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Appl. Sci. 2017, 7(6), 587; doi:10.3390/app7060587

Photon Propagation through Linearly Active Dimers

1
Instituto Nacional de Astrofísica, Óptica y Electrónica, Calle Luis Enrique Erro No. 1, Sta. Ma. Tonantzintla, Puebla CP 72840, Mexico
2
Photonics and Mathematical Optics Group, Tecnológico de Monterrey, Monterrey 64849, Mexico
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Boris Malomed
Received: 11 March 2017 / Revised: 6 May 2017 / Accepted: 22 May 2017 / Published: 7 June 2017
(This article belongs to the Special Issue Guided-Wave Optics)
View Full-Text   |   Download PDF [2952 KB, uploaded 7 June 2017]   |  

Abstract

We provide an analytic propagator for non-Hermitian dimers showing linear gain or losses in the quantum regime. In particular, we focus on experimentally feasible realizations of the PT -symmetric dimer and provide their mean photon number and second order two-point correlation. We study the propagation of vacuum, single photon spatially-separable, and two-photon spatially-entangled states. We show that each configuration produces a particular signature that might signal their possible uses as photon switches, semi-classical intensity-tunable sources, or spatially entangled sources to mention a few possible applications. View Full-Text
Keywords: PT-symmetric dimer; non-Hermitian dimer; quantum linear dimer; optical waveguide couplers; photon sampling PT-symmetric dimer; non-Hermitian dimer; quantum linear dimer; optical waveguide couplers; photon sampling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Huerta Morales, J.D.; Rodríguez-Lara, B.M. Photon Propagation through Linearly Active Dimers. Appl. Sci. 2017, 7, 587.

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