Three-dimensional metallic photonic crystals fabricated by soft lithography for midinfrared applications

We present an efficient method of fabricating freestanding three-dimensional metallic photonic crystals using soft lithography. Low cost and ease of fabrication are achieved through gold sputter deposition on a freestanding woodpile polymer template. We compare experimental results to theoretical ca...

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Bibliographic Details
Published in:Applied physics letters 2006-05, Vol.88 (18)
Main Authors: Lee, Jae-Hwang, Kim, Chang-Hwan, Kim, Yong-Sung, Ho, Kai-Ming, Constant, Kristen, Oh, Cha Hwan
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COST
CRYSTALS
DEPOSITION
FABRICATION
GOLD
LAYERS
POLYMERS
THREE-DIMENSIONAL CALCULATIONS
WAVELENGTHS
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Summary:We present an efficient method of fabricating freestanding three-dimensional metallic photonic crystals using soft lithography. Low cost and ease of fabrication are achieved through gold sputter deposition on a freestanding woodpile polymer template. We compare experimental results to theoretical calculations for tetragonal and face-centered-tetragonal structures as a function of the number of layers. The photonic crystals behave like full metallic structures with a photonic band edge at a wavelength of 3.5μm. The rejection rates of the structures are about 10dB/layer.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2201621