Foundry-fabricated silicon source of broadband polarization entanglement

Alexander Miloshevsky, Lucas M. Cohen, Karthik V. Myilswamy,Saleha Fatema,Muneer Alshowkan,Hsuan-Hao Lu,Andrew M. Weiner,Joseph M. Lukens

2023 IEEE PHOTONICS CONFERENCE, IPC（2023）

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摘要

We present a CMOS-fabricated photonic integrated circuit tailored to the generation of ultrabroadband polarization-entangled photons. This fully on-chip source leverages a novel design combining polarization splitter-rotators and a bidirectionally pumped microring resonator to produce high-fidelity polarization Bell states over 115 frequency-bin pairs spaced 38.4 GHz apart. (c) 2023 The Author(s)

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