Compact polarization beam splitter employing positive/negative refraction based on photonic crystals of pillar type

Liu Liu; Xianyu Ao; Lech Wosinski; Sailing He

doi:10.1117/12.688197

5 October 2006 Compact polarization beam splitter employing positive/negative refraction based on photonic crystals of pillar type

Liu Liu, Xianyu Ao, Lech Wosinski, Sailing He

Author Affiliations +

Proceedings Volume 6352, Optoelectronic Materials and Devices; 635209 (2006) https://doi.org/10.1117/12.688197
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

A polarization beam splitter based on a two-dimensional photonic crystal slab is presented. In the designed photonic crystal, the TE polarization is negatively refracted, while the TM polarization is positively refracted. The photonic crystal is composed of silicon pillars in a triangular lattice. The whole device is very compact (20×20μm²), and is compatible with the planar integration. The measurement results show that the extinction ratio is ~15dB from 1530 to 1610 nm.

Citation Download Citation

Liu Liu, Xianyu Ao, Lech Wosinski, and Sailing He "Compact polarization beam splitter employing positive/negative refraction based on photonic crystals of pillar type", Proc. SPIE 6352, Optoelectronic Materials and Devices, 635209 (5 October 2006); https://doi.org/10.1117/12.688197

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