Current Optics and Photonics

Optical Society of Korea (한국광학회)
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Quantum Coherent Dissociation in a Hybrid Atom-light System with Photon Loss

  • Xiaoyang Yuan (School of Science, Zhejiang University of Science and Technology) ;
  • Jialu Yin (School of Science, Zhejiang University of Science and Technology) ;
  • Jiahao Xu (School of Science, Zhejiang University of Science and Technology) ;
  • Yixiao Huang (School of Science, Zhejiang University of Science and Technology) ;
  • Zhengda Hu (School of Science, Jiangnan University)
  • Received : 2023.11.10
  • Accepted : 2024.01.20
  • Published : 2024.02.25
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Abstract

We investigate the effect of photon loss on pair production in a hybrid atom-light system. The loss of light field not only affects the generation of photons, but also prevents the generation of atomic collective excitation, although the atoms are not influenced directly. We propose an unbalanced homodyne detection of the number of atomic collective excitation that overcomes the challenge caused by counting uncertainty in practical measurement. In discussion, we show that the intermode correlations and the number correlation is closely related to the initial input state, while the quadrature correlations are independent of the initial state and always exhibit opposite intermode correlations even in the presence of loss.

Keywords

Acknowledgement

The Natural Science Foundation of Zhejiang Province (Grant No.LY22A050002).

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