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	Large cross-phase-modulation between two slow pulses by coupled double dark resonances
	Hou, B. P. ; Wei, L. F. ; Long, G. L. ; Wang, S. J.
	2010-10-12 ; 2010-10-12
关键词	atom-photon collisions Doppler broadening multiphoton processes nonlinear optical susceptibility optical double resonance optical pumping optical switches Q-switching quantum optics Raman lasers self-induced transparency self-phase modulation slow light ELECTROMAGNETICALLY INDUCED TRANSPARENCY QUANTUM INTERFERENCE ATOMS COHERENCE PHOTONS Optics Physics, Atomic, Molecular & Chemical
中文摘要	We present a scheme to realize a large cross-phase-modulation between two slow optical pulses by using the atomic configurations of coupled double dark resonances. In this scheme slow group velocities for these optical pulses can be automatically equalized in terms of the inherent symmetric atomic configuration, and the various absorptions can be overcome by using three-photon hyper-Raman amplification. Additionally, the switching between cross-type nonlinear amplification and absorption could be realized by just changing the sign of the difference between two pump detunings. This is useful for the implementations of all-optical switches. The linearity and cross nonlinearity in the Doppler-broadened medium with different laser propagating configurations have also been investigated.
语种	英语 ; 英语
出版者	AMER PHYSICAL SOC ; COLLEGE PK ; ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/81534]
专题	清华大学
推荐引用方式 GB/T 7714	Hou, B. P.,Wei, L. F.,Long, G. L.,et al. Large cross-phase-modulation between two slow pulses by coupled double dark resonances[J],2010, 2010.
APA	Hou, B. P.,Wei, L. F.,Long, G. L.,&Wang, S. J..(2010).Large cross-phase-modulation between two slow pulses by coupled double dark resonances..
MLA	Hou, B. P.,et al."Large cross-phase-modulation between two slow pulses by coupled double dark resonances".(2010).

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