Y. Jiao, D. Dai, Y. Shi, and S. He
IEEE Photonics Technology Letters, vol. 21, pp. 1538-1540, 2009.
Publication year: 2009


This letter presents a design for shortening the length of a polarization beam splitter (PBS) by using two cascaded multimode interference (MMI) sections with different widths. By optimizing the MMI parameters, a short PBS of good performance is achieved. The total length of the PBS is reduced to about 1/28 of that of a conventional design.

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