Optimization of Angular Distributions of Terahertz Waves Generated in Laser-Driven Nonlinear-Optical Processes

Angular distributions are studied for terahertz waves generated via three types of laser-driven non-collinear processes in nonlinear crystals, parametric difference-frequency generation, optical rectification of femtosecond laser pulses, and generation of optical-terahertz biphotons by spontaneous p...

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Bibliographic Details
Main Authors: Novikova, T. I., Leontyev, A. A., Markov, D. A., Zakirov, R. E., Kitaeva, G. Kh
Format: Conference Proceeding
Language:English
Online Access:Request full text
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Summary:Angular distributions are studied for terahertz waves generated via three types of laser-driven non-collinear processes in nonlinear crystals, parametric difference-frequency generation, optical rectification of femtosecond laser pulses, and generation of optical-terahertz biphotons by spontaneous parametric down-conversion. The theoretical results obtained make it possible to determine the form of angular distributions inside the nonlinear crystal, as well as its evolution during transition through a silicon interface element of various shapes mounted on the side surface of the crystal.
ISSN:2642-5580
DOI:10.1109/ICLO48556.2020.9285452