Spatial chirping of a THz pulse during generation in InAs crystal

A. O. Nabilkova; E. N. Oparin; V. S. Shumigai; M. V. Melnik; A. N. Tsypkin

doi:10.1117/12.2642744

16 December 2022 Spatial chirping of a THz pulse during generation in InAs crystal

A. O. Nabilkova, E. N. Oparin, V. S. Shumigai, M. V. Melnik, A. N. Tsypkin

Proceedings Volume 12324, Infrared, Millimeter-Wave, and Terahertz Technologies IX; 123240G (2022) https://doi.org/10.1117/12.2642744
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

It is known that such features of pulsed THz radiation as a small number of periods and an ultra-wide spectrum modify the appearance of linear effects like absorption, dispersion, and diffraction. In this work, we study the influence of the spatial localization of a THz pulse during its generation. It is shown that this leads to a spatial chirp of the pulse. Based on the results obtained, recommendations are formulated for working with such pulses, which make it possible to guarantee that spectral information will not be lost during the propagation of such pulses.

Conference Presentation

Citation Download Citation

A. O. Nabilkova, E. N. Oparin, V. S. Shumigai, M. V. Melnik, and A. N. Tsypkin "Spatial chirping of a THz pulse during generation in InAs crystal", Proc. SPIE 12324, Infrared, Millimeter-Wave, and Terahertz Technologies IX, 123240G (16 December 2022); https://doi.org/10.1117/12.2642744

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