Correlation signatures for a coherent three-photon scattering in waveguide quantum electrodynamics

We study the correlation signatures of a coherent three-photon scattering process by computationally investigating scattering photon wavefunctions, correlation functions, and nonlinear conditional phases. It is shown that both the three-photon bound states and the hybrid states, which consist of two...

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Bibliographic Details
Published in:Optics letters 2020-05, Vol.45 (9), p.2559-2562
Main Authors: Chen, Zihao, Zhou, Yao, Shen, Jung-Tsung
Format: Article
Language:English
Subjects:
Coherent scattering
Correlation analysis
Photons
Quantum electrodynamics
Signatures
Wave functions
Waveguides
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Summary:We study the correlation signatures of a coherent three-photon scattering process by computationally investigating scattering photon wavefunctions, correlation functions, and nonlinear conditional phases. It is shown that both the three-photon bound states and the hybrid states, which consist of two-photon bound states and one unbound photon, contribute to all the correlation signatures. All computational correlation signatures are in good agreement with a recent experiment, wherein a weak coherent photonic state propagates through a quantum nonlinear Rydberg medium [Liang et al., Science359, 783 (2018)SCIEAS0036-807510.1126/science.aao7293].
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.391756