Photon-Pair Generation in a CMOS Microring: Impact of Spontaneous Raman Scattering and Its Mitigation

Anirudh Ramesh; Imbert Wang; Đorđe Gluhović; Danielius Kramnik; Josep M. Fargas Cabanillas; Kim F. Lee; Vladimir Stojanović; Miloš A. Popović; Prem Kumar

doi:10.1364/FIO.2022.FTu6B.2

Frontiers in Optics + Laser Science 2022 (FIO, LS)
Technical Digest Series (Optica Publishing Group, 2022),
paper FTu6B.2
•https://doi.org/10.1364/FIO.2022.FTu6B.2

Photon-Pair Generation in a CMOS Microring: Impact of Spontaneous Raman Scattering and Its Mitigation

Anirudh Ramesh, Imbert Wang, Đorđe Gluhović, Danielius Kramnik, Josep M. Fargas Cabanillas, Kim F. Lee, Vladimir Stojanović, Miloš A. Popović, and Prem Kumar

Frontiers in Optics 2022

Rochester, New York United States
17–20 October 2022
ISBN: 978-1-957171-17-3

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Quantum Photonic Devices I (FTu6B)

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A. Ramesh, I. Wang, Đ. Gluhović, D. Kramnik, J. M. Fargas Cabanillas, K. F. Lee, V. Stojanović, M. A. Popović, and P. Kumar, "Photon-Pair Generation in a CMOS Microring: Impact of Spontaneous Raman Scattering and Its Mitigation," in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper FTu6B.2.

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Abstract

We study spontaneous four-wave mixing and spontaneous Raman scattering (SpRS) in a CMOS microring cavity in the C-band and find that the latter contributes a significant fraction to the signal/idler photon flux. We expect operation in the O-band to be less affected by SpRS due to higher confinement of the O-band light in crystalline Si in this device.

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