Special Section on Slow and Fast Light

Enhanced negative group velocity propagation in a highly nonlinear fiber cavity via lased stimulated Brillouin scattering

[+] Author Affiliations
Liang Zhang

Shanghai Jiao Tong University, Department of Physics, Key Laboratory for Laser Plasmas (Ministry of Education), State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai 200240, China

Li Zhan

Shanghai Jiao Tong University, Department of Physics, Key Laboratory for Laser Plasmas (Ministry of Education), State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai 200240, China

Minglei Qin

Shanghai Jiao Tong University, Department of Physics, Key Laboratory for Laser Plasmas (Ministry of Education), State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai 200240, China

Tantan Wang

Shanghai Jiao Tong University, Department of Physics, Key Laboratory for Laser Plasmas (Ministry of Education), State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai 200240, China

Jinmei Liu

Shanghai Jiao Tong University, Department of Physics, Key Laboratory for Laser Plasmas (Ministry of Education), State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai 200240, China

Opt. Eng. 53(10), 102702 (Jun 27, 2014). doi:10.1117/1.OE.53.10.102702
History: Received January 25, 2014; Revised April 30, 2014; Accepted May 1, 2014
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Abstract.  Negative group velocity superluminal propagation has been experimentally investigated based on stimulated Brillouin scattering in a 10-m highly nonlinear fiber (HNLF) ring cavity. The advancement of 365.8 ns with a high average slope efficiency of 118.9ns/mw versus the output lasing power was observed. The maximum negative group velocity of 0.105c and the minimum group index of 9.499 have been achieved by using the HNLF with high Brillouin gain coefficient and the optimized 1/99 coupler ratio in the cavity. The tunability of negative group velocity and group index can be easily controlled by the input pump power and optical coupler ratio indicating potential applications for a highly advanced sensing scheme based on Brillouin oscillation superluminal propagation.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Topics

Scattering

Citation

Liang Zhang ; Li Zhan ; Minglei Qin ; Tantan Wang and Jinmei Liu
"Enhanced negative group velocity propagation in a highly nonlinear fiber cavity via lased stimulated Brillouin scattering", Opt. Eng. 53(10), 102702 (Jun 27, 2014). ; http://dx.doi.org/10.1117/1.OE.53.10.102702


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