NDLI: Dynamics of coupled ultraslow optical solitons in a coherent four-state double- ${\sf \Lambda}$ system

Content Provider	Springer Nature Link
Author	Li, H. J. Deng, L. Huang, G.
Copyright Year	2009
Abstract	We present a systematical investigation, both analytical and numerical, on the dynamics of two nearly lossless and distortion-free weak nonlinear optical pulses in a cold, lifetime-broadened four-state double-Λ system via electromagnetically induced transparency. Starting from the equations of motion of atomic response and probe fields, we give a detail derivation of two coupled nonlinear Schrödinger equations that control the nonlinear evolution of two probe field envelopes by means of a standard method of multiple-scales. We show that stable optical solitons with very slow propagating velocity can be generated under very low input light intensity when working in the transparency window of probe absorption spectrum induced by two continuous-wave control fields. We demonstrate that coupled optical soliton pairs are possible in the system through cross-phase modulational instability and mutual trapping effect of solitons. We provide various coupled optical soliton pair solutions explicitly and analyze their stability numerically.
Starting Page	99
Ending Page	109
Page Count	11
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	55
Issue Number	1
e-ISSN	14346079
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-08-15
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nonlinear Dynamics Spectroscopy/Spectrometry Quantum Information Technology, Spintronics Quantum Physics Physical Chemistry Atomic, Molecular, Optical and Plasma Physics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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