Title :
Observation of time-resolved gain dynamics in a terahertz quantum cascade laser
Author :
Sergej Markmann;Hanond Nong;Shovon Pal;Negar Hekmat;Reshma A. Mohandas;Paul Dean;Lianhe Li;Edmund H. Linfield;A. Giles Davies;Andreas D. Wieck;Nathan Jukam
Author_Institution :
AG Terahertz Spectroscopy and Technology, Ruhr University Bochum, D-44780 Bochum, Germany
Abstract :
The dynamic response of a terahertz quantum cascade laser is probed as a function of time. The gain of the THz QCL is saturated by injection seeding the laser with an initial THz seed pulse. The time-resolved gain of the injection seeded laser is then probed with a second THz pulse.
Keywords :
"Quantum cascade lasers","Probes","Radio frequency","Gain measurement","Time measurement","Oscillators","Cavity resonators"
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2015 40th International Conference on
Electronic_ISBN :
2162-2035
DOI :
10.1109/IRMMW-THz.2015.7327688
