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Methods for controlling positions of guided modes of photonic-crystal waveguides

Lončar, Marko and Vučković, Jelena and Scherer, Axel (2001) Methods for controlling positions of guided modes of photonic-crystal waveguides. Journal of the Optical Society of America B, 18 (9). pp. 1362-1368. ISSN 0740-3224.

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We analyze different methods for controlling positions of guided modes of planar photonic-crystal waveguides. Methods based both on rearrangements of holes in the photonic-crystal lattice and on changes of hole sizes are presented. The ability to tune frequencies of guided modes within a frequency bandgap is necessary to achieve efficient guiding of light within a waveguide, as well as to match frequencies of eigenmodes of different photonic-crystal-based devices for the purpose of good coupling between them. We observe and explain the appearance of acceptor-type modes in donor-type waveguides.

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Additional Information:© Copyright 2001 Optical Society of America. Received December 6, 2000; revised manuscript received March 23, 2001. The authors thank Tomoyuki Yoshie for many valuable discussions. This research was supported by the U.S. Air Force Office of Scientific Research through contract F49620-98-1-0447 and by the National Science Foundation through contract ECS-9632937.
Subject Keywords:Photonic integrated circuits; Planar waveguides; Numerical approximation and analysis
Issue or Number:9
Record Number:CaltechAUTHORS:LONjosab01
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7677
Deposited By: Archive Administrator
Deposited On:21 Mar 2007
Last Modified:09 Mar 2020 13:19

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