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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4841–4844

Characterization of stimulated Brillouin scattering in a few-mode fiber

Kwang Yong Song and Yong Hyun Kim  »View Author Affiliations


Optics Letters, Vol. 38, Issue 22, pp. 4841-4844 (2013)
http://dx.doi.org/10.1364/OL.38.004841


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Abstract

Characterization of stimulated Brillouin scattering (SBS) in a few-mode fiber (FMF) is experimentally demonstrated, where the Brillouin gain spectrum (BGS) of intramodal or intermodal SBS is analyzed for different pump–probe pairs of four LP modes—LP01, LP11, LP21, and LP02 modes—guided in the fiber. A mode-division multiplexer composed of concatenated mode-selective couplers is applied for selective launching of each LP mode, and a differential measurement scheme is adopted for the analysis of the BGS. The intermodal SBS is observed in each pump–probe pair of different modes, and the Brillouin gain is measured to be within 14%–45% of that of the SBS between the LP01 modes. The SBS threshold of each LP mode in the FMF is also evaluated.

© 2013 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2310) Fiber optics and optical communications : Fiber optics
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Scattering

History
Original Manuscript: September 6, 2013
Revised Manuscript: October 1, 2013
Manuscript Accepted: October 15, 2013
Published: November 14, 2013

Citation
Kwang Yong Song and Yong Hyun Kim, "Characterization of stimulated Brillouin scattering in a few-mode fiber," Opt. Lett. 38, 4841-4844 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-22-4841


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