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基于扩展的自旋反转模型, 对光电负反馈下垂直腔表面发射激光器的偏振开关特性进行了数值仿真和理论分析. 研究结果表明: 对于不同的自旋反转率, 反馈强度和延迟时间对激光器偏振开关特性产生较大影响.在慢自旋反转率下运行时, 随着反馈强度的增加, 开关点电流呈线性增加, 导致X偏振模被压缩, 这与报道的基于各向同性光反馈的情景相反, 产生这一现象的原因是由于光电负反馈提高了X偏振模的阈值; 延迟时间对开关点电流的影响随反馈强度的变化而不同.在快自旋反转率下运行时, 反馈强度对开关点电流的影响与慢自旋反转率时的情形不同, 开关点电流经历先增加后减小的过程, 开关点电流受反馈强度的影响更加敏感; 而延迟时间的影响规律和慢自旋反转率时相似. 此外, 还发现自发辐射噪声对激光器偏振开关特性有较大影响.
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关键词:
- 垂直腔表面发射激光器 /
- 偏振开关 /
- 光电负反馈 /
- 自发辐射噪声
Using the extended spin-flip model, we theoretically investigate the polarization switching dynamics of a vertical-cavity surface-emitting laser subject to negative optoelectronic feedback. The results show that when the laser operates at two different the spin-flip rates, the feedback intensity and delay time have great influence on polarization switching dynamics. At a slow spin-flip rate, with the increase of feedback intensity, switching current increases linearly, that the X polarization mode is compressed is contrary to the reported results based on isotropic optical feedback. The reason may be due to the fact that the negative optoelectronic feedback improves the X polarization mode threshold; the effect of delay time will vary with feedback intensity. At a fast spin-flip rate, the effect of feedback strength is different from at a slow spin-flip rate, the switching point current undergoes a process in which the current increases first and then decreases gradually, the switching point current is more sensitively dependent on the feedback strength; while effect of the delay time is similar to that at a slow spin-flip rate. In addition, we find that the spontaneous emission noise has a great influence on polarization switching dynamics.-
Keywords:
- vertical-cavity surface-emitting laser /
- polarization switching /
- the optoelectronic negative feedback /
- spontaneous emission noise
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[17] Yang B X, Xia G Q, Lin X D, Wu Z M 2009 Acta Phys. Sin. 58 1480 (in Chinese) [杨炳星, 夏光琼, 林晓东, 吴正茂 2009 58 1480]
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[24] Cao T, Lin X D, Xia G Q, Chen X H, Wu Z M 2012 Acta Phys. Sin. 61 114203 (in Chinese) [曹体, 林晓东, 夏光琼, 陈兴华, 吴正茂2012 61 114203]
[25] Ignace G, Marc S, Alexandre L, Krassimir P 2007 Opt. Lett. 32 1629
[26] Chen X H, Lin X D, Wu Z M, Fan L, Cao T, Xia G Q 2012 Acta Phys. Sin. 61 094209 (in Chinese) [陈兴华, 林晓东, 吴正茂, 樊丽, 曹体, 夏光琼2012 61 094209]
[27] Zheng A J, Wu Z M, Deng T, Li X J, Xia G Q 2012 Acta Phys. Sin. 61 234203 (in Chinese) [郑安杰, 吴正茂, 邓涛, 李小坚, 夏光琼 2012 61 234203]
[28] Li X J, Wu Z M, Deng T, Zheng A J, Xia G Q 2012 Acta Opt. Sin. 32 1214001(in Chinese) [李小坚, 吴正茂, 邓涛, 郑安杰, 夏光琼 2012光学学报 32 1214001]
[29] Ping X, Wu Z M, Wu J G, Jiang L, Deng T, Tang X, Fan L, Xia G Q 2013 Opt. Commun. 286 339
[30] Xiao Y, Deng T, Wu Z M, Wu J G, Lin X D, Tang X, Zeng L B, Xia G Q 2012 Opt. Commun. 285 1442
-
