Lasing without inversion in double quantum wells controlled by a dc field

被引:66
作者
Zhao, Y
Huang, DH
Wu, CK
机构
[1] Dept. of Elec. and Comp. Engineering, Wayne State University, Detroit
[2] Phillips Laboratories, PL/VTRP, Building 426, Kirtland Air Force Base, NM 87117
关键词
D O I
10.1364/JOSAB.13.001614
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present what is to our knowledge the first result for de-field-induced lasing without inversion in double quantum wells including quantum coherence and interference. A three-subband system with two lower tunneling-split subbands coupled by the de field is studied. The important role of the de field in realizing lasing without inversion is demonstrated. The Coulomb renormalization of electron energy is considered. The many-body theory is employed to include the screening and excitonic shifts. (C) 1996 Optical Society of America
引用
收藏
页码:1614 / 1618
页数:5
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