| Issue |
EPL
Volume 128, Number 5, December 2019
|
|
|---|---|---|
| Article Number | 54001 | |
| Number of page(s) | 7 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/128/54001 | |
| Published online | 30 January 2020 | |
Amplifying single-photon nonlinearity using thermal light
1 College of Physics, Tonghua Normal University - Tonghua 134000, PRC
2 College of Physics and Electronic Information, Yan'an University - Yan'an 716000, PRC
3 Key Lab of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, and College of Physics, Jilin University - Changchun 130012, PRC
(a) suiyueqiaoqiao@163.com
(b) ligang0311@sina.cn
(c) suxm@jlu.edu.cn
Received: 3 November 2019
Accepted: 6 December 2019
Single-photon nonlinearity effect can be greatly amplified using a thermal light meter. The change of the meter light is just induced by postselection. Large postselection probability can be obtained when the mean photon number of the thermal light is large. A similar reduction phenomenon is revealed, and the large-probability enhancement phenomenon is also found. This scheme can be realized via electromagnetically induced transparency.
PACS: 42.50.Xa – Optical tests of quantum theory / 03.65.Ta – Foundations of quantum mechanics; measurement theory / 42.65.Hw – Phase conjugation; photorefractive and Kerr effects
© EPLA, 2020
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