[1] Miguel M S, Feng Q, Moloney J V 1995 Phys. Rev. A 52 1728
[2] Regalado J M, Prati F, Miguel M S, Abraham N B 1997 IEEE J. Quantum Electron. 33 765
[3] Masoller C, Torre M S 2005 IEEE J. Quantum Electron. 41 483
[4] Badilita V, Carlin J F, Ilegems M, Brunner M, Verschaffelt G, Panajotov K 2004 IEEE Photon. Technol. Lett. 16 365
[5] Augustin L M, Smalbrugge E, Choquette K D, Karouta F, Strijbos R C, Verschaffelt G, Geluk E J, van de Roer T G, Thienpont H 2004 IEEE Photon. Technol. Lett. 16 708
[6] Sondermann M, Weinkath M, Ackemann T 2004 IEEE J. Quantum Electron. 40 97
[7] Paul J, Masoller C, Hong Y H, Spencer P S, Shore K A 2007 J. Opt. Soc. Am. B 24 1987
[8] Danckaert J, Peeters M, Mirasso C, Miguel M S, Verschaffelt G, Albert J, Nagler B, Unold H, Michalzik R, Giacomelli G, Marin F 2004 IEEE J. Sel. Top. Quantum Electron. 10 911
[9] Choquette K D, Leibenguth R E 1994 IEEE Photon. Technol. Lett. 6 40
[10] Yoshikawa T, Kawakami T, Saito H, Kosaka H, Kajita M, Kurihara K, Sugimoto Y, Kasahara K 1998 IEEE J. Quantum Electron. 34 1009
[11] Meng P T, Ansas M K, Timothy A S, Kent D C 2012 IEEE Photon. Technol. Lett. 24 745
[12] Russell T H, Milster T D 1997 Appl. Phys. Lett. 70 2520
[13] HongY, Spencer P S, Shore K A 2004 Opt. Lett. 29 2151
[14] Valle A, Pesquera L, Shore K A 1998 IEEE Photon. Technol. Lett. 10 639
[15] Besnard P, Chares M L, Stephan G, Robert F 1999 J. Opt. Soc. Am. B 16 1059
[16] Sciamanna M, Panajotov K, Thienpont H, Veretennicoff I, Megret P, Blondel M 2003 Opt. Lett. 28 1543
[17] Yang B X, Xia G Q, Lin X D, Wu Z M 2009 Acta Phys. Sin. 58 1480 (in Chinese) [杨炳星, 夏光琼, 林晓东, 吴正茂 2009 58 1480]
[18] Jeong K H, Kim K H, Lee S H, Lee M H, Yoo B S, Shore K A 2008 IEEE Photon. Technol. Lett. 20 779
[19] Valle A, Sciamanna M, Panajotov K 2007 Phys. Rev. E 76 046206
[20] Hong Y H, Paul J, Spencer P S, Shore K A 2008 IEEE J. Quantum Electron. 44 30
[21] Wang X F, Xia G Q, Wu Z M 2009 J. Opt. Soc. Am. B 26 160
[22] Zhong W L, Luo B, Li X F, Zuo X H, Wang M Y 2007 Appl. Opt. 46 7262
[23] Wang X F, Xia G Q, Wu Z M 2009 Acta Phys. Sin. 58 4669 (in Chinese) [王小发, 夏光琼, 吴正茂 2009 58 4669]
[24] Cao T, Lin X D, Xia G Q, Chen X H, Wu Z M 2012 Acta Phys. Sin. 61 114203 (in Chinese) [曹体, 林晓东, 夏光琼, 陈兴华, 吴正茂2012 61 114203]
[25] Ignace G, Marc S, Alexandre L, Krassimir P 2007 Opt. Lett. 32 1629
[26] Chen X H, Lin X D, Wu Z M, Fan L, Cao T, Xia G Q 2012 Acta Phys. Sin. 61 094209 (in Chinese) [陈兴华, 林晓东, 吴正茂, 樊丽, 曹体, 夏光琼2012 61 094209]
[27] Zheng A J, Wu Z M, Deng T, Li X J, Xia G Q 2012 Acta Phys. Sin. 61 234203 (in Chinese) [郑安杰, 吴正茂, 邓涛, 李小坚, 夏光琼 2012 61 234203]
[28] Li X J, Wu Z M, Deng T, Zheng A J, Xia G Q 2012 Acta Opt. Sin. 32 1214001(in Chinese) [李小坚, 吴正茂, 邓涛, 郑安杰, 夏光琼 2012光学学报 32 1214001]
[29] Ping X, Wu Z M, Wu J G, Jiang L, Deng T, Tang X, Fan L, Xia G Q 2013 Opt. Commun. 286 339
[30] Xiao Y, Deng T, Wu Z M, Wu J G, Lin X D, Tang X, Zeng L B, Xia G Q 2012 Opt. Commun. 285 1442
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