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We investigate optical bistability in a multilayer one-dimensional photonic crystal where the central layer is doped with $\Lambda$-type three level atoms. We take into account the influence of spontaneously generated coherence when the…

Quantum Physics · Physics 2015-06-17 Shahnaz Aas , Özgür E. Müstecaplioğlu

We have experimentally demonstrated the enhancement of coherent Raman scattering in Rb atomic vapor by exciting atomic coherence with fractional stimulated Raman adiabatic passage. Experimental results are in good agreement with numerical…

Quantum Physics · Physics 2009-11-10 V. A. Sautenkov , C. Y. Ye , Y. V. Rostovtsev , G. R. Welch , M. O. Scully

Optical response of an artificial composite nano-dimer comprising a semiconductor quantum dot and a metal nanosphere is analyzed theoretically. We show that internal degrees of freedom of the system can manifest bistability and optical…

Materials Science · Physics 2011-07-27 A. V. Malyshev , V. A. Malyshev

We observe and characterize intrinsic optical bistability in a dilute Rydberg vapor. The bistability is characterized by sharp jumps between states of low and high Rydberg occupancy with jump up and down positions displaying hysteresis…

We theoretically investigate the optical bistability phenomenon in an ensemble of $N$ non-interacting three-level atoms trapped inside an optical cavity. The atoms are in a $\Lambda$-level configuration, where one atomic transition is…

Quantum Physics · Physics 2022-01-21 M. H. Oliveira , H. S. Borges , J. A. Souza , C. J. Villas-Boas

We explore the emergence and active control of optical bistability in a two-level atom near a graphene sheet. Our theory incorporates self-interaction of the optically-driven atom and its coupling to electromagnetic vacuum modes, both of…

Quantum Physics · Physics 2023-01-24 Mikkel Have Eriksen , Jakob E. Olsen , Christian Wolff , Joel D. Cox

We present the first experimental evidence of stimulated Raman re-scattering of a laser in plasma: The scattered light produced by the Raman instability is intense enough to scatter again through the same instability. Although never…

Plasma Physics · Physics 2025-05-06 J. -R. Marquès , F. Pérez , P. Loiseau , L. Lancia , C. Briand , S. Depierreux , M. Grech , C. Riconda

We present a scheme to obtain the coherently enhanced Raman scattering in atomic vapor which is induced by a spin wave initially written by a weak write laser. The enhancement of Raman scattering is dependent on the number and the spatial…

Quantum Physics · Physics 2015-05-19 Chun-Hua Yuan , L. Q. Chen , Jietai Jing , Z. Y. Ou , Weiping Zhang

We present novel hysteretic behaviour of a three-level ladder atomic system exhibiting double-cavity optical bistability in the mean-field limit. The two fields coupling the atomic system experience feedback via two independent,…

Optics · Physics 2011-04-18 H. Aswath Babu , Harshawardhan Wanare

We report on the first observation of stimulated Raman scattering from a Lambda-type three-level atom, where the stimulation is realized by the vacuum field of a high-finesse optical cavity. The scheme produces one intracavity photon by…

Quantum Physics · Physics 2009-11-06 M. Hennrich , T. Legero , A. Kuhn , G. Rempe

We theoretically propose a method to enhance Raman scattering by injecting a seeded light field which is correlated with the initially prepared atomic spin wave. Such a light-atom correlation leads to an interference in the Raman…

Quantum Physics · Physics 2013-05-29 Chun-Hua Yuan , L. Q. Chen , Z. Y. Ou , Weiping Zhang

Radio frequency antennas based on highly excited Rydberg atom vapors can in principle reach sensitivities beyond those of any conventional wire antenna, especially at lower frequencies where very long wires are needed to accommodate the…

Atomic Physics · Physics 2025-03-17 Peter B. Weichman

We give a microscopic description of the optical bistability, where the transmission coefficient has two different values as a function of input light intensity, and the system exhibits a discontinuous jump with a hysteresis loop. We…

Statistical Mechanics · Physics 2018-10-10 Tatsuhiko Shirai , Synge Todo , Hans de Raedt , Seiji Miyashita

Resonant light interacting with matter can support different phases of a polarizable medium, and optical bistability where two such phases coexist. Here we identify signatures of optical phase transitions and optical bistability mapped onto…

Atomic Physics · Physics 2020-11-10 C. D. Parmee , J. Ruostekoski

Scattering of resonant radiation in a dense two-level medium is studied theoretically with account for local field effects and renormalization of the resonance frequency. Intrinsic optical bistability is viewed as switching between…

Quantum Physics · Physics 2015-05-20 M. G. Gladush , D. V. Kuznetsov , A. A. Panteleev , Vl. K. Roerich

We introduce a scheme for creating continuous variable entanglement between an atomic beam and an optical field, by using squeezed light to outcouple atoms from a BEC via a Raman transition. We model the full multimode dynamics of the atom…

Quantum Physics · Physics 2009-11-13 S. A. Haine , M. K. Olsen , J. J. Hope

The Raman effect -- inelastic scattering of light by lattice vibrations (phonons) -- produces an optical response closely tied to a material's crystal structure. Here we show that resonant optical excitation of IR and Raman phonons gives…

Materials Science · Physics 2021-07-07 Guru Khalsa , Nicole A. Benedek , Jeffrey Moses

We report the observation of optical bistability in a microcavity pumped at the "magic angle". Experimental evidence is given in the form of a hysteresis cycle of the nonlinear emission as a function of the pump intensity or the position of…

Strongly Correlated Electrons · Physics 2013-10-03 A. Baas , J. -Ph. Karr , M. Romanelli , A. Bramati , E. Giacobino

Stokes Raman scattering is known to be a particularly robust nonlinearity, occurring in virtually every material, with spectra defined by the material and strengths dependent on the material as well as light intensities. This ubiquity has…

Optics · Physics 2021-08-10 Xiao Liu , Zelin Ma , Aku Antikainen , Siddharth Ramachandran

High-gain resonant nonlinear Raman scattering on trapped cold atoms within a high-fineness ring optical cavity is simply explained under a nonlinear opto-mechanical mechanism, and a proposal using it to detect frequency of micro-trap on…

Atomic Physics · Physics 2014-03-24 Lin Zhang
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