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Proceedings Paper

Interference of FSBS and Kerr effect in a standard highly nonlinear fiber
Author(s): Yunhui Zhu; Jing Wang; Rui Zhang; Daniel J. Gauthier
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Paper 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.

Paper Details

Date Published: 21 February 2011
PDF: 6 pages
Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 79170Z (21 February 2011); doi: 10.1117/12.876817
Show Author Affiliations
Yunhui Zhu, Duke Univ. (United States)
Jing Wang, Duke Univ. (United States)
Beijing Jiaotong Univ. (China)
Rui Zhang, Duke Univ. (United States)
Daniel J. Gauthier, Duke Univ. (United States)

Published in SPIE Proceedings Vol. 7917:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X
Konstantin L. Vodopyanov, Editor(s)

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