Time evolution of Wigner function in laser process derived by entangled state representation
Li-Yun Hu,Li-Yun Hu,Hong-Yi Fan +2 more
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TLDR
In this paper, the Wigner function of quantum states in the entangled state representation is evaluated, based on which a new approach for deriving time evolution formula of Wigneer function in laser process is presented, where the initial state is a photon-added coherent state.About:
This article is published in Optics Communications.The article was published on 2009-11-15 and is currently open access. It has received 56 citations till now. The article focuses on the topics: Wigner distribution function & Coherent states.read more
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Photon-subtracted squeezed thermal state: Nonclassicality and decoherence
TL;DR: In this article, the normalization factor of photon-subtracted thermal states (PSSTS) is a Legendre polynomial of the squeezing parameter and the average photon number of the thermal state.
Journal ArticleDOI
Multiphoton catalysis with coherent state input: nonclassicality and decoherence
TL;DR: In this article, the Laguerre polynomial excited coherent state (LPECS) was generated by using multiphoton catalysis with coherent state input and the nonclassical properties of the LPECS were studied in terms of non-classical depth, Mandel's parameter, second-order correlation, quadrature squeezing, and the negativity of the Wigner function.
Journal ArticleDOI
Statistical properties of photon-subtracted two-mode squeezed vacuum and its decoherence in thermal environment
TL;DR: In this paper, the authors investigated the statistical properties of photon subtractions from a two-mode squeezed vacuum state and its decoherence in a thermal environment and derived the time evolution of the Wigner function.
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Photon-added squeezed thermal states: Statistical properties and its decoherence in a photon-loss channel
TL;DR: In this article, the photon-added squeezed thermal state (PASTS), the excitation of displaced-squeezed chaotic field, and investigate its statistical properties, such as Mandel's Q-parameter, number distribution (as a Legendre polynomial), the Wigner function (WF).
Journal ArticleDOI
Nonclassicality and decoherence of photon-added squeezed thermal state in thermal environment
Li-Yun Hu,Zhi-Ming Zhang +1 more
TL;DR: Theoretical analysis of nonclassicality and decoherence of the field states generated by adding any number of photons to the squeezed thermal state (STS) is given in this article.
References
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TL;DR: In this article, the Boltzmann formula for the probability of a configuration is given in classical theory by means of a probability function, and the result discussed is developed for the correction term.
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TL;DR: In this paper, Dirac Formulation of Quantum Mechanics Elementary Quantum Systems Operator Algebra Quantization of the Electromagnetic Field Interaction of Radiation with Matter Quantum Theory of Damping--Density Operator Methods Quantum Theory-Langevin Approach Lamb's Semiclassical Theory of a Laser [1] Statistical properties of a laser Appendices Index