Classical reconstruction of interference patterns of position-wave-vector--entangled photon pairs by the time-reversal method

Classical reconstruction of interference patterns of position-wave-vector–entangled photon pairs by the time-reversal method

Kazuhisa Ogawa, Hirokazu Kobayashi, and Akihisa Tomita

Phys. Rev. A 97, 023823 – Published 13 February 2018

Abstract

The quantum interference of entangled photons forms a key phenomenon underlying various quantum-optical technologies. It is known that the quantum interference patterns of entangled photon pairs can be reconstructed classically by the time-reversal method; however, the time-reversal method has been applied only to time-frequency–entangled two-photon systems in previous experiments. Here, we apply the time-reversal method to the position-wave-vector–entangled two-photon systems: the two-photon Young interferometer and the two-photon beam focusing system. We experimentally demonstrate that the time-reversed systems classically reconstruct the same interference patterns as the position-wave-vector–entangled two-photon systems.

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Received 10 November 2017

DOI:https://doi.org/10.1103/PhysRevA.97.023823

Physics Subject Headings (PhySH)

Photon pairs & parametric down-conversion

Imaging & optical processing Optical second-harmonic generation

Atomic, Molecular & Optical

Authors & Affiliations

Kazuhisa Ogawa^1,*, Hirokazu Kobayashi², and Akihisa Tomita¹

¹Graduate School of Information Science and Technology, Hokkaido University, Sapporo 060-0814, Japan
²School of System Engineering, Kochi University of Technology, Tosayamada-cho, Kochi 782-8502, Japan

^*ogawak@ist.hokudai.ac.jp

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Vol. 97, Iss. 2 — February 2018

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Physical Review A

covering atomic, molecular, and optical physics and quantum information