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We study counting photons confined in a mode of a microwave resonator via repeated measurements by a Josephson photomultiplier (JPM). The considered JPM is essentially a flux-biased phase qubit operating as a single-photon detector. We…

Quantum Physics · Physics 2023-12-20 E. V. Stolyarov , O. V. Kliushnichenko , V. S. Kovtoniuk , A. A. Semenov

We analyze the impact of both an incoherent and a coherent continuous excitation on our proposal to generate a two-photon state from a quantum dot in a microcavity [New J. Phys. 13, 113014 (2011)]. A comparison between exact numerical…

Mesoscale and Nanoscale Physics · Physics 2012-11-01 Elena del Valle , Alejandro Gonzalez-Tudela , Fabrice P. Laussy

Photon counting is a cornerstone of quantum optics. Here, we demonstrate precisely counting from 0 to over 9000 photons, beating the Poisson noise limit by at least $4.1~\mathrm{dB}$ across this range. We achieve sub-single-photon precision…

The implementation and engineering of bright and coherent solid state quantum light sources is key for the realization of both on chip and remote quantum networks. Despite tremendous efforts for more than 15 years, the combination of these…

This work proposes to investigate the photon statistics of the light transmitted and reflected by a two-dimensional array of interacting atoms. The reflected beam is characterized by photon antibunching. On the other hand, in the…

Quantum Physics · Physics 2021-11-24 Daniel Cano

There exists a growing interest in the properties of the light generated by hybrid systems involving a mesoscopic number of emitters as a means of providing macroscopic quantum light sources. In this work, the quantum correlations of the…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 R. Sáez-Blázquez , J. Feist , F. J. García-Vidal , A. I. Fernández-Domínguez

Strongly correlated low-dimensional systems can host exotic elementary excitations carrying a fractional charge $q$ and potentially obeying anyonic statistics. In the fractional quantum Hall effect, their fractional charge has been…

Mesoscale and Nanoscale Physics · Physics 2019-07-11 R. Bisognin , H. Bartolomei , M. Kumar , I. Safi , J. -M. Berroir , E. Bocquillon , B. Plaçais , A. Cavanna , U. Gennser , Y. Jin , G. Fève

We demonstrate anti-bunched emission from a lateral-light emitting diode. Sub-Poissonian emission statistic, with a g$^{(2)}$(0)=0.7, is achieved at cryogenic temperature in the pulsed low-current regime, by exploiting electron injection…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Tommaso Lunghi , Giorgio De Simoni , Vincenzo Piazza , Christine A. Nicoll , Harvey E. Beere , David A. Ritchie , Fabio Beltram

We present an advanced quantum super-resolution imaging technique based on photon statistics measurement and its accurate modeling. Our reconstruction algorithm adapts to any kind of non-Poissonian emitters, outperforming the corresponding…

We investigate statistics of the photon (phonon) field undergoing linear and nonlinear damping processes. An effective two-photon (phonon) nonlinear "cooling by heating" process is realized from linear damping by spectral filtering of the…

Quantum Physics · Physics 2022-01-06 M. Tahir Naseem , Özgür E. Müstecaplıoğlu

EMCCDs are efficient imaging devices for low surface brightness UV astronomy from space. The large amplification allows photon counting, the detection of events versus non-events. This paper provides the statistics of the observation…

Instrumentation and Methods for Astrophysics · Physics 2023-04-10 Brian M. Sutin

Full counting statistics of electron transport is of fundamental importance for a deeper understanding of the underlying physical processes in quantum transport in nanoscale devices. The backaction effect from a detector on the nanoscale…

Mesoscale and Nanoscale Physics · Physics 2013-11-01 Zeng-Zhao Li , Chi-Hang Lam , Ting Yu , J. Q. You

Quantum entanglement, one of the defining features of quantum mechanics, has been demonstrated in a variety of nonlinear spin-like systems. Quantum entanglement in linear systems has proven significantly more challenging, as the intrinsic…

We consider the counting statistics of electron transport through a double quantum dot with special emphasis on the dephasing induced by a nearby charge detector. The double dot is embedded in a dissipative enviroment, and the presence of…

Mesoscale and Nanoscale Physics · Physics 2009-01-08 Alessandro Braggio , Christian Flindt , Tomas Novotny

In this note we present some results concerning photon blockade and antibunching in a system consisting of a quantum dot embedded in a microcavity. We give analytic conditions for resonant and non-resonant photon blockade, valid for small…

Mesoscale and Nanoscale Physics · Physics 2016-06-15 Paolo Schwendimann , Antonio Quattropani

Reconstruction of photon statistics of optical states provide fundamental information on the nature of any optical field and find various relevant applications. Nevertheless, no detector that can reliably discriminate the number of incident…

Quantum Physics · Physics 2009-11-13 M. Genovese , M. Gramegna , G. Brida , M. Bondani , G. Zambra , A. Andreoni , A. R. Rossi , M. G. A. Paris

In order to discern aggregation in solutions, we present a quantum mechanical analog of the photon statistics from fluorescent molecules diffusing through a focused beam. A generating functional is developed to fully describe the…

Biological Physics · Physics 2009-11-10 Hai-cang Ren , Noel L. Goddard , Gregoire Altan-Bonnet , Albert Libchaber

We demonstrate a method to reconstruct the joint photon statistics of two or more modes of radiation using on/off photodetection performed at different quantum efficiencies. The two-mode case is discussed in details and experimental results…

Quantum Physics · Physics 2009-11-13 G. Brida , M. Genovese , M. G. A. Paris , F. Piacentini

We present a quantum electrical circuit with Josephson junctions formed of two anharmonic oscillators coupled with an interaction $g\gamma_{1}^{2}\gamma_{2}^{2}$ where $\gamma_{1}$ and $\gamma_{2}$ are position-like coordinates. This type…

Mesoscale and Nanoscale Physics · Physics 2011-01-21 Chunqing Deng , J. M. Gambetta , A. Lupascu

Photon-resolved Floquet theory keeps track of the photon exchange of a quantum system with a coherent driving field. It thus complements the standard full-counting statistics that counts the number of photons exchanged with incoherent…

Quantum Physics · Physics 2024-08-01 G. Engelhardt , JunYan Luo , V. M. Bastidas , G. Platero