Title :
Femtosecond insulator-metal transition in VO2 induced by intense multi-THz transients
Author :
Grupp, A. ; Mayer, Barbara ; Schmidt, Christoph ; Oelmann, J. ; Marvel, R.E. ; Haglund, R.F. ; Leitenstorfer, Alfred ; Pashkin, A.
Author_Institution :
Dept. of Phys., Univ. of Konstanz, Konstanz, Germany
Abstract :
A non-thermal insulator-metal transition in VO2 has been driven by a non-resonant excitation at frequencies around 25 THz. A switching time of 80 fs is found, corresponding to approximately two cycles of the driving field.
Keywords :
metal-insulator transition; vanadium compounds; VO2; driving field cycle; femtosecond insulator-metal transition; intense multi-THz transients; nonresonant excitation; nonthermal insulator-metal transition; switching time; time 80 fs; Electric fields; Films; Lattices; Optical switches; Oscillators; Transient analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
