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We show that the second-order, two-time correlation functions for phonons and photons emitted from a vibronic molecule in a thermal bath result in bunching and anti-bunching (a purely quantum effect), respectively. Signatures relating to…

Quantum Physics · Physics 2023-10-09 Ben S. Humphries , Dale Green , Magnus O. Borgh , Garth A. Jones

Within a circuit quantum electrodynamics architecture, we theoretically investigate the detection of a single propagating microwave photon traveling through a resonant microwave cavity dispersively interacting with a double quantum dot…

Mesoscale and Nanoscale Physics · Physics 2025-11-25 Stephanie Matern , Alberto Biella , Pasquale Scarlino , Iacopo Carusotto , Gianluca Rastelli

We propose and theoretically investigate a model to realize cascaded optical nonlinearity with few atoms and photons in one-dimension (1D). The optical nonlinearity in our system is mediated by resonant interactions of photons with…

Optics · Physics 2013-08-20 Dibyendu Roy

The implementation of circuit quantum electrodynamics allows coupling distant qubits by microwave photons hosted in on-chip superconducting resonators. Typically, the qubit-photon interaction is realized by coupling the photons to the…

The distance dependence of the probability of observing two photons in a waveguide is investigated. The Glauber correlation functions of the entangled photons in waveguides are considered and the spatial and temporal dependence of the…

Quantum Physics · Physics 2012-10-09 Andrei Khrennikov , Borje Nilsson , Sven Nordebo , Igor Volovich

We demonstrate a source of photon pairs with widely separated wavelengths, 810 nm and 1548 nm, generated through spontaneous four-wave mixing in a microstructured fiber. The second-order auto-correlation function g^{(2)}(0) was measured to…

We study the collective decay of two-level emitters coupled to a nonlinear waveguide, for example, a nanophotonic lattice or a superconducting resonator array with strong photon-photon interactions. Under these conditions a new decay…

Quantum Physics · Physics 2020-06-01 Zhihai Wang , Tuomas Jaako , Peter Kirton , Peter Rabl

We investigate propagation of few-photon pulses in waveguides coupled to a two-level system by means of the method of distribution functions in coordinate-momentum space that provides a detailed description of photon systems. We find that…

Quantum Physics · Physics 2013-08-09 Oleksandr Chumak , Evgeniy Stolyarov

We analyze coherent transport of photons, which propagate in a one-dimensional coupled-resonator waveguide (CRW) and are scattered by a controllable two-level system located inside the CRW. Our approach, which uses discrete coordinates,…

Superconductivity · Physics 2009-11-13 Lan Zhou , Z. R. Gong , Yu-xi Liu , C. P. Sun , Franco Nori

We develop a formalism based on a time-dependent wave-function ansatz to study correlations of photons emitted from a collection of two-level quantum emitters. We show how to simulate the system dynamics and evaluate the intensity of the…

Mediated photon-photon interactions are realized in a superconducting coplanar waveguide cavity coupled to a superconducting charge qubit. These non-resonant interactions blockade the transmission of photons through the cavity. This…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 A. J. Hoffman , S. J. Srinivasan , S. Schmidt , L. Spietz , J. Aumentado , H. E. Türeci , A. A. Houck

We study photon, phonon statistics and the cross-correlation between photons and phonons in a quadratically coupled optomechanical system. Photon blockade, phonon blockade and strongly anticorrelated photons and phonons can be observed in…

Quantum Physics · Physics 2018-07-16 Xun-Wei Xu , Hai-Quan Shi , Ai-Xi Chen , Yu-xi Liu

In this work, we utilize a two-level atom and a ${\Lambda}$-type atom to link two identical waveguides, subsequently extending the model to a giant-atom configuration. Our analytical solutions and numerical simulations demonstrate that this…

We propose a simple circuit quantum electrodynamics (QED) experiment to test the generation of entanglement between two superconducting qubits. Instead of the usual cavity QED picture, we study qubits which are coupled to an open…

Quantum Physics · Physics 2014-11-20 C. Sabin , J. J. Garcia-Ripoll , E. Solano , J. Leon

Radio-frequency phase modulation of frequency entangled photons leads to a two-photon interference pattern in the frequency domain. In recent experiments, the pattern was measured with narrow-band frequency filters which select photons…

Second-order correlation functions for photon pulses associated with exciton-biexciton cascades are theoretically derived. A finite efficiency in photon detection and statistical distribution in exciton numbers are taken into account. It is…

Materials Science · Physics 2008-01-17 T. Kuroda , C. Mastransdrea , M. Abbarchi , M. Gurioli

Waveguide quantum electrodynamics studies photon-mediated interactions of quantum emitters in a one-dimensional radiation channel. Although signatures of such interactions have been observed previously in a variety of physical systems,…

Photon correlations between the photoluminescence peaks of the Mollow triplet have been known for a long time, and recently hailed as a resource for heralded single-photon sources. Here, we provide the full picture of photon-correlations at…

Quantum Physics · Physics 2017-08-10 Juan Camilo López Carreño , Elena del Valle , Fabrice P. Laussy

In a preceding paper we introduced a formalism to study the scattering of low intensity fields from a system of multi-level emitters embedded in a $3$D dielectric medium. Here we show how this photon-scattering relation can be used to…

Quantum Physics · Physics 2018-04-25 Sumanta Das , Vincent E. Elfving , Florentin Reiter , Anders S. Sørensen

We consider the interaction of one- and two-photon pulses in a waveguide with two two-level systems (TLS) that are also able to interact directly either through an exchange- or a dipole-type interaction. We focus on the system's transport…

Quantum Physics · Physics 2017-12-27 William Konyk , Julio Gea-Banacloche