Experimental Demonstration of an ultracompact Polarization Beam Splitter Based on a Bidirectional Grating Coupler

Zhechao Wang; Zhechao Wang; Yongbo Tang; Yongbo Tang; Ning Zhu; Ning Zhu; Lech Wosinski; Lech Wosinski; Daoxin Dai; Urban Westergren; Urban Westergren; Sailing He; Sailing He

doi:10.1364/ACP.2009.TuD3

Asia Communications and Photonics Conference and Exhibition
Technical Digest (CD) (Optica Publishing Group, 2009),
paper TuD3
•https://doi.org/10.1364/ACP.2009.TuD3

Experimental Demonstration of an ultracompact Polarization Beam Splitter Based on a Bidirectional Grating Coupler

Zhechao Wang, Yongbo Tang, Ning Zhu, Lech Wosinski, Daoxin Dai, Urban Westergren, and Sailing He

Asia Communications and Photonics Conference and Exhibition 2009

Shanghai China
2–6 November 2009
ISBN: 978-1-55752-877-3

From the session
SC 02 Best Student Paper Competition (TuD)

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Z. Wang, Y. Tang, N. Zhu, L. Wosinski, D. Dai, U. Westergren, and S. He, "Experimental Demonstration of an ultracompact Polarization Beam Splitter Based on a Bidirectional Grating Coupler," in Asia Communications and Photonics Conference and Exhibition, Technical Digest (CD) (Optica Publishing Group, 2009), paper TuD3.

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Abstract

A bidirectional grating serving both as a polarization beam splitter and a vertical coupler for Silicon on Insulator nanophotonic circuits is fabricated and characterized. The measured coupling efficiency is as high as 43%. The demonstrated device has a large 3-dB bandwidth and a high extinction ratio between two orthogonal polarizations.

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