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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 10 — May. 7, 2012
  • pp: 11083–11090

Experimental investigation on Brillouin scattering property in highly nonlinear photonic crystal fiber with hybrid core

Weiwen Zou, Zuyuan He, and Kazuo Hotate  »View Author Affiliations

Optics Express, Vol. 20, Issue 10, pp. 11083-11090 (2012)

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Brillouin scattering property in a highly nonlinear photonic crystal fiber (HNL-PCF) with hybrid-core structure is experimentally investigated. The HNL-PCF comprises a highly Ge-doped core surrounded by a triangularly-arranged F-doped buffer. It is experimentally shown that there exist five Brillouin resonance peaks with ~300 MHz frequency spacing in the Brillouin gain spectrum, which can be classified into two groups physcially attributed to two spatially separated layers of Ge-doped and F-doped regions. These peaks have similar linear dispersion characteristics and their effective acoustic velocities increase monotonically by the order of the peaks. The acousto-optic overlapping efficiency in the fiber is measured to be ~50%, which indicates that the stimulated Brillouin scattering threshold in the HNL-PCF is twofold enhanced. The temperature and strain dependences of the first resonance peak are also investigated, showing the similar behaviors as those in all-silica optical fibers.

© 2012 OSA

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(290.5900) Scattering : Scattering, stimulated Brillouin
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 3, 2012
Revised Manuscript: March 2, 2012
Manuscript Accepted: March 31, 2012
Published: April 30, 2012

Weiwen Zou, Zuyuan He, and Kazuo Hotate, "Experimental investigation on Brillouin scattering property in highly nonlinear photonic crystal fiber with hybrid core," Opt. Express 20, 11083-11090 (2012)

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