Photonic crystal waveguides utilizing a modulated lattice structure

Y. Ohtera; T. Kawashima; Y. Sakai; T. Sato; I. Yokohama; A. Ozawa; S. Kawakami

doi:10.1364/OL.27.002158

Photonic crystal waveguides utilizing a modulated lattice structure

Y. Ohtera, T. Kawashima, Y. Sakai, T. Sato, I. Yokohama, A. Ozawa, S. Kawakami

ENG - Communications Engineering

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

10 Citations (Scopus)

Abstract

We experimentally demonstrate a new class of optical waveguide consisting of a-Si/SiO₂ autocloned photonic crystals with modulated lattice structure. The waveguide utilizes the macroscopic form birefringence of photonic crystals and confines light by the difference in the effective refractive index. A monopole modal field with spot diameters of 6.9 μm × 6.5/μm was observed at a wavelength of 1.55 μm. The propagation loss of the waveguide at the wavelength was found to be ∼4.2 dB/mm at most.

Original language	English
Pages (from-to)	2158-2160
Number of pages	3
Journal	Optics Letters
Volume	27
Issue number	24
DOIs	https://doi.org/10.1364/OL.27.002158
Publication status	Published - 2002 Dec 15

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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T1 - Photonic crystal waveguides utilizing a modulated lattice structure

AU - Ohtera, Y.

AU - Kawashima, T.

AU - Sakai, Y.

AU - Sato, T.

AU - Yokohama, I.

AU - Ozawa, A.

AU - Kawakami, S.

PY - 2002/12/15

Y1 - 2002/12/15

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AB - We experimentally demonstrate a new class of optical waveguide consisting of a-Si/SiO2 autocloned photonic crystals with modulated lattice structure. The waveguide utilizes the macroscopic form birefringence of photonic crystals and confines light by the difference in the effective refractive index. A monopole modal field with spot diameters of 6.9 μm × 6.5/μm was observed at a wavelength of 1.55 μm. The propagation loss of the waveguide at the wavelength was found to be ∼4.2 dB/mm at most.

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JF - Optics Letters

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