Sharp edge wavelength filters utilizing multilayer photonic crystals

Yasuo Ohtera, Yoshihiko Inoue, Takayuki Kawashima

Research output: Contribution to journalArticlepeer-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 languageEnglish
Pages (from-to)6347-6356
Number of pages10
JournalOptics Express
Volume17
Issue number8
DOIs
Publication statusPublished - 2009 Apr 13

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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