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Related papers: Non-classical Photon Statistics For Two-mode Optic…

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In molecular aggregates, multiple delocalized exciton states interact with phonons, making the state-resolved spectroscopic monitoring of dynamics challenging. We propose a protocol that combines photon-entanglement-enhanced narrowband…

Quantum Physics · Physics 2026-04-24 Arunangshu Debnath , Shaul Mukamel

We consider the p-ordered characteristic function and its Fourier transform, the quasidistribution function, of squeezed coherent photons in a thermal state of photons and calculate the mean number and number variance of squeezed coherent…

Quantum Physics · Physics 2021-01-13 Moorad Alexanian

Two-mode squeezing is central to entangled-photon generation and nonlinear interferometry, yet standard perturbative low-gain treatments and Gaussian formalisms can obscure the interference of photon-number amplitudes, especially in…

Quantum Physics · Physics 2026-02-11 Xuemei Gu , Carlos Ruiz-Gonzalez , Mario Krenn

We analyze the statistics of photons originating from amplified spontaneous emission generated by a quantum dot superluminescent diode. Experimentally detectable emission properties are taken into account by parametrizing the corresponding…

Quantum Physics · Physics 2015-06-23 S. Hartmann , F. Friedrich , A. Molitor , M. Reichert , W. Elsäßer , R. Walser

We construct even and odd nonlinear coherent states of a parametric oscillator and examine their nonclassical properties.It has been shown that these superpositions exhibit squeezing and photon antibunching which change with time.

Quantum Physics · Physics 2009-10-31 B. Roy , P. Roy

The optical interference constitutes a paramount resource in modern physics. At the scale of individual atoms and photons, it is a diverse concept that causes different coherent phenomena. We present the experimental characterization of…

Quantum Physics · Physics 2022-09-21 A. Kovalenko , D. Babjak , A. Lešundák , L. Podhora , L. Lachman , P. Obšil , T. Pham , O. Číp , R. Filip , L. Slodička

We construct nonlinear squeezed states of a generalized isotonic oscillator potential. We demonstrate the non-existence of dual counterpart of nonlinear squeezed states in this system. We investigate statistical properties exhibited by the…

Quantum Physics · Physics 2015-06-04 V. Chithiika Ruby , M. Senthilvelan

We analyze the quantum dynamics of two electromagnetic oscillators coupled in series to a voltage biased Josephson junction. When the applied voltage leads to a Josephson frequency across the junction which matches the sum of the two mode…

Mesoscale and Nanoscale Physics · Physics 2015-06-10 A. D. Armour , Björn Kubala , Joachim Ankerhold

The question of efficient multimode description of optical pulses is studied. We show that a relatively very small number of nonmonochromatic modes can be sufficient for a complete quantum description of pulses with Gaussian quadrature…

Quantum Physics · Physics 2009-11-07 T. Opatrny , N. Korolkova , G. Leuchs

The possibility of observing nonclassical features in a physical system comprised of a cavity with two ensembles of two-level atoms has been investigated by considering different configurations of the ensembles with respect to the Node and…

Quantum Physics · Physics 2022-06-10 Javid Naikoo , Kishore Thapliyal , Anirban Pathak , Subhashish Banerjee

The U(2) invariant approach is delineated for the pair coherent states to explore their squeezing properties. This approach is useful for a complete analysis of the squeezing properties of these two-mode states. We use the maximally compact…

Quantum Physics · Physics 2009-11-07 Arvind

The dependence of one- and two-photon characteristics of pulsed entangled two-photon fields generated in spontaneous parametric down-conversion on the pump-pulse properties (shape of the pump-pulse spectrum and its internal structure) is…

Quantum Physics · Physics 2009-10-31 Jan Perina

We investigate the entanglement patterns of photon-added and -subtracted four-mode squeezed vacuum states. Entanglements in different scenarios are analyzed by varying the number of photons added or subtracted in certain modes, which are…

Quantum Physics · Physics 2016-05-18 Tamoghna Das , R. Prabhu , Aditi Sen De , Ujjwal Sen

In this article, non-classical properties of Raman modes are investigated. The original goal, actually, is to identify how and by which method we can induce non-classicality in Raman modes. We introduce a plasmonic system in which Raman dye…

Quantum Physics · Physics 2018-10-17 Ahmad Salmanogli

Multi-photon-added cat states are constructed by repeatedly applying the creation operator to a cat state. We study in detail their photon-number distribution, $Q$ parameter, squeezing properties, and Wigner function. We show that photon…

Quantum Physics · Physics 2026-04-14 Jhordan Santiago , Petr Steindl

Quantized descriptions of nonlinear-optical processes can be relevant from the perspective of developing novel nonclassical sources of light. As a special case, it is useful to characterize light emitted by classically driven systems, since…

Quantum Physics · Physics 2023-03-21 Ákos Gombkötő

We present a detailed theoretical analysis of a weakly driven multimode optomechanical system, in which two optical modes are strongly and near-resonantly coupled to a single mechanical mode via a three-wave mixing interaction. We calculate…

Quantum Physics · Physics 2013-04-12 P. Kómár , S. D. Bennett , K. Stannigel , S. J. M. Habraken , P. Rabl , P. Zoller , M. D. Lukin

Practically applicable criteria for the nonclassicality of quantum states are formulated in terms of different types of moments. For this purpose the moments of the creation and annihilation operators, of two quadratures, and of a…

Quantum Physics · Physics 2009-11-11 E. V. Shchukin , W. Vogel

We formulate the density matrices of a quantum state obtained by first adding multi-photons to and then subtracting multi-photons from any arbitrary state as well as performing the same process in the reverse order. Considering the field to…

Quantum Physics · Physics 2023-04-12 Arpita Chatterjee

Postselected von Neumann measurement characterized by postselection and weak value has been found potential applications in quantum metrology and, solved plenty of fundamental problems in quantum theory. As an application of this new…

Quantum Physics · Physics 2022-02-16 Yusuf Turek