Coupled double-layer Fano resonance photonic crystal filters with lattice-displacement

We present here ultra-compact high-Q Fano resonance filters with displaced lattices between two coupled photonic crystal slabs, fabricated with crystalline silicon nanomembrane transfer printing and aligned e-beam lithography techniques. Theoretically, with the control of lattice displacement betwee...

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Bibliographic Details
Published in:Applied physics letters 2013-12, Vol.103 (24)
Main Authors: Shuai, Yichen, Zhao, Deyin, Singh Chadha, Arvinder, Seo, Jung-Hun, Yang, Hongjun, Fan, Shanhui, Ma, Zhenqiang, Zhou, Weidong
Format: Article
Language:English
Subjects:
Applied physics
Crystal filters
Crystal lattices
CRYSTALS
DESIGN
Displacements (lattice)
ELECTRON BEAMS
Fano resonance
Filter design (mathematics)
MATERIALS SCIENCE
OPTICAL FILTERS
Photonic crystals
Q factors
Quantum theory
RESONANCE
SILICON
SLABS
Transfer printing
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Description
Summary:We present here ultra-compact high-Q Fano resonance filters with displaced lattices between two coupled photonic crystal slabs, fabricated with crystalline silicon nanomembrane transfer printing and aligned e-beam lithography techniques. Theoretically, with the control of lattice displacement between two coupled photonic crystal slabs layers, optical filter Q factors can approach 211 000 000 for the design considered here. Experimentally, Q factors up to 80 000 have been demonstrated for a filter design with target Q factor of 130 000.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4846475