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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 3 — Mar. 1, 2010
  • pp: 259–261

Band-rejection filter based on a Bragg fiber with a defect layer

Zhongjiao He  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 3, pp. 259-261 (2010)


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Abstract

A novel band-rejection filter based on a Bragg fiber with a defect layer is proposed. A defect layer is introduced in the periodic high/low index layers in the cladding of the Bragg fiber, which results in large confinement loss for some resonant wavelengths inside the band gap range of the Bragg fiber. A segment of the Bragg fiber with a defect layer can be used as a band-rejection filter, whose characteristics are mainly determined by the structure of the Bragg fiber. The simulation results show that the bandwidth of such a band-rejection filter is dependent on the number of the periodic high/low index layers in both sides of the defect layer in the cladding of the Bragg fiber.

© 2010 Chinese Optics Letters

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2310) Fiber optics and optical communications : Fiber optics
(120.2440) Instrumentation, measurement, and metrology : Filters

Citation
Zhongjiao He, "Band-rejection filter based on a Bragg fiber with a defect layer," Chin. Opt. Lett. 8, 259-261 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-3-259

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