Phase cross correlation in the coherent Raman process

Li, Z. W.; Radzewicz, Czesław; Raymer, Michael G.

doi:10.1364/ol.13.000491

Cited by 15 publications

(1 citation statement)

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“…In this case, the EPP has a broader spectrum when projected diagonally, and would be less effective in TPA than a coherent state having the same width of its marginal spectrum. (Such a positive frequency correlation can lead to enhancement of stimulated Raman transitions, as demonstrated with classically correlated fields in [ 36 ].…”

Section: Figure 4cmentioning

confidence: 85%

Two-Photon Absorption in Molecules by time-frequency-entangled photon pairs: the roles of photon-number correlations and spectral correlations

Raymer

Landes

Allgaier

et al. 2021

Conference on Lasers and Electro-Optics

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While two-photon absorption (TPA) and other forms of nonlinear interactions of molecules with isolated time-frequency-entangled photon pairs (EPP) have been predicted to display a variety of fascinating effects, their potential use in practical quantum-enhanced molecular spectroscopy requires close examination. This paper presents a detailed theoretical study of quantum-enhanced TPA by both photon-number correlations and spectral correlations, including an account of the deleterious effects of dispersion. While such correlations in EPP created by spontaneous parametric down conversion can increase the TPA rate significantly in the regime of extremely low optical flux, we find that for typical molecules in solution this regime corresponds to such low TPA event rates as to be unobservable in practice. Our results support the usefulness of EPP spectroscopy in atomic or other narrow-linewidth systems, while questioning the efficacy of such approaches for broadband systems including molecules in solution.

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Section: Figure 4cmentioning

confidence: 85%

Two-Photon Absorption in Molecules by time-frequency-entangled photon pairs: the roles of photon-number correlations and spectral correlations

Raymer

Landes

Allgaier

et al. 2021

Conference on Lasers and Electro-Optics

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Detection of photon statistics and multimode field correlations by Raman processes

Schlawin

Dorfman

Mukamel

2021

The Journal of Chemical Physics

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Glauber’s g(2)-function provides a common measure of quantum field statistics through two-photon coincidence counting in Hanbury Brown–Twiss measurements. Here, we propose to use nonlinear optical signals as a tool for the characterization of quantum light. In particular, we show that Raman measurements provide an alternative direct probe for a different component of the four-point correlation function underlying the g(2)-function. We illustrate this capacity for a specific quantum state obtained from a frequency conversion process. Our work points out how the analysis of controlled optical nonlinear processes can provide an alternative window toward the analysis of quantum light sources.

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Photon Statistics in Stimulated Raman Scattering of Squeezed Light

Kárská

Peřina

1990

Journal of Modern Optics

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Phase cross correlation in the coherent Raman process

Cited by 15 publications

References 15 publications

Two-Photon Absorption in Molecules by time-frequency-entangled photon pairs: the roles of photon-number correlations and spectral correlations

Two-Photon Absorption in Molecules by time-frequency-entangled photon pairs: the roles of photon-number correlations and spectral correlations

Detection of photon statistics and multimode field correlations by Raman processes

Photon Statistics in Stimulated Raman Scattering of Squeezed Light

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