Design Consideration for Guided-Wave Light Modulators with Coplanar Waveguide Type Electrodes

Masayuki IZUTSU  Hidetoshi NAKANISHI  Tadasi SUETA  

Publication
IEICE TRANSACTIONS (1976-1990)   Vol.E69   No.4   pp.415-417
Publication Date: 1986/04/25
Online ISSN: 
DOI: 
Print ISSN: 0000-0000
Type of Manuscript: Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Optical Measurement and Others
Keyword: 


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Summary: 
The modulation performance of traveling-wave type LiNbO3 guided-wave light modulators with coplanar waveguide structure is studied. The analysis shows that the use of a y-cut plate offers a low voltage modulation with decreased electrode separation although the characteristic impedance becomes low.