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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 21 — Nov. 1, 1998
  • pp: 1665–1667

Fabrication of high-rejection low-loss single-passband filters in cladding depressed fiber by the chirped-grating concatenation method

L. Zhang, Y. Liu, I. Bennion, K. Sugden, and L. Dong  »View Author Affiliations


Optics Letters, Vol. 23, Issue 21, pp. 1665-1667 (1998)
http://dx.doi.org/10.1364/OL.23.001665


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Abstract

High-rejection–low-loss single-passband filters have been successfully fabricated by the chirped-grating concatenation method in a cladding depressed fiber. The enhanced photosensitivity, the enlarged bandgap between the Bragg resonance and the cladding modes, and the effective suppression of the cladding-mode outcoupling of the cladding depressed fiber permitted what is to our knowledge the first achievement of an ~1-dB loss in the passband and 50-dB rejection for a 50-nm-wide stop band covering the entire amplified spontaneous emission spectral range of an Er-doped fiber amplifier.

© 1998 America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.4510) Fiber optics and optical communications : Optical communications
(160.2290) Materials : Fiber materials

Citation
L. Zhang, Y. Liu, I. Bennion, K. Sugden, and L. Dong, "Fabrication of high-rejection low-loss single-passband filters in cladding depressed fiber by the chirped-grating concatenation method," Opt. Lett. 23, 1665-1667 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-21-1665

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