity well above both thresholds. Such a χ^2 cascaded device also has potential applications in frequency conversion to far infra-red regimes. But, most importantly, it can generate novel multi-partite quantum correlations in the output radiation, which represent a step beyond squeezed or entangled light. The output can be highly non-Gaussian, and therefore not describable by any semi-classical model.