Title :
Coherent transitions in doped-germanium using intense few-cycle THz pulses
Author :
Nagai, Masaharu ; Kamon, Yutaka ; Minowa, Yosuke ; Matsubara, Eiichi ; Ashida, M.
Author_Institution :
Grad. Sch. of Eng. Sci., Osaka Univ., Toyonaka, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
We investigated nonlinear THz response of a doped semiconductor using intense THz pulses with different cycle-number. Coherent transitions between impurity levels were observed using few-cycle pulses, while ionization of impunities was driven by monocycle pulses.
Keywords :
elemental semiconductors; germanium; ionisation; microwave photonics; nonlinear optics; doped semiconductor; doped-germanium; impurity levels; intense few-cycle THz pulses; ionization; nonlinear THz response; Atomic measurements; Crystals; Electric fields; Impurities; Ionization; Laser transitions; Oscillators;
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference on
Conference_Location :
Kyoto
DOI :
10.1109/CLEOPR.2013.6599986
