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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 8, Iss. 10 — Oct. 1, 2010
  • pp: 986–988

Novel modal interferometer based on ring-core photonic crystal fiber

Weiguo Chen, Shuqin Lou, Liwen Wang, and Shuisheng Jian  »View Author Affiliations

Chinese Optics Letters, Vol. 8, Issue 10, pp. 986-988 (2010)

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An original design of ring-core photonic crystal fiber (RPCF) is proposed. By splicing a section of the homemade RPCF between two segments of single mode fibers (SMFs), a simple modal interferometer is presented and experimentally demonstrated. Owing to the effects of the collapsed region, the ring modes in RPCF can be effectively activated. To our knowledge, it is the first time to demonstrate the modal interferometer based on the interference between the ring modes, which is different from the previously reported interferometers based on the interference between core modes or cladding modes. The temperature and strain characteristics of the interferometers with different lengths of RPCF are investigated.

© 2010 Chinese Optics Letters

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

Weiguo Chen, Shuqin Lou, Liwen Wang, and Shuisheng Jian, "Novel modal interferometer based on ring-core photonic crystal fiber," Chin. Opt. Lett. 8, 986-988 (2010)

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