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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 19 — Oct. 1, 2005
  • pp: 2542–2544

Coupling and decoupling of dual-core photonic bandgap fibers

Zhi Wang, Guiyun Kai, Yange Liu, Jianfei Liu, Chunshu Zhang, Tingting Sun, Chao Wang, Weigang Zhang, Shuzhong Yuan, and Xiaoyi Dong  »View Author Affiliations


Optics Letters, Vol. 30, Issue 19, pp. 2542-2544 (2005)
http://dx.doi.org/10.1364/OL.30.002542


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Abstract

Coupling characteristics of dual-core photonic bandgap fibers with triangular photonic crystal cladding are investigated by use of a vector plane-wave expansion method and a vector finite-element method. We demonstrate the eigenmodes and the coupling length for two orthogonal polarizations. A decoupling phenomenon is found at a certain wavelength in this fiber configuration. The decoupling effect is attributed to the effect of surface modes on the eigenmodes. The decoupling wavelength decreases as the ratio of core radius to cladding air-hole pitch increases from 1.05 to 1.15.

© 2005 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2280) Fiber optics and optical communications : Fiber design and fabrication

ToC Category:
Fiber Optics and Optical Communications

Citation
Zhi Wang, Guiyun Kai, Yange Liu, Jianfei Liu, Chunshu Zhang, Tingting Sun, Chao Wang, Weigang Zhang, Shuzhong Yuan, and Xiaoyi Dong, "Coupling and decoupling of dual-core photonic bandgap fibers," Opt. Lett. 30, 2542-2544 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-19-2542


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