Effect of Waveguide Facet Reflection on Hybrid-Integrated Optical Gate Switch

Yasufumi YAMADA  Yasuji OHMORI  Makoto YAMADA  Hiroshi TERUI  Morio KOBAYASHI  

IEICE TRANSACTIONS (1976-1990)   Vol.E72   No.4   pp.282-284
Publication Date: 1989/04/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: Special Section LETTER (Special Issue on 1989 Spring National Convention IEICE)
Category: Optoelectronics

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An influence of a waveguide facet reflection on hybrid-integrated LD gate characteristics was studied. The gate gain is sensitive to a change in the waveguide-gate gap width. An AR coating of the waveguide facet is essential for suppressing the gain-ripple due to a change in the gap width.