Title :
Amplification of broadband terahertz pulses in a quantum cascade heterostructure
Author :
Bachmann, D. ; Leder, N. ; Rosch, M. ; Scalari, G. ; Beck, M. ; Arthaber, H. ; Faist, J. ; Unterrainer, K. ; Darmo, J.
Author_Institution :
Photonics Inst. & Center for Micro- & Nanostruct., Vienna Univ. of Technol., Vienna, Austria
Abstract :
We demonstrate an amplification of broadband terahertz pulses in the bandwidth of 500 GHz centered at 2.5 THz. The amplification is based on gain switched quantum cascade structure width the heterogeneous active region.
Keywords :
microwave photonics; quantum cascade lasers; amplification; bandwidth 500 GHz; broadband terahertz pulses; frequency 2.5 THz; gain switching; heterogeneous active region; quantum cascade heterostructure; Broadband amplifiers; Optical amplifiers; Optical switches; Quantum cascade lasers; Radio frequency; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
