Filtering Properties of Multilayered Thin-Film Optical Tunable Couplers Using Surface Acoustic Waves

Nobuo GOTO  Yasumitsu MIYAZAKI  Yasuo AKAO  

IEICE TRANSACTIONS (1976-1990)   Vol.E64   No.9   pp.602-603
Publication Date: 1981/09/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics

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Filtering properties of multilayered optical tunable couplers and appropriate material composition are theoretically studied. In the structure of ZnS/Ta2O5/Nb2O5 films on a LiNbO3 substrate, narrow bandpass filter of the width 5 can be realized by using acoustic power of several tens mW.