Anomalous Stimulated Brillouin Scattering via Ultraslow Light

Matsko, Andrey B.; Yv, Rostovtsev; Fleischhauer, Michael; Mo, Scully

doi:10.1103/physrevlett.86.2006

Cited by 62 publications

(49 citation statements)

References 19 publications

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“…For example, the applied coherent fields can eliminate absorption, enhance the index of refraction [8][9][10], induce chirality in nonchiral media [11], produce usually forbidden forward Brillouin scattering or strong coherent backward scattering in ultradispersive resonant media [12,13], slow down or speed up light pulses [14][15][16], provide the optical imaging beyond diffraction limit [17], and the optical analog of Stern-Gerlach experiment [18]. Optically controlled giant nonlinearities may generate nonlinear signals using single photons [19,20].…”

Section: Introductionmentioning

confidence: 99%

Ultradispersive adaptive prism based on a coherently prepared atomic medium

Sautenkov

Rostovtsev

et al. 2010

Phys. Rev. A

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We have experimentally demonstrated an ultra-dispersive optical prism made from a coherently driven Rb atomic vapor. The prism possesses spectral angular dispersion that is 6 orders of magnitude higher than that of a prism made of optical glass; such angular dispersion allows one to spatially resolve light beams with different frequencies separated by a few kilohertz. The prism operates near the resonant frequency of atomic vapor and its dispersion is optically controlled by a coherent driving field.

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Section: Introductionmentioning

confidence: 99%

Ultradispersive adaptive prism based on a coherently prepared atomic medium

Sautenkov

Rostovtsev

et al. 2010

Phys. Rev. A

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“…EIT is the basis of several applications, such as slow light [2], information transfer between matter and light [3,4], sound wave generation [5], and even a proposed testing of black-hole physics [6]. Several recent reviews [7] elucidated the quantum mechanical mechanism of EIT, which relies on the destructive interference between several pathways which connect the ground and excited states of the atom.…”

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confidence: 99%

Transparency of Magnetized Plasma at Cyclotron Frequency

Shvets¹,

Wurtele²

2002

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“…EIT is the basis of several very important applications, such as slow light [3], information transfer between matter and light [4,5], sound wave generation [6], or even testing of the black-hole physics [7]. Several recent reviews [2] illucidated the quantum mechanical mechanism of EIT which relies on the destructive interference between several pathways which connect the ground and excited states of the atom.…”

mentioning

confidence: 99%

Transparency of Magnetized Plasma at the Cyclotron Frequency

Shvets

Wurtele

2002

Phys. Rev. Lett.

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Electromagnetic radiation is strongly absorbed by the magnetized plasma if its frequency equals the cyclotron frequency of plasma electrons. It is demonstrated that absorption can be completely canceled in the presence of a second radiation beam, or even a magnetostatic field of an undulator, resulting in plasma transparency at the cyclotron frequency. This effect is reminiscent of the electromagnetically-induced transparency (EIT) of the three-level atomic systems, except that it occurs in a completely classical plasma. Also, because of the complexity of the classical plasma, index of refraction at cyclotron frequency differs from unity. Potential applications of the EIT in plasma include selective plasma heating, electromagnetic control of the index of refraction, and electron/ion acceleration.Electromagnetically induced transparency (EIT) in quantum-mechanical atomic systems is a well understood and thoroughly studied [1] subject. EIT is the basis of several very important applications, such as slow light [3], information transfer between matter and light [4,5], sound wave generation [6], or even testing of the black-hole physics [7]. Several recent reviews [2] illucidated the quantum mechanical mechanism of EIT which relies on the destructive interference between several pathways which connect the ground and excited states of the atom. The purpose of this Letter is to describe EIT in a classical plasma.We consider an externally magnetized plasma with B = B 0 e z and density n 0 . A right-hand polarized electromagnetic wave (which we refer to as the probe) at the frequency ω 1 equal to cyclotron frequency Ω 0 = eB 0 /mc cannot propagate in the plasma because it undergoes resonant cyclotron absorption [8]. The cold magnetized plasma dispersion relation ω 1 v. s.k 1 for the righthand polarized probe, plotted in Fig. 1, is given by. Plasma current and the wavenumber k 1 become infinite for ω 1 → Ω 0 , and a forbidden bandgap develops between Ω 0 and Ω c = Ω 2 0 /4 + ω 2 p + Ω 0 /2, where ω p = (4πe 2 n 0 /m) 1/2 is the plasma frequency. This Letter demonstrates that by adding a second intense electromagnetic wave (pump) with frequency ω 0 = Ω 0 − ω p create a transparency near the cyclotron frequency. Moreover, if ω p = Ω c , transparency can be created by a magnetostatic undulator with arbitrary wavenumber k 0 .The classical mechanism of the electromagnetically induced transparency is the destructive interference between the electric field of the probe E 1⊥ and the sidebands of the electric E 0⊥ and magnetic B 0⊥ fields of the pump which are produced by the collective electron plasma oscillation with frequency ω p along the magnetic field. Qualitatively, the total force at the cyclotron frequency experienced by a plasma electron is given by, where ζ z is the electron displacement in the plasma wave. If the pump, probe, and plasma waves are properly phased, then Therefore, if the amplitudes and phases of the pump and the plasma wave are properly correlated, then F tot = 0. Consequently, the plasma current at the...

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Anomalous Stimulated Brillouin Scattering via Ultraslow Light

Cited by 62 publications

References 19 publications

Ultradispersive adaptive prism based on a coherently prepared atomic medium

Ultradispersive adaptive prism based on a coherently prepared atomic medium

Transparency of Magnetized Plasma at Cyclotron Frequency

Transparency of Magnetized Plasma at the Cyclotron Frequency

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