计及激子-双激子相干下半导体单量子点中的空间光孤子对

曾宽宏; 王登龙; 佘彦超; 张蔚曦

doi:10.7498/aps.62.147801

摘要

考虑激子-双激子的相干效应, 解析地研究了半导体单量子点中探测光和信号光的吸收特性和非线性传播特性.结果发现, 在线性条件下, 单量子点中出现电磁感应透明现象; 进一步分析可得, 电磁感应透明所呈现的是单窗口或双窗口或光学增益均可通过调节控制光强加以控制.在非线性条件下, 弱信号光诱导弱探测光产生两个分量, 这两个分量在系统中所激发的自克尔和交叉克尔非线性效应与系统的衍射效应相平衡从而形成稳定的亮-亮, 亮-暗, 暗-暗等空间光孤子对.

关键词:

Abstract

Considering the exciton-biexciton coherence, we analytically study the linear absorption and nonlinear propagation properties of the probe and signal field in a semiconductor quantum dot. It is found that in the linear case, in the system takes place an electromagnetically induced transparency phenomenon. Furthermore, we obtain that in the system there occurs one- or two-transparency window, or optical gain, which is controlled by adjusting the coupling control field. For the nonlinear case, the weak probe field, which is induced by a signal field, splits into two parts. When their excited self-Kerr and cross-Kerr nonlinear effects balance the refractive effect of the beam, the system exhibits bright-bright, bright-dark, dark-bright, dark-dark soliton pairs.

Keywords:

semiconductor quantum dot /
electromagnetically induced transparency /
spatial optical soliton pairs

作者及机构信息

1.
湘潭大学物理系, 湘潭 411105;

2.
铜仁学院物理与电子科学系, 铜仁 554300

基金项目: 国家自然科学基金(批准号: 51032002); 湖南省教育厅研究基金(批准号: 12A140)和贵州省科技厅科学技术基金(批准号: J20112219, J20122314)资助的课题.

Authors and contacts

1.
Department of Physics, Xiangtan University, Xiangtan 411105, China;

2.
Department of Physics and Electronic Science, Tongren University, Tongren 554300, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51032002), the Scientific Research Fund of Hunan Provincial Education Department of China (Grant No. 12A140), and the Science and Technology Foundation of Guizhou Province of China (Grant Nos. J20112219, J20122314).

参考文献

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[8]	Hang C, Huang G X, Deng L 2006 Phys. Rev. E 74 046601
[9]	Hu B, Huang G X, Velarde M G 2000 Phys. Rev. E 62 2827
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[12]	Zhang H, Tang D Y, Zhao L M, Wu X 2009 Phys. Rev. B 80 052302
[13]	Delqué M, Sylvestre T, Maillotte H, Cambournac C, Kockaert P, Haelterman M 2005 Opt. Lett. 30 3383
[14]	Zhang Y, Hou C F, Sun X D 2007 Chin. Phys. 16 159
[15]	Liu J S, Zhang D Y, Liang C H 2000 Chin. Phys. 9 667
[16]	Chen Z G, Segev M, Coskun T H, Christodoulides D N 1996 Opt. Lett. 21 1436
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[21]	Si L G, Yang W X, Yang X X 2009 J. Opt. Soc. Am. B 26 478
[22]	Wu Y, Deng L 2004 Phys. Rev. Lett. 93 143904
[23]	Wu Y 2005 Phys. Rev. A 71 053820
[24]	Wu Y, Deng L 2004 Opt. Lett. 29 2064
[25]	Ding C L, Hao X Y, Yang X X 2010 Phys. Lett. A 374 680
[26]	Hao X Y, Zheng A T, Wang Y, Li X G 2012 Commun. Theor. Phys. 57 866
[27]	Yang W X, Chen A X, Lee R K, Wu Y 2011 Phys. Rev. A 84 013835
[28]	Li J H, Yu R, Huang P, Yang X X 2009 Phys. Lett. A 373 554
[29]	Sun H, Feng X L, Gong S Q, Oh C H 2009 Phys. Rev. B 79 193404
[30]	Luo J, Lai W, Lu D, Du C L, Liu Y W, Gong S Q, Shi D N, Guo C L 2012 J. Phys. B: At. Mol. Opt. Phys. 45 035402
[31]	Wu F, Tian W, Ma i N, Chen W J, Zhang G L, Zhao G F, Cao S D, Xie W 2008 Chin. Phys. Lett. 25 1461
[32]	Guo R H, Shi H Y, Sun X D 2004 Chin. Phys. 13 2141
[33]	Zhang G Q, Chen C, Gao F, Bo F, Liu J B, Xu J J, Tu Y F 2007 Physics 36 399
[34]	Gammon D, Snow E S, Shanabrook B V, Katzer D S, Park D 1996 Science 273 87
[35]	Brunner K, Abstreiter G, Böhm G, Tränkle, Weimann G 1994 Phys. Rev. Lett. 73 1138
[36]	Luo B, Hang C, Li H J, Huang G X 2010 Chin. Phys. B 19 054214
[37]	Li L, Huang G X 2010 Phys. Rev. A 82 023809
[38]	Li H J, Huang G X 2008 Phys. Lett. A 372 4127

