Open AccessGeneration of Bright and Entangled Light from a Nondegenerate Three-Level Laser with Parametric Amplifier and Coupled to Thermal Reservoir
Author(s) -
Tamirat Abebe,
Ch. Gashu,
Ebisa Mosisa
Publication year - 2021
Publication title -
ukrainian journal of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.213
H-Index - 17
eISSN - 2071-0194
pISSN - 2071-0186
DOI - 10.15407/ujpe66.3.185
Subject(s) - physics , quantum entanglement , photon , parametric statistics , quadrature (astronomy) , amplifier , nonclassical light , quantum mechanics , master equation , amplitude , quantum optics , squeezed coherent state , laser , quantum , thermal , quantum correlation , optical parametric amplifier , optics , optical amplifier , coherent states , statistics , optoelectronics , quantum discord , mathematics , thermodynamics , cmos
The detailed analysis of the two-mode quadrature squeezing and statistical properties of light generated by a nondegenerate three-level laser which has a parametric amplifier and coupled with a thermal reservoir is executed. The combination of the master equation and the stochastic differential equation is presented to study the nonclassical features of the light generated by the quantum system. Moreover, with the aid the resulting solutions together with the correlation properties of noise operators, we calculated the quadrature squeezing, entanglement, and mean number of photon pairs of the cavity light. It is found that the external small-amplitude driving radiation induces a strong correlation between the top and bottom states of three-level atoms to produce a high degree of squeezing. Moreover, the presence of a parametric amplifier is found to enhance the degree of squeezing of the cavity light. We have also established that an increase in the mean thermal photon number appears to degrade the squeezing, but enhances the mean number of photon pairs of the cavity light.