Polarization beam splitter based on cascaded step-size multimode interference coupler

Yawen Huang; Zhao Tu; Xuaxiang Yi; Yanping Li; Xingjun Wang

doi:10.1117/1.OE.52.7.077103

15 July 2013 Polarization beam splitter based on cascaded step-size multimode interference coupler

Yawen Huang, Zhao Tu, Xuaxiang Yi, Yanping Li, Xingjun Wang

Author Affiliations +

Optical Engineering, Vol. 52, Issue 7, 077103 (July 2013). https://doi.org/10.1117/1.OE.52.7.077103

Abstract

A polarization beam splitter (PBS) based on cascaded step-size multimode interference (MMI) coupler is demonstrated on silicon on insulator. The total area of MMI sections is smaller than 7×600 μm ² . This PBS shows 25-nm bandwidth for transverse-electric polarization and 20-nm bandwidth for transverse-magnetic polarization with an extinction ratio more than 20 dB. The length of this PBS is reduced to about one ninth of that of the conventional design in MMI sections.

Citation Download Citation

Yawen Huang, Zhao Tu, Xuaxiang Yi, Yanping Li, and Xingjun Wang "Polarization beam splitter based on cascaded step-size multimode interference coupler," Optical Engineering 52(7), 077103 (15 July 2013). https://doi.org/10.1117/1.OE.52.7.077103

Published: 15 July 2013

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