303MHz高重复频率掺Er光纤飞秒激光器

刘欢; 巩马理; 曹士英; 林百科; 方占军

doi:10.7498/aps.64.114210

摘要

高重复频率掺Er光纤飞秒激光器在光学频率梳、超高速光学采样等领域具有很重要的作用. 本文采用非线性偏振旋转锁模机理, 在掺Er光纤飞秒激光器中实现了重复频率为303 MHz的锁模脉冲输出. 通过优化腔内色散, 激光器腔内色散在零色散附近偏负值, 锁模后工作在展宽脉冲锁模状态. 在817 mW抽运功率下, 激光器在连续光状态下可以输出125 mW的平均功率, 在锁模状态下可以输出69 mW的平均功率, 脉冲宽度为90 fs. 当抽运功率处于700-817 mW时, 激光器可以实现自启动锁模. 激光器重复频率在5 h内的漂移量为30 Hz.

关键词:

Abstract

High-repetition-rate fiber laser has widely applications in the field of femtosecond frequency comb, ultra-fast optical sampling, and so on. In this paper, an Er-doped femtosecond fiber laser with a repetition rate of 303 MHz is demonstrated based on the mechanism of nonlinear polarization rotation. By means of optimization of cavity dispersion, the net dispersion in fiber cavity is a little negative nearby zero point. After mode locking, the laser is operating in the stretched-pulse regime. At a pump power of 817 mW, the output power of the laser is 125 mW in continue-wave state, and 69 mW in mode-locking state. The laser directly generates 90 fs before dispersion compensation. Mode locking can self-start at the pump power of 700-817 mW. Repetition rate drift of the mode-locked laser is 30 Hz in five hours.

Keywords:

作者及机构信息

1.
清华大学精密仪器系, 激光与光子技术研究室, 北京 100084;

2.
中国计量科学研究院, 时间频率计量研究所, 北京 100029

基金项目: 清华大学自主科研计划(批准号:20131089299),质检公益性行业科研专项(批准号:201310007),北京高等学校青年英才计划(批准号:YETP0087)和精密测试技术及仪器国家重点实验室开放基金(批准号:pil1201)资助的课题.

Authors and contacts

1.
Center for Photonics and Electronics, Department of Precision Instrument, Tsinghua University, Beijing 100084, China;

2.
Division of Time and Frequency Metrology, National Institute of Metrology, Beijing 100029, China

Funds: Project supported by the Tsinghua University Initiative Scientific Research Program, China (Grant No. 20131089299), the Special Scientific Research Foundation of General Administration of Quality Supervision, Inspection and Quarantine of China (Grant No. 20130007), the Beijing Higher Education Young Elite Teacher Project of China (Grant No. YETP0087), and the State Key Laboratory of Precision Measuring Technology and Instruments, China (Grant No. pil1201).

参考文献

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施引文献

[1]	Renninger W H, Chong A, Wise F W 2011 Opt. Express 19 22496
[2]	Tamura K, Ippen E P, Haus H A, Nelson L E 1993 Opt. Lett. 18 1080
[3]	Chernysheva M A, Krylov A A, Kryukov P G, Arutyunyan N R, Pozharov A S, Obraztsova E D, Dianov E M 2012 Opt. Express 20 B124
[4]	Jung M, Koo J, Park J, Song Y, Jhon Y M, Lee K, Lee S, Lee J H 2013 Opt. Express 21 20062
[5]	Ruehl A, Marcinkevicius A, Fermann M E, Hartl I 2010 Opt. Lett. 35 3015
[6]	Washburn B R, Diddams S A, Newbury N R, Nicholson J W, Yan M F, Jorgensen C G 2004 Opt. Lett. 29 250
[7]	Mills A A, Gatti D, Jiang J, Mohr C, Mefford W, Gianfrani L, Fermann M, Hartl I, Marangoni M 2012 Opt. Lett. 37 4083
[8]	Ma D, Cai Y, Zhou C, Zong W J, Chen L L, Zhang Z G 2010 Opt. Lett. 35 2858
[9]	Renninger W H, Wise F W 2014 IEEE J. Sel. Top Quant. Elect. 21 101
[10]	Nicholson J W, DiGiovanni D J 2005 IEEE Photon. Technol. Lett. 17750
[11]	Li C, Wang G Z, Jiang T X, Wang A M, Zhang Z G 2013 Opt. Lett. 38 314
[12]	Byun H, Pudo D, Chen J, Ippen E P, Kärtner F X 2008 Opt. Lett. 33 2221
[13]	Bao Q L, Zhang H, Wang Y, Ni Z H, Yan Y L, Shen Z X, Loh K P, Tang D Y 2009 Adv. Funct. Mater. 19 3077
[14]	Chen J, Sickler J W, Ippen E P, Kärtner F X 2007 Opt. Lett. 32 1566
[15]	Peng J L, Liu T A, and Shu R H 2009 Proceedings of the 2009 IEEE International Frequency Control Symposium jointly with the 22nd European Frequency and Time Forum (IFCS/EFTF) 344
[16]	Cao S Y, Meng F, Lin B K, Fang Z J and Li T C 2012 Acta Phys. Sin. 61 134205 (in Chinese) [曹士英, 孟飞, 林百科, 方占军, 李天初 2012 61 134205]

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