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Proceedings Paper

Characterizations of Zn-diffused lithium niobate directional coupler by post thermal treatment
Author(s): RueyChing Twu; Way-Seen Wang
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Paper Abstract

A study of find adjustment of the coupling coefficient of Zn-diffused directional couplers on Z-cut lithium niobate substrate by a series of post thermal-treatment is presented for the first time. Optical mode profiles and propagation losses before and after the treatments are measured for the 1.32 (mu) m wavelength. Experimental results show that the post thermal-treatment is quite efficient for fine adjustment of the cross coupling power ration of the directional coupler.

Paper Details

Date Published: 11 July 2000
PDF: 8 pages
Proc. SPIE 4078, Optoelectronic Materials and Devices II, (11 July 2000); doi: 10.1117/12.392172
Show Author Affiliations
RueyChing Twu, National Taiwan Univ. (Taiwan)
Way-Seen Wang, National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 4078:
Optoelectronic Materials and Devices II
Yan-Kuin Su; Pallab Bhattacharya, Editor(s)

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