Quantum theory of coherent anti-Stokes Raman scattering in an inhomogeneously broadened gaseous system |
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| Authors: | B K Mohanty P S Gupta M M Mahanty |
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| Institution: | (1) Department of Physics, Indian Institute of Technology, 721 302 Kharagpur, India;(2) Department of Physics, F. M. College, Balasore 756 001, Orissa, India;(3) Department of Physics, Regional Institute of Technology, 831 014 Jamsedpur, India |
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| Abstract: | A quantum-statistical treatment of coherert anti-Stokes Raman scatterirg in a gaseous system is presented. The atomic system is described by two energy levels. Both the atomic system and the radiation fields are quartized. The effects of atomic motion ard the detuning are incorporated into the analysis. The equations of motion describing the photor statistics of pump, Stokes and anti-Stokes fields are obtained considering the process as a two-step one. The time-evolution of average photon number and the second-order coherence of the anti-Stokes fields for different initial distributions are studied. The occurrence of antibunching is investigated. |
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