Optical absorption and nonlinear mixing of near-infrared and terahertz wave in quantum wells

被引:0
|
作者
Zhang, Tong-Yi [1 ]
Zhao, Wei [1 ]
机构
[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, 322 W Youyi Rd, Xian 710068, Peoples R China
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Linear optical absorption and terahertz (THz) sideband generation in quantum wells in the presence of a strong growth-direction oriented THz electric field is investigated. It is shown that the THz field can couple more than two levels simultaneously. The absorption spectra show a rich variety of behavior, including THz replicas of the 2 p exciton and THz sideband of the Is exciton. The THz electric field results in multiple optical absorption peaks due to resonant coupling between the valence subbands and produces splittings in the generated sidebands.
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页码:560 / 560
页数:1
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