Sharp edge wavelength filters utilizing multilayer photonic crystals

Yasuo Ohtera; Yoshihiko Inoue; Takayuki Kawashima

doi:10.1364/OE.17.006347

Sharp edge wavelength filters utilizing multilayer photonic crystals

Yasuo Ohtera, Yoshihiko Inoue, Takayuki Kawashima

ENG - Communications Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

A novel configuration of dielectric multilayer wavelength filters for enabling sharp cut-off characteristics is proposed. By applying perturbations to the multilayer structures such as corrugation or lateral film isolation, deep optical stopbands can be created as a result of the coupling between the obliquely and horizontally propagating light waves. Numerical simulation by FDTD revealed that the proposed structure had approximately two to three times larger decay constants than that of unmodulated flat multilayer.

Original language	English
Pages (from-to)	6347-6356
Number of pages	10
Journal	Optics Express
Volume	17
Issue number	8
DOIs	https://doi.org/10.1364/OE.17.006347
Publication status	Published - 2009 Apr 13

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "A novel configuration of dielectric multilayer wavelength filters for enabling sharp cut-off characteristics is proposed. By applying perturbations to the multilayer structures such as corrugation or lateral film isolation, deep optical stopbands can be created as a result of the coupling between the obliquely and horizontally propagating light waves. Numerical simulation by FDTD revealed that the proposed structure had approximately two to three times larger decay constants than that of unmodulated flat multilayer.",

author = "Yasuo Ohtera and Yoshihiko Inoue and Takayuki Kawashima",

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