两种基于交叉相位调制的光脉冲压缩方案

李博; 娄淑琴; 谭中伟; 苏伟

doi:10.7498/aps.61.194203

摘要

基于交叉相位调制的时间透镜可实现精确的二次相位调制, 但是它在光脉冲压缩领域的应用受到了抽运光脉冲的峰值功率过高的限制. 对该峰值功率的表达式进行了推导, 提出使用带有正色散的传输介质来实现输出段色散, 从而降低了抽运光脉冲的峰值功率.并进一步指出, 可以将基于交叉相位调制的时间透镜应用于4f系统, 来实现光脉冲压缩, 从而更有效地降低了抽运光脉冲的峰值功率. 推导了该系统的抽运光脉冲的峰值功率和分辨率的表达式, 并进行了光脉冲压缩的仿真分析.研究结果表明, 在基于交叉相位调制的4f系统中, 可以利用峰值功率较低的抽运光脉冲产生飞秒量级超短光脉冲; 随着压缩系数的提高, 输出光脉冲的脉冲宽度主要受到4f系统分辨率的限制, 并对4f系统分辨率的提高进行了讨论.

关键词:

Abstract

Time lens based on cross phase modulation can realize accurate quadratic phase modulation. However, its application in optical pulse compression is restricted by the pump pulse with a high peak power. The formula of the peak power is deduced. It is proposed to use an output fiber with positive dispersion to lower the high peak power requirement for the pump pulse. It is also proposed to use a 4f system which consists of two time lenses to realize optical pulse compression, thereby more effectively lowering the peak power of the pump pulse. The formulas of the peak power and the resolution of the 4f system are deduced. The optical pulse compression is simulated and analysed. The research results demonstrate that in a 4f system based on cross phase modulation, femtosecond pulses can be generated by using pump pulses with small peak power; With compression factor increasing, the pulse width of the output pulse is restricted mainly by the solution of the 4f system. The method of improving the solution of the 4f system is discussed.

Keywords:

作者及机构信息

1.
北京交通大学, 电子信息工程学院, 北京 100044

基金项目: 国家自然科学基金(批准号: 60977033, 61177082, 61177012)和中央高校基本科研业务费专项资金(批准号: 2012YJS002, 2011YJS212)资助的课题.

Authors and contacts

1.
School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 60977033, 61177082, 61177012), and the Fundamental Research Funds for the Central Universities (Grant Nos. 2012YJS002, 2011YJS212).

参考文献

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[11]	Wang K, Xu C 2011 Opt. Lett. 36 942
[12]	Lohmann A W, Mendlovic D 1992 Appl. Opt. 31 6212
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施引文献

[1]	Bartels A, Cerna R, Kistner C, Thoma A, Hudert F, Janke C, Dekorsy T 2007 Rev. Sci. Instrum. 78 351071
[2]	Cundiff S T 2007 Nature 450 1175
[3]	Wang K. Freudiger C W, Lee J H, Saar B G, Xie X S, Xu C 2010 Opt. Express 18 24019
[4]	Kolner B H 1988 Appl. Phys. Lett. 52 1122
[5]	Khayim T, Yamauchi M, Kim D, Kobayashi T 1999 IEEE J. Quantum Electron. 35 1412
[6]	Howe J V, Lee J H, Xu C 2007 Opt. Lett. 32 1408
[7]	Kolner B H, Nazarathy M 1989 Opt. Lett. 14630
[8]	Kolner B H, Nazarathy M 1990 Opt. Lett. 15 655
[9]	Wang K, Lee J H, Dai Y, Cheng J, Xu C 2010 Conference on Lasers and Electro-Optics San Jose, CA, May 16, 2010 JTuD57
[10]	Morohashi I, Sakamoto T, Sotobayashi H, Kawanishi T, Hosako I 2009 Opt. Lett. 34 2297
[11]	Wang K, Xu C 2011 Opt. Lett. 36 942
[12]	Lohmann A W, Mendlovic D 1992 Appl. Opt. 31 6212
[13]	Mouradian L K, Louradour F, Messager V, Barthelemy A, Froehly C 2000 J. Quantum Electron. 36 795
[14]	Hirooka T, Nakazawa 2008 IEEE Photon. Technol. Lett. 20 1869
[15]	Parmigiani F, Petropoulos P, Ibsen M, Roelens M A F, Richardson D J 2006 IEEE Photon. Technol. Lett. 18 829
[16]	Ng T T, Parmigiani F, Ibsen M, Zhang Z, Petropoulos P, Richardson D J 2007 Optical Fibre Communication and the national fiber engineers Conference Anaheim, CA, March 25, 2007 JWA58
[17]	Ng T T, Parmigiani F, Ibsen M, Zhang ZH W, Petropoulos P, Richardson D J 2008 IEEE Photon. Technol. Lett. 20 1097
[18]	Li B, Tan ZH W, ZH X X 2011 Acta Phys. Sin. 60 084204 (in Chinese) [李博, 谭中伟, 张晓兴 2011 物理学报 60 084284]
[19]	Li B, Tan ZH W, ZH X X 2012 Acta Phys. Sin. 61 014203 (in Chinese) [李博, 谭中伟, 张晓兴 2012 物理学报 61 014203]
[20]	Salem R, Foster M A, Turner A C, Geraghty D F, Lipson M, Gaeta A L 2008 Opt. Lett. 33 1047
[21]	Kauffman M T, Banyai W C, Godil A A, Bloom D M 1994 Appl. Phys. Lett. 64 270

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