Transient stimulated four-photon parametric scattering in the case of pumping with adiabatic pulses

Kryzhanovskii, B. V.

doi:10.1070/qe1987v017n07abeh009479

Cited by 4 publications

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“…The frequency of scattered light is assumed to vary as k a = k 0 2 (1 + cos θ), where θ is scattering angle. However, according to scattering theory, amplification of only spectral component shifted towards shorter or longer wavelengths, relative to the spontaneous three photons, is possible [13].…”

Section: Theoretical Formulationsmentioning

confidence: 99%

Non-Phase Matched Stimulated Parametric Scattering in Semiconductor Plasma: Temporal Effects

2019

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Present paper is an effort to study stimulated parametric scattering of an electromagnetic wave propagating in a doped semiconductor plasma medium. We study theoretically the time evolution of a parametrically amplified wave in a non-phase matched semiconductor plasma medium. In order to describe the dynamics of the system, Maxwell's equations and hydrodynamic model for one component plasma along with coupled mode theory are used. These equations are solved numerically in the whole time range up to the steady state for a crystal. Following standard approach expressions for second order optical susceptibility, steady state, and transient gain coefficient for stimulated parametric scattering have been derived. Numerical estimation is made by considering an n-CdS irradiated by an intense laser at 77 K. This study suggests design of an optical parametric amplifier with tunable temporal characteristics, which are found to agree well with the experimental findings.

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Section: Theoretical Formulationsmentioning

confidence: 99%