Tunneling-induced ultraslow bright and dark solitons in quantum wells

doi:10.1088/1674-1056/21/11/114203

中国物理B ›› 2012, Vol. 21 ›› Issue (11): 114203-114203.doi: 10.1088/1674-1056/21/11/114203

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Tunneling-induced ultraslow bright and dark solitons in quantum wells

樊双莉, 石义萍, 张红军, 孙辉

School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China

收稿日期:2012-02-15 修回日期:2012-04-28 出版日期:2012-10-01 发布日期:2012-10-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11104176 and 11104174), the Natural Science Foundation of Shaanxi Province, China (Grant No. 2011JQ1008), the Fundamental Research Funds for the Central University, China (Grant Nos. GK201003003 and GK201002024), and the Open Fund from the SKLPS of ECNU, China.

Tunneling-induced ultraslow bright and dark solitons in quantum wells

Fan Shuang-Li (樊双莉), Shi Yi-Ping (石义萍), Zhang Hong-Jun (张红军), Sun Hui (孙辉 )

School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China

Received:2012-02-15 Revised:2012-04-28 Online:2012-10-01 Published:2012-10-01
Contact: Sun Hui E-mail:physunh@snnu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11104176 and 11104174), the Natural Science Foundation of Shaanxi Province, China (Grant No. 2011JQ1008), the Fundamental Research Funds for the Central University, China (Grant Nos. GK201003003 and GK201002024), and the Open Fund from the SKLPS of ECNU, China.

摘要/Abstract

摘要： We show the formation of tunneling-induced ultraslow bright and dark solitons in an asymmetric double-quantum-well structure based on the tunneling induced transparency. In this semiconductor structure, the pump field is replaced by the electron-tunneling coupling, which can be modulated by a static electric field. With appropriate conditions, we demonstrate by modulating the intensity of the static electric field that the interplay between the group velocity dispersion and the self-Kerr nonlinearity results in the generation of dark and bright solitons with ultraslow group velocity.

关键词: optical solitons, quantum wells, tunneling induced transparency

Abstract: We show the formation of tunneling-induced ultraslow bright and dark solitons in an asymmetric double-quantum-well structure based on the tunneling induced transparency. In this semiconductor structure, the pump field is replaced by the electron-tunneling coupling, which can be modulated by a static electric field. With appropriate conditions, we demonstrate by modulating the intensity of the static electric field that the interplay between the group velocity dispersion and the self-Kerr nonlinearity results in the generation of dark and bright solitons with ultraslow group velocity.

Key words: optical solitons, quantum wells, tunneling induced transparency

中图分类号: (Quantum optics)

42.50.-p

42.65.Tg (Optical solitons; nonlinear guided waves) 68.65.Fg (Quantum wells)

樊双莉, 石义萍, 张红军, 孙辉 . Tunneling-induced ultraslow bright and dark solitons in quantum wells[J]. 中国物理B, 2012, 21(11): 114203-114203.

Fan Shuang-Li (樊双莉), Shi Yi-Ping (石义萍), Zhang Hong-Jun (张红军), Sun Hui (孙辉 ). Tunneling-induced ultraslow bright and dark solitons in quantum wells[J]. Chin. Phys. B, 2012, 21(11): 114203-114203.

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Tunneling-induced ultraslow bright and dark solitons in quantum wells

Tunneling-induced ultraslow bright and dark solitons in quantum wells

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