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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 8 — Apr. 15, 2004
  • pp: 812–814

Analysis of a widely tunable long-period grating by use of an ultrathin cladding layer and higher-order cladding mode coupling

Kun-Wook Chung and Shizhuo Yin  »View Author Affiliations


Optics Letters, Vol. 29, Issue 8, pp. 812-814 (2004)
http://dx.doi.org/10.1364/OL.29.000812


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Abstract

A widely tunable long-period grating in single-mode fiber is analyzed by use of an ultrathin cladding layer and higher-order cladding mode coupling. The numerical simulation shows that a 225-nm tuning range in the newly designed ultrathin long-period grating (cladding thickness, 35 μm) with third-order cladding mode coupling can be obtained. The analyzed tuning range is seven times wider than those of the other known long-period gratings. We believe that the proposed highly sensitive long-period grating will be widely used as a gain-flattening filter for ultrawideband optical amplifiers and fast tunable filters in dynamic optical communication systems.

© 2004 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2310) Fiber optics and optical communications : Fiber optics
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers

Citation
Kun-Wook Chung and Shizhuo Yin, "Analysis of a widely tunable long-period grating by use of an ultrathin cladding layer and higher-order cladding mode coupling," Opt. Lett. 29, 812-814 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-8-812

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