Title :
Investigation of giant Kerr nonlinearity in quantum cascade lasers using fs mid-IR pulses
Author :
Cai, Hong ; Liu, Sheng ; Lalanne, Elaine ; Liu, Peter Q. ; Bouzi, Pierre ; Wang, Xiaojun ; Johnson, Anthony M.
Author_Institution :
Phys. Dept., UMBC, Baltimore, MD, USA
Abstract :
Femtosecond mid-IR pulses were coupled into a quantum cascade laser. The spectral broadening and far-field profile of the transmitted pulses showed an intensity dependence. n2 was experimentally estimated to be on the order of ~10-9cm2/W.
Keywords :
high-speed optical techniques; infrared sources; laser beams; optical Kerr effect; quantum cascade lasers; spectral line broadening; far-field profile; femtosecond mid-IR pulses; fs mid-IR pulses; giant Kerr nonlinearity; intensity dependence; quantum cascade lasers; spectral broadening; transmitted pulses; Laser beams; Nonlinear optics; Optical pumping; Quantum cascade lasers; USA Councils; Ultrafast optics;
Conference_Titel :
Photonics Conference (IPC), 2012 IEEE
Conference_Location :
Burlingame, CA
Print_ISBN :
978-1-4577-0731-5
DOI :
10.1109/IPCon.2012.6358741