施引文献

[1]	Segev M 1998 Opt. Quantum Electron. 30 503
[2]	Segev M，Stegeman G I 1998 Phys. Today 51 48
[3]	Chen Z G, Segev M, Christodoulides D N 2012 Rep. Prog. Phys. 75 086401
[4]	Hang C, Konotop V V, Huang G X 2009 Phys. Rev. A 79 033826
[5]	Huang G X, Deng L, Payne M G 2005 Phys. Rev. E 72 016617
[6]	Hu W, Ouyang S G, Yang P B, Guo Q, Lan S 2008 Phys. Rev. A 77 033842
[7]	Kivshar Y S, Yang X P 1994 Phys. Rev. E 50 40(R)
[8]	Hang C, Huang G X, Deng L 2006 Phys. Rev. E 74 046601
[9]	Hu B, Huang G X, Velarde M G 2000 Phys. Rev. E 62 2827
[10]	Stegeman G I, Segev M 1999 Science 286 1518
[11]	Kang J U, Stegeman G I, Aitchison J S, Akhmediev N 1996 Phys. Rev. Lett. 76 3699
[12]	Zhang H, Tang D Y, Zhao L M, Wu X 2009 Phys. Rev. B 80 052302
[13]	Delqué M, Sylvestre T, Maillotte H, Cambournac C, Kockaert P, Haelterman M 2005 Opt. Lett. 30 3383
[14]	Zhang Y, Hou C F, Sun X D 2007 Chin. Phys. 16 159
[15]	Liu J S, Zhang D Y, Liang C H 2000 Chin. Phys. 9 667
[16]	Chen Z G, Segev M, Coskun T H, Christodoulides D N 1996 Opt. Lett. 21 1436
[17]	Huang G X, Jiang K J, Payne M G, Deng L 2006 Phys. Rev. E 73 056606
[18]	Xie X T, Li W B, Yang X X 2006 J. Opt. Soc. Am. B 23 1609
[19]	She Y C, Wang D L, Ding J W 2009 Acta Phys. Sin. 58 3198 (in Chinese) [佘彦超, 王登龙, 丁建文 2009 58 3198]
[20]	She Y C, Zhang W X, Wang D L 2011 Acta Phys. Sin. 60 064205 (in Chinese) [佘彦超, 张蔚曦, 王登龙 2011 60 064205]
[21]	Si L G, Yang W X, Yang X X 2009 J. Opt. Soc. Am. B 26 478
[22]	Wu Y, Deng L 2004 Phys. Rev. Lett. 93 143904
[23]	Wu Y 2005 Phys. Rev. A 71 053820
[24]	Wu Y, Deng L 2004 Opt. Lett. 29 2064
[25]	Ding C L, Hao X Y, Yang X X 2010 Phys. Lett. A 374 680
[26]	Hao X Y, Zheng A T, Wang Y, Li X G 2012 Commun. Theor. Phys. 57 866
[27]	Yang W X, Chen A X, Lee R K, Wu Y 2011 Phys. Rev. A 84 013835
[28]	Li J H, Yu R, Huang P, Yang X X 2009 Phys. Lett. A 373 554
[29]	Sun H, Feng X L, Gong S Q, Oh C H 2009 Phys. Rev. B 79 193404
[30]	Luo J, Lai W, Lu D, Du C L, Liu Y W, Gong S Q, Shi D N, Guo C L 2012 J. Phys. B: At. Mol. Opt. Phys. 45 035402
[31]	Wu F, Tian W, Ma i N, Chen W J, Zhang G L, Zhao G F, Cao S D, Xie W 2008 Chin. Phys. Lett. 25 1461
[32]	Guo R H, Shi H Y, Sun X D 2004 Chin. Phys. 13 2141
[33]	Zhang G Q, Chen C, Gao F, Bo F, Liu J B, Xu J J, Tu Y F 2007 Physics 36 399
[34]	Gammon D, Snow E S, Shanabrook B V, Katzer D S, Park D 1996 Science 273 87
[35]	Brunner K, Abstreiter G, Böhm G, Tränkle, Weimann G 1994 Phys. Rev. Lett. 73 1138
[36]	Luo B, Hang C, Li H J, Huang G X 2010 Chin. Phys. B 19 054214
[37]	Li L, Huang G X 2010 Phys. Rev. A 82 023809
[38]	Li H J, Huang G X 2008 Phys. Lett. A 372 4127

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