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Proceedings Paper

Photonic crystal coupled-cavity waveguides with asymmetric-defect structure for narrow spectral widths at 1.55 microns
Author(s): John William Zeller; Faquir Jain
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Paper Abstract

A new type of photonic crystal (PC) based coupled-cavity waveguide (CCW), called an asymmetrical-defect coupled-cavity waveguide (AD-CCW), is presented. AD-CCWs produce single mode output with significantly narrower linewidths than conventional symmetrical-defect CCWs. We describe two different AD-CCW designs in two PC material systems: an alternating defect AD-CCW based on a silicon PC, and an incrementing defect AD-CCW based on an InGaAsP PC. The structures are simulated using three-dimensional (3D) finite-difference time-domain (FDTD) calculations. A comparison of AD-CCWs and conventional CCWs is presented based on the simulation results.

Paper Details

Date Published: 13 April 2005
PDF: 8 pages
Proc. SPIE 5733, Photonic Crystal Materials and Devices III, (13 April 2005); doi: 10.1117/12.591038
Show Author Affiliations
John William Zeller, Univ. of Connecticut (United States)
Faquir Jain, Univ. of Connecticut (United States)

Published in SPIE Proceedings Vol. 5733:
Photonic Crystal Materials and Devices III
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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