Tunable single-photon quantum router



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Ahumada, M. and Orellana, P. A. and Domínguez-Adame Acosta, Francisco and Malyshev, Andrey (2019) Tunable single-photon quantum router. Physical review A, 99 (3). ISSN 2469-9926

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Official URL: http://dx.doi.org/10.1103/PhysRevA.99.033827


We propose an efficient single-photon router comprising two resonator waveguide channels coupled by several sequential cavities with embedded three-level atoms. We show that the system can operate as a perfect four-way single-photon switch. We also demonstrate that an incident single photon propagating in one of the waveguides can be routed into one or the other output channels; such routing can be controlled by the external classical electromagnetic field driving the atoms. We argue that, under appropriate conditions, the efficiency of such routing can be close to 100% within a broad operational bandwidth, suggesting various applications in photonics.

Item Type:Article
Additional Information:

Work in Madrid was supported by MINECO (Grant No. MAT2016-75955). M.A. acknowledges financial support from a PIIC-UTFSM grant, DGIIP UTFSM, and CONICYT Doctorado Nacional through Grant No. 21141185.

Uncontrolled Keywords:Atoms; Optics; Physics, Atomic, Molecular; Chemical
Subjects:Sciences > Physics > Solid state physics
Sciences > Physics > Mathematical physics
ID Code:55298
Deposited On:22 May 2019 16:13
Last Modified:23 May 2019 09:16

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