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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 10 — May. 15, 2007
  • pp: 1214–1216

Bandwidth-tunable band-rejection filter based on helicoidal fiber grating pair of opposite helicities

Woojin Shin, Bong-Ahn Yu, Young-Chul Noh, Jongmin Lee, Do-Kyeong Ko, and Kyunghwan Oh  »View Author Affiliations


Optics Letters, Vol. 32, Issue 10, pp. 1214-1216 (2007)
http://dx.doi.org/10.1364/OL.32.001214


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Abstract

We have developed a new type of all-fiber band-rejection filter consisting of a helicoidal long-period fiber grating pair of opposite helicities, which provides highly flexible spectral control over the rejection bandwidth. The detailed fabrication method and operation principles of the proposed bandwidth-tunable band-rejection filter are described. The proposed device enables unique rejection bandwidth tuning over more than 14   nm at the rejection level of 15   dB , with low insertion loss and polarization-dependent loss achieved by adjusting torsion stress.

© 2007 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 5, 2007
Revised Manuscript: February 23, 2007
Manuscript Accepted: February 26, 2007
Published: April 17, 2007

Citation
Woojin Shin, Bong-Ahn Yu, Young-Chul Noh, Jongmin Lee, Do-Kyeong Ko, and Kyunghwan Oh, "Bandwidth-tunable band-rejection filter based on helicoidal fiber grating pair of opposite helicities," Opt. Lett. 32, 1214-1216 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-10-1214


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References

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