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 um is figured out, which is different from that of 2186 μm 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.
Original language | English |
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Article number | 60192C |
Journal | Proceedings of SPIE - The International Society for Optical Engineering |
Volume | 6019 II |
DOIs | |
Publication status | Published - 2005 |
Event | Passive Components and Fiber-based Devices II - Shanghai, China Duration: 7 Nov 2005 → 10 Nov 2005 |
Keywords
- Beam Propagation Method (BPM)
- Extinction ratio
- Integrated Acousto-Optic Tunable Filter (IAOTF)
- Linbo
- Polarization Beam Splitter (PBS)
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Guo, J., Cui, F., Cui, J., & Sun, Y. N. (2005). Design and analysis of the Ti:LiNbO3 PBS with the consideration of coupling in the Y-branches. Proceedings of SPIE - The International Society for Optical Engineering, 6019 II, Article 60192C. https://doi.org/10.1117/12.636368