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Proceedings Paper

Design and analysis of the Ti:LiNbO3 PBS with the consideration of coupling in the Y-branches
Author(s): Jian Guo; Fang Cui; Jianmin Cui; Yu-nan Sun
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Paper Abstract

By means of the coupling mode theory and the method of the extension of coupling coefficient, the corresponding coupling model is corrected for PBS. Considering the angle of the two Y-branch waveguides in PBS, the coupling length of 1430 is figured out, which is different from that of 2186μm without considering of the coupling in the Y branches in the previous design. And the simulation of the device performances are carried out by beam propagation method (BPM), the extinction ratio of the TE and TM mode is -26dB and -23dB, respectively.

Paper Details

Date Published: 5 December 2005
PDF: 7 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60192C (5 December 2005); doi: 10.1117/12.636368
Show Author Affiliations
Jian Guo, Beijing Institute of Technology (China)
Fang Cui, Beijing Institute of Technology (China)
Jianmin Cui, Beijing Institute of Technology (China)
Yu-nan Sun, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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