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Cited by 164

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Single-photon router: Coherent control of multichannel scattering for single photons with quantum interferences

Open access
Lu, Jing, Zhou, Lan, Kuang, Le-Man, Nori, Franco·2014·Physical Review A

Abstract

We propose a single-photon router using a single atom with an inversion center coupled to quantum multichannels made of coupled-resonator waveguides. We show that the spontaneous emission of the atom can direct single photons from one quantum channel into another. The on-demand classical field perfectly switches off the single-photon routing due to the quantum interference in the atomic amplitudes of optical transitions. Total reflections in the incident channel are due to the photonic bound state in the continuum. Two virtual channels, named the scatter-free and controllable channels, are found, which are coherent superpositions of quantum channels. Any incident photon in the scatter-free channel is totally transmitted. The propagating states of the controllable channel are orthogonal to those of the scatter-free channel. Single photons in the controllable channel can be perfectly reflected or transmitted by the atom.

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Metadata

Authors
Lu, J., Zhou, L., Kuang, L.-M., & Nori, F.
Venue
Physical Review A
Published
2014-01-07
Volume
89
Issue
1
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
OpenAlex
W2085753873
Cited by
164
References
2
FWCI
7.15
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Single-photon router: Coherent control of multichannel scattering for single photons with quantum interferences. https://app.cochat.ai/papers/10.1103/physreva.89.013805
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Lu, J., Zhou, L., Kuang, L.-M., & Nori, F. (2014). Single-photon router: Coherent control of multichannel scattering for single photons with quantum interferences. Physical Review A. https://doi.org/10.1103/physreva.89.013805

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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