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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 5 — Mar. 1, 2013
  • pp: 781–783

Resonant coupling in trenched bend-insensitive optical fiber

Guobin Ren, Zhen Lin, Siwen Zheng, and Shuisheng Jian  »View Author Affiliations

Optics Letters, Vol. 38, Issue 5, pp. 781-783 (2013)

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We report in this Letter the resonant coupling mechanism in bending trenched bend-insensitive fiber (BIF). It is found that among the trench parameters, the core-trench distance is predominant for optimized BIF design. We reveal that resonant coupling is an intrinsic characteristic of bending trenched BIF, and resonant coupling between the fiber core and the innermost cladding would limit the ultimate bending loss of BIF under tight bend. Resonant coupling is also present in double-trenched BIF, and would impair its bending performance.

© 2013 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2430) Fiber optics and optical communications : Fibers, single-mode

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 7, 2013
Revised Manuscript: February 1, 2013
Manuscript Accepted: February 4, 2013
Published: February 28, 2013

Guobin Ren, Zhen Lin, Siwen Zheng, and Shuisheng Jian, "Resonant coupling in trenched bend-insensitive optical fiber," Opt. Lett. 38, 781-783 (2013)

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