Proceedings Article10.1364/quantum.2023.qth4a.2
Zero-Photon Subtraction
TL;DR: Zero-photon subtraction alters the statistical properties of a quantum optical state, leading to potential applications in quantum communications.
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Abstract: Removing exactly zero photons from a quantum optical state can produce significant changes in its statistical properties. We review our recent experimental and theoretical results in this area, which have applications in quantum communications.
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References
Subtracting photons from arbitrary light fields: experimental test of coherent state invariance by single-photon annihilation
TL;DR: In this paper, the effects of single-photon annihilation on some paradigmatic light states are investigated. And the invariance of coherent states by this operation is demonstrated by providing the first direct verification of their definition as eigenstates of the photon annihilation operator.
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Noiseless loss suppression in quantum optical communication.
Michal Mičuda,Ivo Straka,Martina Miková,Miloslav Dušek,Nicolas J. Cerf,Jaromír Fiurášek,Miroslav Ježek +6 more
TL;DR: A protocol for conditional suppression of losses in direct quantum state transmission over a lossy quantum channel, which keeps quantum coherence in the subspace spanned by vacuum and single-photon states is proposed.
Heralding on the detection of zero photons
TL;DR: In this article, the National Science Foundation (NSF) funded grant number PHY-2013464 was used to support the work of the authors. But this work was supported by the National Research Council (NRCC).
16
Modifying quantum optical states by zero-photon subtraction
02 Mar 2022
TL;DR: In this article , the authors 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.