LiNbO3 Optical Modulator with Superconducting Electrodes

Keiji YOSHIDA  Katsuhiko IKEDA  Yutaka KANDA  

IEICE TRANSACTIONS on Electronics   Vol.E75-C   No.8   pp.894-899
Publication Date: 1992/08/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Cryogenic Microwave Devices)
Category: Passive Devices
LiNbO3 optical modulator,  superconducting electrodes,  

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Low temperature experiments have been made to demonstrate the operation of LiNbO3 optical modulator with superconducting electrodes. The operation of the modulator for applied dc signals as well as microwave signals in the frequency range between 8 GHz and 12 GHz has been observed at temparatures as low as 4.2 K. The present results indicate a possibility of realizing high performance LiNbO3 optical modulators employing superconducting electrodes.