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IEICE TRANSACTIONS on Electronics

A Study on LiNbO3 Light Modulator Using the Resonant YBa2Cu3Oy Superconducting Electrode

Kiichi YOSHIARA, Fusaoki UCHIKAWA, Takashi MIZUOCHI, Tadayoshi KITAYAMA, Katsuhiro IMADA, Iwao KAWAMATA, Shigeru MATSUNO, Shin UTSUNOMIYA

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Summary :

The characteristics of a LiNbO3 light modulafor using the resonant YBa2Cu3Oy superconducting electrode were studied on the basis of the calculated results of surface resistances and transmission losses. The two-fluid model and the conventional transmission theory were used for the calculations. It was found that the modulation depth of this modulator using the YBCO electrode at 77 K was 7.5 times that using the Al electrode at room temperature. The drive voltage for the phase modulation of π radians was estimated to be a very low value of 2.3 V.

Publication
IEICE TRANSACTIONS on Electronics Vol.E75-C No.1 pp.65-69
Publication Date
1992/01/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Joint Special Section on Fundamentals of Next Generation Opto-Technologies)
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