Journal article 743 views 117 downloads
Quantum and classical control of single photon states via a mechanical resonator
New Journal of Physics, Volume: 18, Issue: 6, Start page: 063023
Swansea University Author:
Sahar Basiri Esfahani
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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...
| Published in: | New Journal of Physics |
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| ISSN: | 1367-2630 |
| Published: |
2016
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa39967 |
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| 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. |
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| 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 |