Transparency induced by the quantum interference of a six-level atom in photonic crystals with defect modes

被引：10
|
作者：
Xu, Xun-Wei [1 ]
Liu, Nian-Hua [1 ,2 ]
机构：
[1] Nanchang Univ, Dept Phys, Nanchang 330031, Peoples R China
[2] Nanchang Univ, Inst Adv Study, Nanchang 330031, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2010年 / 283卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Quantum interference; Electromagnetically induced transparency; Defect modes of photonic crystals; SPONTANEOUS EMISSION; COHERENT CONTROL; ABSORPTION; INVERSION;
D O I：
10.1016/j.optcom.2009.11.017
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The absorption-dispersion spectra of a six-level atom embedded in double-band photonic crystals are investigated. It is shown that if there is no defect mode in the photonic band gap, there are three types of transparency windows appear in the absorption-dispersion spectra. If a defect mode is introduced into the photonic band gap, we found some additional transparency windows in the absorption-dispersion spectra. One type of them appears as long as the defect mode exists, but the others appear only when the quantum interference occurs. The transparency windows can be changed by varying the parameters of the defect mode. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1032 / 1038
页数：7
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