NDLI: Unified Approach for Coupling to Cladding and Radiation Modes in Fiber Bragg and Long-Period Gratings

Content Provider	IEEE Xplore Digital Library
Author	Yu-Chun Lu Li Yang Wei-Ping Huang Shui-Sheng Jian
Copyright Year	1983
Abstract	Couplings of core mode to guided cladding and unguided radiation modes in fiber Bragg and long-period gratings are investigated by a unified approach based on complex mode matching method (CMMM). With the combination of the perfectly matched layer (PML) and the perfectly reflecting boundary (PRB), the continuous radiation modes can be well represented by a set of discrete complex modes so that simulation of coupling to radiation modes is greatly simplified and may be treated in the same fashion as guided modes. Numerical results of fiber Bragg and long-period gratings with refractive index of the outer cladding lower, equal, and higher than that of the inner cladding indicate that the unified approach is highly effective in the simulation of couplings to cladding and radiation modes.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	1461
Ending Page	1468
Page Count	8
File Size	675210
File Format	PDF
ISSN	07338724
Volume Number	27
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fiber gratings Bragg gratings Refractive index Optical fiber communication Mode matching methods Perfectly matched layers Educational technology Laboratories All-optical networks Computer science education radiation mode Cladding mode complex mode complex mode matching method (CMMM) fiber Bragg gratings (FBGs) long-period fiber gratings (LPFGs) mode coupling perfectly matched layer (PML)
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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