Quantum state engineering by zero-photon subtraction (Conference Presentation)

Cory M. Nunn; Saurabh U. Shringarpure; James D. Franson; Todd B. Pittman

doi:10.1117/12.2632319

3 October 2022 Quantum state engineering by zero-photon subtraction (Conference Presentation)

Cory M. Nunn, Saurabh U. Shringarpure, James D. Franson, Todd B. Pittman

Proceedings Volume PC12238, Quantum Communications and Quantum Imaging XX; PC1223807 (2022) https://doi.org/10.1117/12.2632319
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

Single-photon subtraction (SPS) is useful for engineering optical quantum states and can be accomplished experimentally by heralding on the detection of one photon in the output port of a beamsplitter. Alternatively, conditioning on zero reflected photons modifies states by “zero-photon subtraction” (ZPS). Here we experimentally demonstrate that ZPS reduces the mean photon number of superpositions/mixtures of Fock states. The observed trends in attenuation show a dependence on the Mandel Q parameter for various input states, resulting in complementary behavior between SPS and ZPS. Theoretical results also show higher-order effects on the photon number distribution, beyond reduction in mean photon number.

Conference Presentation

Citation Download Citation

Cory M. Nunn, Saurabh U. Shringarpure, James D. Franson, and Todd B. Pittman "Quantum state engineering by zero-photon subtraction (Conference Presentation)", Proc. SPIE PC12238, Quantum Communications and Quantum Imaging XX, PC1223807 (3 October 2022); https://doi.org/10.1117/12.2632319

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KEYWORDS

Quantum state engineering

Surface plasmons

Beam splitters

Signal attenuation

Single photon detectors

Optical engineering

Photodetectors

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