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Proceedings Paper

Active mode locking of a p-Ge hot-hole laser
Author(s): J. N. Hovenier; Tjeerd O. Klaassen; W. Th. Wenckebach; Andrei V. Muravjov; Sergei G. Pavlov; Valery N. Shastin
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Paper Abstract

The p-Ge hot hole laser is as yet the only solid state tunable laser with a strong emission in the THz frequency range. Monte Carlo simulations have shown that modelocking of the laser on the intervalence band transition should be possible by gain modulation through the application of an appropriate rf electric field. Recently we did observe for the first time the generation of 200 picosecond pulses in the high frequency (approximately equals 100 cm-1) emission range. Now also pulses as short as 100 ps have been observed in the low frequency regime (approximately equals 50 cm-1). A detailed study of the wavelength dependent optical output of the laser has been started now for (normal) pulsed -- as well as for active mode locked operation. Results on pulse shape and small signal gain in the low frequency (equals low magnetic field) regime are given.

Paper Details

Date Published: 13 November 1998
PDF: 6 pages
Proc. SPIE 3465, Millimeter and Submillimeter Waves IV, (13 November 1998); doi: 10.1117/12.331145
Show Author Affiliations
J. N. Hovenier, Delft Univ. of Technology (Netherlands)
Tjeerd O. Klaassen, Delft Univ. of Technology (Netherlands)
W. Th. Wenckebach, Delft Univ. of Technology (Netherlands)
Andrei V. Muravjov, Institute for Physics of Microstructures (United States)
Sergei G. Pavlov, Institute for Physics of Microstructures (Russia)
Valery N. Shastin, Institute for Physics of Microstructures (Russia)

Published in SPIE Proceedings Vol. 3465:
Millimeter and Submillimeter Waves IV
Mohammed N. Afsar, Editor(s)

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