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Impact of Thermal Reservoir on Entanglement and Squeezing Characteristics of a Three-Level Laser Driven by Coherent Light in an Open Cavity |
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PP: 21-33 |
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Author(s) |
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Aliyyi Adem,
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Abstract |
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| This study investigates the entanglement and squeezing characteristics of light generated by a non-degenerate, coherently
driven three-level laser in an open cavity, coupled to a thermal reservoir through a single-port mirror. By solving the master equation
and Hamiltonian, we derived the steady-state solutions for the atomic operators, enabling us to calculate the average photon number,
quadrature variance, entanglement, and normalized second-order correlation of the cavity radiation. Our results indicate that higher
spontaneous emission rates significantly reduce the average photon number, while the mean of thermal light(⟨nth⟩) enhance it. We
found that the light is squeezed primarily in the minus quadrature, achieving maximum squeezing of 37.9% at ⟨nth⟩ = 0, and slightly
decreasing with increased thermal effects. Spontaneous emission reduces photon number variance, while thermal reservoirs amplify it.
Additionally, squeezing enhances entanglement, and both are interdependent, with higher squeezing producing more entanglement.
These results have implications for quantum communication, computing, and sensing by improving secure communication, error
correction, and measurement precision. |
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