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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 19 — Jul. 1, 2013
  • pp: 4541–4548

Mode-coupling analysis and trench design for large-mode-area low-cross-talk multicore fiber

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


Applied Optics, Vol. 52, Issue 19, pp. 4541-4548 (2013)
http://dx.doi.org/10.1364/AO.52.004541


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Abstract

The complete analytical solutions of the mode-coupling dynamics for seven-core multicore fibers (MCFs) with identical cores is proposed. All the coupling coefficients Cmn of adjacent cores and nonadjacent cores as a function of the structural parameters are investigated. It is shown that the coupling coefficients can decrease by adjusting the structural parameters. In addition, the trench-assisted structure could be used for suppressing cross talk in MCF, and the effective area Aeff can be enlarged without degrading the crosstalk properties. Simulations suggest that low cross talk and/or large Aeff could be achieved by adjusting the trench parameters. Large mode area could be obtained by utilizing small trench (small trench width c, small refractive index difference Δtrench) in the trench-assisted MCF (TA-MCF), whereas low cross talk could be achieved by utilizing larger trench (large trench width c, large Δtrench) in the TA-MCF.

© 2013 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2400) Fiber optics and optical communications : Fiber properties
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: February 14, 2013
Manuscript Accepted: May 25, 2013
Published: June 25, 2013

Citation
Siwen Zheng, Guobin Ren, Zhen Lin, and Shuisheng Jian, "Mode-coupling analysis and trench design for large-mode-area low-cross-talk multicore fiber," Appl. Opt. 52, 4541-4548 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-19-4541


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