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Proceedings Paper

Investigation of slow light utilized as optical storage in photonic crystal coupled resonator optical waveguide
Author(s): Changhong Li; Huiping Tian; Yuefeng Ji
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Paper Abstract

The significant effect factor of slow light transmission in photonic crystal coupled resonator optical waveguide has been investigated. The change tendency of guided mode band, group velocity and group delay with the tuning of distance between neighboring cavities have been discussed in detail. The guided mode is flattened clearly and the group velocity decreases sharply with the increasing of cavities distance. When the interval between contiguous cavities is 7 lattice constants of photonic crystal, the ultra small group velocity below 2×10-4c has been obtained. This is roughly two orders of magnitude smaller than that in line defect PC waveguide. The maximal group delay through CROW of 13.23μm with supercell 7×7 exceeds 400ps, which are four orders of magnitude larger than that in traditional waveguide with same length.

Paper Details

Date Published: 20 February 2009
PDF: 7 pages
Proc. SPIE 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration, 727914 (20 February 2009); doi: 10.1117/12.822042
Show Author Affiliations
Changhong Li, Qingdao Univ. (China)
Huiping Tian, Beijing Univ. of Posts & Telecommunications (China)
Yuefeng Ji, Beijing Univ. of Posts & Telecommunications (China)


Published in SPIE Proceedings Vol. 7279:
Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration
Liming Zhang; Michael J. O'Mahony, Editor(s)

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