Optical modulator and optical transmission device using optical modulator

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United States of America Patent

PATENT NO 9977266
SERIAL NO

15441733

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Abstract

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A substrate (102) having a piezoelectric effect, optical waveguide (138a, 140a, 138b, 140b, and the like) formed on the substrate, and a plurality of bias electrodes (152a, 152b, and the like) that control an optical wave (s) which propagate through the optical waveguides are provided, and the bias electrodes are constituted and/or disposed such that an electrical signal applied to one of the bias electrodes is prevented from being received by another one of the bias electrodes through a surface acoustic wave.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO OSAKA CEMENT CO LTD6-28 ROKUBANCHO CHIYODA-KU TOKYO 102-8465

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sugamata, Toru Tokyo, JP 63 148

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