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1 LPA - Laboratoire Pierre Aigrain 2 School of Electronic and Electrical Engineering

Abstract : A terahertz THz frequency quantum cascade laser QCL is used as an integrated injection seeded source and amplifier for use in THz time-domain spectroscopy. A THz input pulse is generated inside a QCL, by illuminating the laser facet with a near-infrared pulse from a femtosecond laser, and amplified using gain switching. The THz output from the QCL is found to saturate upon increasing the amplitude of the THz input power, which indicates that the QCL is operating in an injection seeded regime.





Autor: Jean Maysonnave - Nathan Jukam - M. S. M. Ibrahim - Kenneth Maussang - Julien Madéo - P. Cavalié - Paul Dean - Suraj Khanna - P

Fuente: https://hal.archives-ouvertes.fr/



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