Interference of FSBS and Kerr effect in a standard highly nonlinear fiber

Yunhui Zhu; Jing Wang; Rui Zhang; Daniel J. Gauthier

doi:10.1117/12.876817

21 February 2011 Interference of FSBS and Kerr effect in a standard highly nonlinear fiber

Yunhui Zhu, Jing Wang, Rui Zhang, Daniel J. Gauthier

Proceedings Volume 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X; 79170Z (2011) https://doi.org/10.1117/12.876817
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

We observe efficient forward stimulated Brillouin scattering (FSBS) in a standard 2-km highly-nonlinear optical fiber (NHLF), where we see multiple resonance peaks between 425 MHz to 1.1 GHz. The most efficient acousto-optical coupling appears for the 20th radially-guided acoustic mode at 933.8 MHz, which has maximum spatial overlapping with the tightly confined optical mode in the NHLF fiber. A large gain coefficient of 34.7 W^-1 is obtained at this resonance when pumped with a 8 mW continuous-wave (cw) beam at 1550 nm, and an enhanced gain of 57.6 is obtained by using a pulsed pump beam at 80 mW. Interference between the FSBS process and the Kerr effect is observed to enhance the resonance and cause asymmetric profile for the observed resonances.

Citation Download Citation

Yunhui Zhu, Jing Wang, Rui Zhang, and Daniel J. Gauthier "Interference of FSBS and Kerr effect in a standard highly nonlinear fiber", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 79170Z (21 February 2011); https://doi.org/10.1117/12.876817

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