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   Home  List of Issues    Issue 01 , Vol. 01 , 2003    Article Abstract

Wavelength switching in a mixed structure of a long-period and a Bragg fiber gratings
Chih-Nan Lin, Yean-Woei Kiang, and C. C. Yang
Chinese Optics Letters , Vol.01 , Issue 01 , PP.6-6(2003)

Keywords(OCIS Code)
050.2770 (gratings), 060.2340 (fiber optics components).

We built a numerical model for evaluating the coupling processes of a mixed structure of a Bragg fiber grating and a long-period grating. From the numerical results, we not only confirmed the wavelength switching phenomena observed in previously reported experiments, but also discovered a new coupling mechanism, which generated the reflection of a signal with its wavelength longer than the Bragg wavelength. The dependencies of the wavelength switching behaviors on various parameters of the mixed grating structure were demonstrated. Such results should be useful for optimizing the design of such a potentially useful fiber component.

©2003-2007 Chinese Optics Letters

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Manuscript Accepted:2002-11-1
Revised Manuscript:
Published :

Column:fiber optics and optical communications
Note: This research was supported by National Science Council, under the grants of NSC 90-2215-E-002-029, NSC 90-2112-M-002-052, NSC 90-2215-E-002-027, and NSC 90-2215-E-002-041. C. C. Yang is to whom the correspondence should be addressed, his e-mail address is ccy@cc.ee.ntu.edu.tw.


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