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Cryogenic operation of silicon photonic modulators based on the DC Kerr effect

Author(s)
Chakraborty, Uttara; Carolan, Jacques J; Clark, Genevieve; Bunandar, Darius; Gilbert, Gerald; Notaros, Jelena; Watts, Michael; Englund, Dirk R.; ... Show more Show less
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Abstract
Reliable operation of photonic integrated circuits at cryogenic temperatures would enable new capabilities for emerging computing platforms, such as quantum technologies and low-power cryogenic computing. The silicon-on-insulator platform is a highly promising approach to developing large-scale photonic integrated circuits due to its exceptional manufacturability, CMOS compatibility, and high component density. Fast, efficient, and low-loss modulation at cryogenic temperatures in silicon, however, remains an outstanding challenge, particularly without the addition of exotic nonlinear optical materials. In this paper, we demonstrate DC-Kerr-effect-based modulation at a temperature of 5 K at GHz speeds, in a silicon photonic device fabricated exclusively within a CMOS-compatible process. This work opens up a path for the integration of DC Kerr modulators in large-scale photonic integrated circuits for emerging cryogenic classical and quantum computing applications.
Date issued
2020-10
URI
https://hdl.handle.net/1721.1/128923
Department
Massachusetts Institute of Technology. Research Laboratory of Electronics; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
Optica
Publisher
Optical Society of America (OSA)
Citation
Chakraborty, Uttara et al. "Cryogenic operation of silicon photonic modulators based on the DC Kerr effect." Optica 7, 10 (October 2020): 1385-1390 © 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Version: Final published version
ISSN
2334-2536

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