Stratified waveguide grating coupler for normal fiber incidence

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Permanent URL	http://hdl.lib.byu.edu/1877/532
Title	Stratified waveguide grating coupler for normal fiber incidence
BYU Creator	Nordin, Gregory P.
Creator	Chambers, D. M. Jiang, J. Wang, B.
Keywords	SWGC; planar waveguide; intermediate optics
Description/Abstract	We propose a new stratified waveguide grating coupler (SWGC) to couple light from a fiber at normal incidence into a planar waveguide. SWGCs are designed to operate in the strong coupling regime without intermediate optics between the fiber and the waveguide. Two-dimensional finite-difference time-domain simulation in conjunction with microgenetic algorithm optimization shows that about 72% coupling efficiency is possible for fiber (core size of 8.3 μm and ∆=0.36%) to slab waveguide (1.2- μm core and ∆=3.1%) coupling. We show that the phase-matching and Bragg conditions are simultaneously satisfied through the fundamental leaky mode.
Source	B. Wang, J. Jiang, D. M. Chambers, and G. P. Nordin, "Stratified waveguide grating coupler for normal fiber incidence" Opt. Lett., 30(8), pp. 845-847 (2005);
Publisher	Optical Society of America
Date Original	2005
Date Digital	2007-08-27
Language	English eng en
Publication Type	Peer-Reviewed Articles
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	Ira A. Fulton College of Engineering and Technology
BYU Department	Electrical and Computer Engineering
Copyright Status	(c) 2005 Optical Society of America;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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Stratified waveguide grating coupler for normal fiber incidence

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