Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Conference on Lasers and Electro-Optics

Gaussian and Non-Gaussian Highly Multimode Quantum Light

Claude Fabre, Francesco Arzani, Valentin Averchenko, A. Dufour, Clément Jacquard, Young-Sik Ra, Valérian Thiel, Nicolas Treps, Claude Fabre, Francesco Arzani, A. Dufour, Clément Jacquard, Young-Sik Ra, Nicolas Treps, Valentin Averchenko, Valérian Thiel

Published Jan 1, 2017• 0 citations
Publisher

Abstract

We show that non-linear processes pumped by ultrashort pulses of adjustable spectral shape are ideal tools to produce highly multimode quantum states in specific light modes, featuring either Gaussian squeezed, or non-Gaussian negative, Wigner functions
DOI
10.1364/cleo_qels.2017.fw4e.3

Related papers

Experimental generation of non-Gaussian quantum states of a multimode light field

Young-Sik Ra, Adrien Dufour, Mattia Walschaers +4 more

We generate non-Gaussian quantum states of a multimode light by subtracting a photon in a desired mode from multimode Gaussian states. We observed negativity of Wigner functions and the interplay between non-Gaussianity and entanglement.

OSA Quantum 2.0 Conference•Jan 1, 2020•0 citations

Production and applications of non-Gaussian quantum states of light

Alexander I. Lvovsky, Philippe Grangier, Alexei Ourjoumtsev +3 more

This review covers recent theoretical and experimental efforts to extend the application of the continuous-variable quantum technology of light beyond "Gaussian" quantum states, such as coherent and squeezed states, into the domain of "non-Gaussian" states with negative Wigner functions. Starting with basic Gaussian nonclassicality associated with single- and two-mode vacuum states produced by means of parametric down-conversion and applying a set of standard tools, such as linear interferometry, coherent state injection, and conditional homodyne and photon number measurements, one can implement a large variety of optical states and processes that are relevant in fundamental quantum physics as well as quantum optical information processing. We present a systematic review of these methods, paying attention to both fundamental and practical aspects of their implementation, as well as a comprehensive overview of the results achieved therewith.

arXiv:2006.16985•Jun 30, 2020•32 citations

Nonlinear quantum behavior of ultrashort-pulse optical parametric oscillators

Tatsuhiro Onodera, Edwin Ng, Chris Gustin +6 more

The quantum features of ultrashort-pulse optical parametric oscillators (OPOs) are investigated theoretically in the nonlinear regime near and above threshold. Viewing the pulsed OPO as a multimode open quantum system, we rigorously derive a general input-output model that features nonlinear coupling among many cavity (i.e., system) signal modes and a broadband single-pass (i.e., reservoir) pump field. Under appropriate assumptions, our model produces a Lindblad master equation with multimode nonlinear Lindblad operators describing two-photon dissipation and a multimode four-wave-mixing Hamiltonian describing a broadband, dispersive optical cascade, which we show is required to preserve causality. To simplify the multimode complexity of the model, we employ a supermode decomposition to perform numerical simulations in the regime where the pulsed supermodes experience strong single-photon nonlinearity. We find that the quantum nonlinear dynamics induces pump depletion as well as corrections to the below-threshold squeezing spectrum predicted by linearized models. We also observe the formation of non-Gaussian states with Wigner-function negativity and show that the multimode interactions with the pump, both dissipative and dispersive, can act as effective decoherence channels. Finally, we briefly discuss some experimental considerations for potentially observing such quantum nonlinear phenomena with ultrashort-pulse OPOs on nonlinear nanophotonic platforms.

arXiv:1811.10583•Physical Review A•Mar 11, 2022•12 citations

Mastering pulsed quantum light

Christine Silberhorn, Benjamin Brecht, A. Christ +1 more

The intrinsic structure of pulsed quantum light can be exploited to introduce highly efficient multi-mode quantum information encoding for high bit rate applications. We present tools for the control and manipulation of broadband frequency modes.

Frontiers in Optics•Jan 1, 2011•0 citations

Entanglement and Wigner Function Negativity of Multimode Non-Gaussian States

Mattia Walschaers, Claude Fabre, Valentina Parigi +1 more

Non-Gaussian operations are essential to exploit the quantum advantages in optical continuous variable quantum information protocols. We focus on mode-selective photon addition and subtraction as experimentally promising processes to create multimode non-Gaussian states. Our approach is based on correlation functions, as is common in quantum statistical mechanics and condensed matter physics, mixed with quantum optics tools. We formulate an analytical expression of the Wigner function after the subtraction or addition of a single photon, for arbitrarily many modes. It is used to demonstrate entanglement properties specific to non-Gaussian states and also leads to a practical and elegant condition for Wigner function negativity. Finally, we analyze the potential of photon addition and subtraction for an experimentally generated multimode Gaussian state.

arXiv:1707.02285•Physical Review Letters•Oct 31, 2017•94 citations

Generalized nonlinear high-power squeezing in the first kind of multimode superposition state light field composed of the macro-scopically distinct unsymmetric three quantum states

Pei Zhang

Jounal of Xidian University•Jan 1, 2002•0 citations
This review covers recent theoretical and experimental efforts to extend the application of the continuous-variable quantum technology of light beyond "Gaussian" quantum states, such as coherent and squeezed states, into the domain of "non-Gaussian" states with negative Wigner functions. Starting with basic Gaussian nonclassicality associated with single- and two-mode vacuum states produced by means of parametric down-conversion and applying a set of standard tools, such as linear interferometry, coherent state injection, and conditional homodyne and photon number measurements, one can implement a large variety of optical states and processes that are relevant in fundamental quantum physics as well as quantum optical information processing. We present a systematic review of these methods, paying attention to both fundamental and practical aspects of their implementation, as well as a comprehensive overview of the results achieved therewith.
The quantum features of ultrashort-pulse optical parametric oscillators (OPOs) are investigated theoretically in the nonlinear regime near and above threshold. Viewing the pulsed OPO as a multimode open quantum system, we rigorously derive a general input-output model that features nonlinear coupling among many cavity (i.e., system) signal modes and a broadband single-pass (i.e., reservoir) pump field. Under appropriate assumptions, our model produces a Lindblad master equation with multimode nonlinear Lindblad operators describing two-photon dissipation and a multimode four-wave-mixing Hamiltonian describing a broadband, dispersive optical cascade, which we show is required to preserve causality. To simplify the multimode complexity of the model, we employ a supermode decomposition to perform numerical simulations in the regime where the pulsed supermodes experience strong single-photon nonlinearity. We find that the quantum nonlinear dynamics induces pump depletion as well as corrections to the below-threshold squeezing spectrum predicted by linearized models. We also observe the formation of non-Gaussian states with Wigner-function negativity and show that the multimode interactions with the pump, both dissipative and dispersive, can act as effective decoherence channels. Finally, we briefly discuss some experimental considerations for potentially observing such quantum nonlinear phenomena with ultrashort-pulse OPOs on nonlinear nanophotonic platforms.
Non-Gaussian operations are essential to exploit the quantum advantages in optical continuous variable quantum information protocols. We focus on mode-selective photon addition and subtraction as experimentally promising processes to create multimode non-Gaussian states. Our approach is based on correlation functions, as is common in quantum statistical mechanics and condensed matter physics, mixed with quantum optics tools. We formulate an analytical expression of the Wigner function after the subtraction or addition of a single photon, for arbitrarily many modes. It is used to demonstrate entanglement properties specific to non-Gaussian states and also leads to a practical and elegant condition for Wigner function negativity. Finally, we analyze the potential of photon addition and subtraction for an experimentally generated multimode Gaussian state.