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Proceedings Paper

Efficient ultrashort light pulse conversion in GHz-THz pulses in ZnTe, GaAs, and DAST crystals
Author(s): Anahit S. Nikoghosyan; Edward M. Laziev; Radik M. Martirosyan; Arsen A. Hakhoumian
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Paper Abstract

The potentiality to increase light pulse conversion efficiency into pulses of the millimeter and submillimeter (GHz - THz) range using the waveguide partially filled with a nonlinear crystal is suggested. This technique has been theoretically substantiated and experimentally studied. Phase matching is defined by the degree of partial filling. The calculated data as well as the experimental results of the difference frequency generation in LiNbO3, ZnTe, GaAs and DAST crystals are presented. DAST refractive index as well as its tn(delta) have been measured in the 70 - 900 GHz frequency range.

Paper Details

Date Published: 29 May 2002
PDF: 9 pages
Proc. SPIE 4752, ICONO 2001: Ultrafast Phenomena and Strong Laser Fields, (29 May 2002); doi: 10.1117/12.469118
Show Author Affiliations
Anahit S. Nikoghosyan, Yerevan State Univ. (Armenia)
Edward M. Laziev, Yerevan State Univ. (Armenia)
Radik M. Martirosyan, Yerevan State Univ. (Armenia)
Arsen A. Hakhoumian, Institute of Radiophysics and Electronics (Armenia)


Published in SPIE Proceedings Vol. 4752:
ICONO 2001: Ultrafast Phenomena and Strong Laser Fields
Vyacheslav M. Gordienko; Anatoly A. Afanas'ev; Vladimir V. Shuvalov, Editor(s)

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