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Quantum and classical control of single photon states via a mechanical resonator

Sahar Basiri-Esfahani, Casey R Myers, Joshua Combes, G J Milburn, Sahar Basiri Esfahani Orcid Logo

New Journal of Physics, Volume: 18, Issue: 6, Start page: 063023

Swansea University Author: Sahar Basiri Esfahani Orcid Logo

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DOI (Published version): 10.1088/1367-2630/18/6/063023

Abstract

Optomechanical systems typically use light to control the quantum state of a mechanical resonator. In this paper, we propose a scheme for controlling the quantum state of light using the mechanical degree of freedom as a controlled beam splitter. Preparing the mechanical resonator in non-classical s...

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Published in: New Journal of Physics
ISSN: 1367-2630
Published: 2016
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa39967
Abstract: Optomechanical systems typically use light to control the quantum state of a mechanical resonator. In this paper, we propose a scheme for controlling the quantum state of light using the mechanical degree of freedom as a controlled beam splitter. Preparing the mechanical resonator in non-classical states enables an optomechanical Stern–Gerlach interferometer. When the mechanical resonator has a small coherent amplitude it acts as a quantum control, entangling the optical and mechanical degrees of freedom. As the coherent amplitude of the resonator increases, we recover single photon and two-photon interference via a classically controlled beam splitter. The visibility of the two-photon interference is particularly sensitive to coherent excitations in the mechanical resonator and this could form the basis of an optically transduced weak-force sensor.
Keywords: optomechanics, single photon, quantum control, classical control, single photon measurement, one-photon and two-photon interferometry
College: Faculty of Science and Engineering
Issue: 6
Start Page: 063023

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