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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.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.
[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 物理学报 61 134205]
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[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 物理学报 61 134205]
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