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101-102hit(102hit)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
- PAPER
- Vol:
- E75-C No:1
- Page(s):
- 65-69
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.
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
- PAPER
- Vol:
- E75-A No:1
- Page(s):
- 67-71
The characteristics of a LiNbO3 light modulator 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.
