Nondestructive Evaluation of Coupling Constants in Singlemode Optical Thannel Waveguides

Makoto Tsubokawa, Mitsuhiro Tateda, Nori Shibata, Masao Kawachi

研究成果: Article

抄録

A nondestructive method is proposed for evaluating power coupling coefficients at directional couplers contained in an optical integrated circuit. This technique, which is based on optical heterodyne interferometry, makes it possible to obtain individual coupler element information without removing the element from the optical circuit. General N-channel waveguide coupling characteristics are analyzed, and they are experimentally evaluated for two-and four-channel waveguides that have been practically designed as frequency multi/demultiplexers operating in the 1.55-μm-wavelength region.

本文言語English
ページ(範囲)1209-1216
ページ数8
ジャーナルJournal of Lightwave Technology
6
7
DOI
出版ステータスPublished - 1988 7
外部発表はい

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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