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通过理论和实验研究了1550 nm量子阱垂直腔面发射激光器(QW-VCSEL) 的饱和效应对2.5 Gbps二进制伪随机序列(PRBS)慢光延时的影响. 利用Fabry-Perot腔边界条件结合光场分布, 推导出VCSEL中信号相位和延时表达式, 并结合速率方程, 建立信号功率与延时之间的联系. 实验研究了在VCSEL逐渐达到饱和状态过程中PRBS信号的延时时间和眼图的变化情况. 理论和实验结果表明, 由于受饱和效应的影响, 大功率信号在VCSEL中传输得到更好的信号质量, 但以牺牲延迟时间为代价. 为了获得较大的时延, 一方面需要控制信号功率, 其次还需要调节信号波长以追踪由于饱和效应导致的VCSEL峰值增益波长的变化轨迹.The dependence of slowing light on the saturation effect in the vertical-cavity surface-emitting laser (VCSEL) is demonstrated. Combining the boundary conditions with the optical field distribution in VCSEL, the phase expression and the delay expression of the signal are derived. Based on these expressions and the rate equation, the relation between signal power and time delay is presented. Then the experimental demonstration shows the delays and the eye diagrams of a 2.5 Gbps pseudo-random binary sequence (PRBS) signal, when the VCSEL is working in the saturation condition. The theoretical and experimental results show that the high-power signal transmitted in the VCSEL could achieve better signal quality at the expense of the lower time delay. In order to obtain larger delay, on the one hand, the signal power should be controlled. On the other hand, the signal wavelength should be carefully adjusted to track the peak gain wavelength of the VCSEL caused by the saturation effect.
[1] Hau L V, Harris S E, Dutton Z, Behroozi C H 1999 Nature 397 594
[2] Liang Q C, Wang H H, Jiang Z K 2007 Acta Upt. Sin. 27 94 (in Chinese) [梁卿昌, 王海华, 将占魁 2007 光学学报 27 94]
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[4] Yan L S, Zheng D, Pan W, Luo B, Zhang B, Zhang L 2009 Opt. Commun. 282 4431
[5] Zhang Y D, Weng W, Yu B, Yuan P 2007 Laser Optoelectron. Prog. 44 26 (in Chinese) [掌蕴东, 翁文, 喻波, 袁萍 2007 激光与光电子学进展 44 26]
[6] Zhao X, Palinginis P, Pesala B, Chang-Hasnain C J 2005 Opt. Express 13 7899
[7] Peng P C, Lin C T, Kuo H C, Liu J N, Tsai W K, Lin G, Yang H P, Lin K F, Chi J Y, Chi S,Wang S C 2007 Optical Fiber Communication and the National Fiber Optic Engineers Conference Anaheim CA, October 15–18, 2007 p1
[8] Peng P C, Wu F M, Lin C T, Chen J H, Shih P T, Kao W C, Jiang W J, Kuo H C, Chi S 2008 Lasers and Electro-Optics 2008 and 2008 Conference on Quantum Electronics Laser Science San Jose, CA, May 4–9, 2008 p1
[9] Chang-Hasnain C J, Ku P C, Kim J, Chuang S L 2003 Proc. IEEE 91 1884
[10] Zhang Z Y, Zhou X J, Shi S H, Liang R 2010 Acta Phys. Sin. 59 4694 (in Chinese) [张旨遥, 周晓军, 石胜辉, 梁锐 2010 59 4694]
[11] Qin Z M, Luo B, Pan W 2006 Laser Technol. 30 452 (in Chinese) [秦张淼, 罗斌, 潘炜 2006 激光技术 30 452]
[12] Xu J H, Luo B, Pan W, Qin Z M, Wang F 2007 Opto-Electron. Eng. 34 100 (in Chinese) [ 许江衡, 罗斌, 潘炜, 秦张淼, 汪帆 2007 光电工程 34 100]
[13] Laurand N, Calvez S, Dawson M D, Kelly A E 2007 Lasers and Electro-Optics Society of the IEEE Montreal QC Canada, January 1, 2006 p20
[14] Wang G, Luo B, Pan W, Xiong J 2005 Chin. Phys. 14 2561
[15] Lim S F, Chang-Hasnain C J 1995 IEEE Photon. Technolo. Lett. 7 1240
[16] Zhang Y Y, Cheng C H 2007 J. Microwave 23 103 (in Chinese) [庄砚研, 程崇虎 2007 微波学报 23 103]
[17] Guo C Z, Chen S L 1997 Acta Phys. Sin. 46 1731 (in Chinese) [郭长志, 陈水莲 1997 46 1731]
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[1] Hau L V, Harris S E, Dutton Z, Behroozi C H 1999 Nature 397 594
[2] Liang Q C, Wang H H, Jiang Z K 2007 Acta Upt. Sin. 27 94 (in Chinese) [梁卿昌, 王海华, 将占魁 2007 光学学报 27 94]
[3] Zhu Z M, Dawer AMC, Gauthier D J, Zhang L,Willner A E 2007 J. Lightwave Technol. 25 201
[4] Yan L S, Zheng D, Pan W, Luo B, Zhang B, Zhang L 2009 Opt. Commun. 282 4431
[5] Zhang Y D, Weng W, Yu B, Yuan P 2007 Laser Optoelectron. Prog. 44 26 (in Chinese) [掌蕴东, 翁文, 喻波, 袁萍 2007 激光与光电子学进展 44 26]
[6] Zhao X, Palinginis P, Pesala B, Chang-Hasnain C J 2005 Opt. Express 13 7899
[7] Peng P C, Lin C T, Kuo H C, Liu J N, Tsai W K, Lin G, Yang H P, Lin K F, Chi J Y, Chi S,Wang S C 2007 Optical Fiber Communication and the National Fiber Optic Engineers Conference Anaheim CA, October 15–18, 2007 p1
[8] Peng P C, Wu F M, Lin C T, Chen J H, Shih P T, Kao W C, Jiang W J, Kuo H C, Chi S 2008 Lasers and Electro-Optics 2008 and 2008 Conference on Quantum Electronics Laser Science San Jose, CA, May 4–9, 2008 p1
[9] Chang-Hasnain C J, Ku P C, Kim J, Chuang S L 2003 Proc. IEEE 91 1884
[10] Zhang Z Y, Zhou X J, Shi S H, Liang R 2010 Acta Phys. Sin. 59 4694 (in Chinese) [张旨遥, 周晓军, 石胜辉, 梁锐 2010 59 4694]
[11] Qin Z M, Luo B, Pan W 2006 Laser Technol. 30 452 (in Chinese) [秦张淼, 罗斌, 潘炜 2006 激光技术 30 452]
[12] Xu J H, Luo B, Pan W, Qin Z M, Wang F 2007 Opto-Electron. Eng. 34 100 (in Chinese) [ 许江衡, 罗斌, 潘炜, 秦张淼, 汪帆 2007 光电工程 34 100]
[13] Laurand N, Calvez S, Dawson M D, Kelly A E 2007 Lasers and Electro-Optics Society of the IEEE Montreal QC Canada, January 1, 2006 p20
[14] Wang G, Luo B, Pan W, Xiong J 2005 Chin. Phys. 14 2561
[15] Lim S F, Chang-Hasnain C J 1995 IEEE Photon. Technolo. Lett. 7 1240
[16] Zhang Y Y, Cheng C H 2007 J. Microwave 23 103 (in Chinese) [庄砚研, 程崇虎 2007 微波学报 23 103]
[17] Guo C Z, Chen S L 1997 Acta Phys. Sin. 46 1731 (in Chinese) [郭长志, 陈水莲 1997 46 1731]
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