Title :
Femtosecond x-ray diffraction of structural changes in a semiconductor superlattice
Author :
Bargheer, M. ; Zhavoronkov, N. ; Gritsal, Y. ; Woo, Dong Hyuk ; Kim, Dae San ; Elsaesser, Thomas
Author_Institution :
Max-orn-Institut fur Nichtlineare Optik und Kurzzeitspektroskopie, Berlin
Abstract :
Femtosecond excitation of spatially modulated electron hole plasmas leads to an ultrafast structural response within the unit cell of GaAs/AlGaAs superlattices. The transient rocking curve reflects the expansion of wells and compression of barriers
Keywords :
III-V semiconductors; X-ray diffraction; aluminium compounds; gallium arsenide; high-speed optical techniques; plasma light propagation; semiconductor superlattices; GaAs-AlGaAs; GaAs/AlGaAs superlattices; barrier compression; femtosecond X-ray diffraction; spatially modulated electron hole plasmas; well expansion;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
