Title :
Large enhancement of two-photon absorption in semiconductors using highly non-degenerate photons
Author :
Cirloganu, Claudiu M. ; Padilha, Lazaro A. ; Webster, Scott ; Nootz, Gero ; Hagan, David J. ; Van Stryland, Eric W.
Author_Institution :
Coll. of Opt. & Photonics, Univ. of Central Florida, Orlando, FL, USA
Abstract :
We performed frequency non-degenerate pump-probe experiments in several direct-gap semiconductors using femtosecond and picosecond pulses. Tuning the long wavelength photons in the IR region, we observed a 125-fold enhancement of the two-photon absorption coefficient.
Keywords :
Absorption; Frequency; Gallium arsenide; Nonlinear optics; Optical scattering; Photonic band gap; Probes; Ultrafast optics; Wavelength measurement; Zinc oxide;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
