Title :
Probing electron wavefunctions in quantum wells using ultrafast coherent acoustic phonon generation
Author :
Wright, O.B. ; Tachizaki, T. ; Matsuda, O. ; Fukui, T. ; Baumberg, J.J.
Author_Institution :
Dept. of Appl. Phys., Hokkaido Univ., Sapporo
Abstract :
Individual quantum wells in GaAs/AlGaAs heterostructures are selectively excited by ultrashort wavelength-tunable optical pulses. We demonstrate how the electron and hole wavefunctions can be probed from the generated coherent acoustic phonon pulses
Keywords :
electron-phonon interactions; high-speed optical techniques; semiconductor quantum wells; wave functions; GaAs-AlGaAs; GaAs/AlGaAs heterostructures; acoustic phonon generation; acoustic phonon pulses; coherent phonon generation; electron wavefunctions; hole wavefunctions; quantum wells; ultrafast phonon generation; ultrashort optical pulses; wavelength-tunable optical pulses;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
