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Proceedings Paper

Photonic crystal and air trench approaches to realize small-area bends and splitters in low index contrast waveguides
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Paper Abstract

The ability to make small-area bends and splitters in low index contrast waveguide materials is a critical enabler to realize densely integrated planar lightwave circuits (PLCs) in such materials. We discuss two approaches, the first based on photonic crystal (PhC) structures of limited spatial extent and the second on single air trenches. In each case, PhC or air trench regions are used to augment conventional waveguides (CWGs) to permit drastic reductions in overall device size while preserving the traditional advantages of CWGs such as straightforward design for single mode operation, low propagation loss, low fiber coupling loss, low dispersion, and mature microfabrication processes. We show how these approaches can be used to realize example devices having a very small footprint, including Mach-Zender interferometers and ring resonators.

Paper Details

Date Published: 15 October 2004
PDF: 12 pages
Proc. SPIE 5517, Linear and Nonlinear Optics of Organic Materials IV, (15 October 2004); doi: 10.1117/12.559841
Show Author Affiliations
Gregory P. Nordin, Univ. of Alabama in Huntsville (United States)
Seunghyun Kim, Univ. of Alabama in Huntsville (United States)
Lixia Li, Univ. of Alabama in Huntsville (United States)
Jingbo Cai, Univ. of Alabama in Huntsville (United States)
Jianhua Jiang, Univ. of Alabama in Huntsville (United States)


Published in SPIE Proceedings Vol. 5517:
Linear and Nonlinear Optics of Organic Materials IV
Robert A. Norwood; Manfred Eich; Mark G. Kuzyk, Editor(s)

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