Bi-junction electro-optic phase shifters

Mohamed Ashour; Eva M. Weig; Jan Niklas Caspers

doi:10.1117/12.3013225

18 June 2024 Bi-junction electro-optic phase shifters

Mohamed Ashour, Eva M. Weig, Jan Niklas Caspers

Proceedings Volume 13012, Integrated Photonics Platforms III; 1301209 (2024) https://doi.org/10.1117/12.3013225
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

In this work, we propose and implement a bi-junction depletion-type silicon electro-optic phase shifter. The phase shifter has a lateral profile of implants, that closely resembles that of a common bipolar junction transistor, and thus, has two polarities. These are acceptor-donor-acceptor (PNP) as well as donor-acceptor-donor (NPN). We realize both variants in IMEC ISIPP50G open-access silicon photonic technology and compare them to lateral and interleaved phase shifters. Both PNP and NPN phase shifters exhibit a V_πL_π figure that is at least 14.47% and up to 45.1% lower than that of the lateral and interleaved phase shifters realized in the same technology. Bi-junction phase shifters can be implemented in any planar silicon photonic technology that offers bipolar implantations within silicon photonic waveguides.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Mohamed Ashour, Eva M. Weig, and Jan Niklas Caspers "Bi-junction electro-optic phase shifters", Proc. SPIE 13012, Integrated Photonics Platforms III, 1301209 (18 June 2024); https://doi.org/10.1117/12.3013225

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