Title :
Multi-photon absorption and nonlinear refraction of GaAs in the mid-infrared
Author :
Hurlbut, W.C. ; Vodopyanov, K.L. ; Kuo, P.S. ; Fejer, M.M. ; Lee, Yun-Shik
Author_Institution :
Dept. of Phys., Oregon State Univ., Corvallis, OR
Abstract :
We report the wavelength dependences of the two- and three-photon absorption coefficients and nonlinear refractive indices of undoped GaAs in the spectral range 1.3-3.5 mum. We have used 100-fs-long optical pulses and the Z-scan method.
Keywords :
III-VI semiconductors; absorption coefficients; gallium arsenide; high-speed optical techniques; infrared spectra; refractive index; two-photon spectra; GaAs; Z-scan method; midinfrared absorption spectra; nonlinear refractive index; three-photon absorption coefficients; time 100 fs; two-photon absorption coefficients; wavelength 1.3 mum to 3.5 mum; Absorption; Apertures; Gallium arsenide; Nonlinear optical devices; Nonlinear optics; Optical devices; Optical pulses; Optical refraction; Optical variables control; Ultrafast optics; (190.4180) Multiphoton processes; (190.4720) Optical nonlinearities of condensed matter;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4629057
