Novel polarization beam splitter based on p-i-n structure for an indium phosphide platform

Abadia, Nicolas ORCID: https://orcid.org/0000-0002-7355-4245, Dai, Xiangyang, Lu, Qiaoyin, Guo, Wei-Hua, El-Fiky, Eslam, Plant, David V. and Donegan, John F. 2017. Novel polarization beam splitter based on p-i-n structure for an indium phosphide platform. Presented at: 2017 19th International Conference on Transparent Optical Networks (ICTON), Girona, Catalonia, Spain, 2-6 July 2017. 2017 19th International Conference on Transparent Optical Networks (ICTON). 2015 17th International Conference on Transparent Optical Networks (ICTON). IEEE, 10.1109/ICTON.2017.8024837

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Abstract

In this paper, a polarization beam splitter (PBS) based on the indium phosphide (InP) platform is presented. The main advantage of the device is that the tight fabrication tolerances of fully passive devices can be overcome by adjusting two voltages in an easy calibration. To produce the splitting function, the Pockels effect and the plasma dispersion effect are exploited in the phase shifters of a symmetric 1×2 Mach-Zehnder interferometer (MZI). The experimental results show that such a device operating at 1550 nm has an on-chip loss of 3.5 dB and a polarization extinction ratio better than 15 dB.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	IEEE
ISBN:	978-1-5386-0859-3
ISSN:	2161-2064
Last Modified:	24 Oct 2022 08:15
URI:	https://orca.cardiff.ac.uk/id/eprint/117266

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