Photon-Pair Generation in a 45 nm CMOS Microring Cavity: Impact of Spontaneous Raman Scattering

Anirudh Ramesh,Imbert Wang,Danielius Kramnik,Josep M. Fargas Cabanillas,Vladimir Stojanović,Miloš A. Popović,Prem Kumar

Quantum 2.0 Conference and Exhibition（2022）

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摘要

We characterize the impact of spontaneous Raman scattering (SRS) on photon-pair generation via spontaneous four-wave mixing (SFWM) in a CMOS microring cavity by analyzing the single counts in each channel to separate out the contribution of SRS from SFWM. We find the contribution of SRS to the photon counts to be low compared to that from SFWM.

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