Passively Mode-Locked Fiber Laser with a Sub-Megahertz Repetition Rate
CHEN Jiong, JIA Dong-Fang**, WU Yong-Chao, WANG Chang-Le, WANG Zhao-Ying, YANG Tian-Xin
Key Laboratory of Optoelectronics Information and Technical Science (Ministry of Education), and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072
Passively Mode-Locked Fiber Laser with a Sub-Megahertz Repetition Rate
CHEN Jiong, JIA Dong-Fang**, WU Yong-Chao, WANG Chang-Le, WANG Zhao-Ying, YANG Tian-Xin
Key Laboratory of Optoelectronics Information and Technical Science (Ministry of Education), and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072
摘要We demonstrate an ultra-long cavity by which an all-fiber erbium-doped fiber laser is passively mode-locked by nonlinear polarization rotation. The length of the resonant cavity amounts to 466 m, which can be achieved by incorporating a 420 m highly nonlinear fiber. The laser generates stable mode-locked pulses with a 444 kHz fundamental repetition rate. A near transform-limited subpicosecond pulse is obtained without any dispersion compensation. The maximum average power of the output pulses is 5.16 mW, which corresponds to a per-pulse energy of 11.62 nJ.
Abstract：We demonstrate an ultra-long cavity by which an all-fiber erbium-doped fiber laser is passively mode-locked by nonlinear polarization rotation. The length of the resonant cavity amounts to 466 m, which can be achieved by incorporating a 420 m highly nonlinear fiber. The laser generates stable mode-locked pulses with a 444 kHz fundamental repetition rate. A near transform-limited subpicosecond pulse is obtained without any dispersion compensation. The maximum average power of the output pulses is 5.16 mW, which corresponds to a per-pulse energy of 11.62 nJ.
[1] Joon T A, Hak K L, Kyong H K, Min Y J and Lee E H 1998 Opt. Commun. 148 59
[2] Song C X, Xu W C, Luo Z C, Luo A P and Chen W C 2009 Opt. Commun. 282 4408
[3] Liu B W, Hu M L, Fang X H, Wu Y Z, Song Y J, Chai L, Wang C Y and Zheltikov A M 2009 Laser Phys. Lett. 6 44
[4] Cho S H, Bouma B E, Ippen E P and Fujimoto J G 1999 Opt. Lett. 24 417
[5] Wu G, Tian X J, Gao B, Shan J D and Ru Y X 2011 Chin. Phys. Lett. 28 094202
[6] Ding X, Li X, Sheng Q, Shi C P, Yin S J, Li B, Wen W Q and Yao J Q 2011 Chin. Phys. Lett. 28 094205
[7] Kolev V Z, Lederer M J, Luther D B and Rode A V2003 Opt. Lett. 28 1275
[8] He J P, Liang X Y, Li J F, Zheng L H, Su L B and Xu J 2011 Chin. Phys. Lett. 28 084204
[9] Xie S Y, Bo Y, Xu J L, Wang Z C, Peng Q J, Cui D F and Xu Z Y 2011 Chin. Phys. Lett. 28 084207
[10] Zhang P Z, Fan W, Wang X C and Lin Z Q 2010 Chin. Opt. Lett. 8 768
[11] William H R, Andy C and Frank W W 2008 Opt. Lett. 33 3025
[12] Jochen S, Trung D V and Benjamin J E 2009 Opt. Express 34 3902
[13] Chen J, Sickler J W and Ippen E P 2007 Opt. Lett. 32 1566
[14] Ai F, Cao Z G, Zhang X F, Zhang C M, Zhang B and Yu B L 2010 Opt. Laser Technol. 43 501
[15] Zhao H, Cai L and Hu M L 2010 Chin. J. Laser 12 37
[16] Antti H, Jonna P, Soile S and Mircea G 2010 Opt. Lett. 35 4090
[17] Amrani F, Salhi M, Grelu P and Leblond H 2011 Opt. Lett. 36 1545
2011, Vol. 28 
