Reflection minimization at two-dimensional photonic crystal interfaces

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We propose a method to design antireflection structures to minimize the reflection of light beams at the interfaces between a two-dimensional photonic crystal and a homogeneous dielectric. The design parameters of the optimal structure to give zero reflection can be obtained from the one-dimensional antireflection coating theory and the finite-difference time-domain simulations. We examine the performance of a Mach-Zehnder interferometer utilizing the self-collimated beams in two-dimensional photonic crystals with and without the optimal antireflection structure introduced. It is shown that the optimal antireflection structure significantly improves the performance of the device. (c) 2008 Optical Society of America.
Publisher
Optical Soc Amer
Issue Date
2008-03
Language
English
Article Type
Article
Keywords

SELF-COLLIMATED BEAMS; SUPERPRISM PHENOMENA; SPLITTER

Citation

OPTICS EXPRESS, v.16, no.6, pp.4270 - 4277

ISSN
1094-4087
DOI
10.1364/OE.16.004270
URI
http://hdl.handle.net/10203/20865
Appears in Collection
PH-Journal Papers(저널논문)
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