[Todos] Recordatorio Seminario del IFLP/Dto Fisica

[Maria Virginia Manias]

*SEMINARIOS  DEL IFLP y DEL DEPARTAMENTO*

*Día y horario especiales: MIÉRCOLES 13 de DICIEMBRE – 11hs*

*AULA CHICA*

*TÍTULO**: **"Non-degenerate optical parametric oscillator beyond rotating
wave approximation"*

*EXPOSITOR:* *Swapan Mandal*

*Department of Physics, Visva-Bharati, Santiniketan, India*

*Resumen:* Under strong pump condition, the Hamiltonian and hence the
equation of motion of the field operators of a non-degenerate parametric
oscillator is formulated. The coupled operator differential equations
involving the signal and idler fields are solved analytically up to the
second order in dimensionless interaction time. We do not use the rotating
wave approximation (RWA) for getting these analytical solutions. These
solutions are used to investigate the squeezing, mixed mode squeezing,
amplitude squared squeezing and principal squeezing of the input light
prepared in composite coherent and in Fock states. Interestingly, the
squeezing, mixed mode squeezing etc  are unavailable if the rotating wave
approximated solutions are used. In spite of the inexactness of the
solutions, we are successful in getting various nonclassical properties of
the radiation field. We believe the approach and hence the solution is
fresh and will be of use for further investigation on non-degenerate
parametric oscillator.
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