期刊
OPTICS COMMUNICATIONS
卷 318, 期 -, 页码 120-127出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2013.12.031
关键词
Atomic coherence; Amplitude modulation; Phase modulation; Multi-wave mixing processes
类别
资金
- National Scientific Foundation China [11174109]
- State Scholarship Fund from China Scholarship Council
Atomic coherence effects with a strong standing-wave coupling field on a four-level system of hot Rb atoms are investigated. Amplitude modulation and phase modulation of the strong standing-wave field are coherently coupled in linear and nonlinear atomic polarizations in various multi-wave mixing processes. Such coupled atomic coherence effect leads to one-photon triple-bandpass filters in an electromagnetically induced transparency structure and two-photon bandgaps at two different wavelengths under two-photon resonance in the hot four-level Rb atoms. Such system can be useful for dispersion compensation in multi-channel WDM systems, all-optical switching and optical filters at multiple wavelengths. (C) 2013 Elsevier B.V. All rights reserved.
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