Experimental Demonstration of Quantum Stationary Light Pulses in an Atomic Ensemble
SCIE
SCOPUS
- Title
- Experimental Demonstration of Quantum Stationary Light Pulses in an Atomic Ensemble
- Authors
- Park, Kwang-Kyoon; Cho, Young-Wook; Chough, Young-Tak; Kim, Yoon-Ho
- Date Issued
- 2018-04
- Publisher
- American Physical Society
- Abstract
- We report an experimental demonstration of the nonclassical stationary light pulse (SLP) in a cold atomic ensemble. A single collective atomic excitation is created and heralded by detecting a Stokes photon in the spontaneous Raman scattering process. The heralded single atomic excitation is converted into a single stationary optical excitation or the single-photon SLP, whose effective group velocity is zero, effectively forming a trapped single-photon pulse within the cold atomic ensemble. The single-photon SLP is then released from the atomic ensemble as an anti-Stokes photon after a specified trapping time. The second-order correlation measurement between the Stokes and anti-Stokes photons reveals the nonclassical nature of the single-photon SLP. Our work paves the way toward quantum nonlinear optics without a cavity.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/95914
- DOI
- 10.1103/PhysRevX.8.021016
- ISSN
- 2160-3308
- Article Type
- Article
- Citation
- Physical Review X, vol. 8, no. 2, 2018-04
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