Design and analysis of the Ti:LiNbO<sub>3</sub> PBS with the consideration of coupling in the Y-branches

Jian Guo; Fang Cui; Jianmin Cui; Yu-nan Sun

doi:10.1117/12.636368

5 December 2005 Design and analysis of the Ti:LiNbO₃ PBS with the consideration of coupling in the Y-branches

Jian Guo, Fang Cui, Jianmin Cui, Yu-nan Sun

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 60192C (2005) https://doi.org/10.1117/12.636368
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

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.

Citation Download Citation

Jian Guo, Fang Cui, Jianmin Cui, and Yu-nan Sun "Design and analysis of the Ti:LiNbO₃ PBS with the consideration of coupling in the Y-branches", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60192C (5 December 2005); https://doi.org/10.1117/12.636368

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