Title :
Time-resolved measurements of near-infrared pulse induced ultrafast optical modulation of quantum cascade lasers
Author :
Hong Cai ; Sheng Liu ; Lalanne, Elaine ; Dingkai Guo ; Xing Chen ; Xiaojun Wang ; Fow-Sen Choa ; Johnson, Amy M.
Author_Institution :
Phys. Dept., UMBC, Baltimore, MD, USA
Abstract :
We temporally resolve ultrafast modulation of quantum cascade lasers (QCLs) using a near-infrared pump mid-infrared probe technique. We compare interband and intersubband transition mechanism assisted modulation of QCLs by using different pump wavelengths.
Keywords :
high-speed optical techniques; infrared spectra; laser variables measurement; optical modulation; optical pumping; quantum cascade lasers; time resolved spectra; interband transition mechanism; intersubband transition mechanism; near-infrared pulse induced ultrafast optical modulation; near-infrared pump midinfrared probe technique; quantum cascade lasers; time-resolved measurements; Optical modulation; Photonic band gap; Photonics; Probes; Quantum cascade lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
