Differential gain of THz radiation in crystalline quartz plate in the field of pump wave

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Abstract

The possibility to exploit nonlinear Fabry–Perot interferometers to differential gain of terahertz radiation in the field of a pump wave of the same frequency was theoretically considered. It is shown that in mirrorless nonlinear Fabry–Perot interferometer consisted of crystalline quartz plate, which reflection is determined by Fresnel reflection only, the regime of maximal differential gain of radiation with central frequency at 1 THz can be observed at thickness of working medium near 1 mm and at radiation intensity with order of magnitude at 108 W⋅cm−2.

About the authors

I. I. Kazakov

ITMO University

Email: ikazzzakov@yandex.ru
St. Petersburg, Russia

M. S. Guselnikov

ITMO University

St. Petersburg, Russia

S. A. Kozlov

ITMO University

St. Petersburg, Russia

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