Microwave to optical quantum conversion

Wei Fu; Mingrui Xu; Yuntao Xu; Ayed Al Sayem; Xu Han; Linran Fan; Hong Tang

doi:10.1117/12.2615211

1 March 2022 Microwave to optical quantum conversion

Wei Fu, Mingrui Xu, Yuntao Xu, Ayed Al Sayem, Xu Han, Linran Fan, Hong Tang

Proceedings Volume 12015, Quantum Computing, Communication, and Simulation II; 1201508 (2022) https://doi.org/10.1117/12.2615211
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Microwave and optical photons are two principle carriers for quantum information. Microwave photons can be effectively manipulated by superconducting circuits at milli-Kelvin environments; optical photons transmit information over long distances in optical fibers. Therefore, microwave-to-optical (MO) quantum converters, which interface superconducting qubits and optical photons, represent an indispensable component in future quantum networks. Here, we present our recent efforts on developing integrated gigahertz piezo-optomechanics and electro-optics (EO) MO converters. We demonstrate efficient bi-directional conversion in both schemes at cryogenic temperatures. Moreover, we realized MO conversion with the device in the quantum ground state, while achieving efficient conversion efficiency. Our results represent a substantial step towards faithful microwave to optical quantum conversions.

Conference Presentation

Citation Download Citation

Wei Fu, Mingrui Xu, Yuntao Xu, Ayed Al Sayem, Xu Han, Linran Fan, and Hong Tang "Microwave to optical quantum conversion", Proc. SPIE 12015, Quantum Computing, Communication, and Simulation II, 1201508 (1 March 2022); https://doi.org/10.1117/12.2615211

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