Zero-photon subtraction: a useful tool for quantum communication

Todd B. Pittman

doi:10.1117/12.2615433

9 March 2022 Zero-photon subtraction: a useful tool for quantum communication

Todd B. Pittman

Proceedings Volume PC12015, Quantum Computing, Communication, and Simulation II; PC1201514 (2022) https://doi.org/10.1117/12.2615433
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

The process of single-photon subtraction --essentially an implementation of the annihilation operator-- is known to be a useful tool for manipulating quantum optical states. Somewhat surprisingly, subtracting zero photons can also alter the properties of certain quantum states, and forms the bases of a noiseless attenuation process that is useful for quantum communication. Here we review our recent experimental work in this area, which uses parametric down-conversion sources and heralding signals based on the active detection of zero photons.

Conference Presentation

Citation Download Citation

Todd B. Pittman "Zero-photon subtraction: a useful tool for quantum communication", Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC1201514 (9 March 2022); https://doi.org/10.1117/12.2615433

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