Modifying quantum optical states by zero-photon subtraction

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PhysRevA.105.033702.pdf (840.35 KB)

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https://journals.aps.org/pra/abstract/10.1103/PhysRevA.105.033702

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https://doi.org/10.1103/PhysRevA.105.033702
 https://mdsoar.org/handle/11603/24076

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UMBC Physics Department
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Author/Creator ORCID

https://orcid.org/0000-0002-3269-1091
 https://orcid.org/0000-0001-8712-3051

Date

2021-12-22

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journal articles
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Citation of Original Publication

Nunn, C. M., J. D. Franson and T. B. Pittman. "Modifying quantum optical states by zero-photon subtraction." Phys. Rev. A 105, no. 3 (2 March 2022). https://doi.org/10.1103/PhysRevA.105.033702

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May be used only for educational or research purposes.

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UMBC Quantum Information Group

Abstract

The process of single-photon subtraction (SPS) is known to dramatically alter the properties of certain quantum optical states. Somewhat surprisingly, subtracting zero photons can also modify quantum states and has practical applications in quantum communication. Here we experimentally investigate zero-photon subtraction (ZPS) using a wide variety of input states and conditional measurements based on actively detecting zero photons in one output port of a variable beamsplitter. We find that SPS and ZPS can exhibit complementary behavior depending on the photon statistics of the input states, and highlight deeper connections with Mandel’s Q-parameter for classifying quantum states.