Title :
Coherent THz-plasmons in AlGaAs/GaAs heterostructures
Author :
Fischler, W. ; Bratschitsch, Rudolf ; Hopfel, R.A. ; Zandler, G. ; Unterrainer, K.
Author_Institution :
Inst. fur Materialphys., Wien Univ., Austria
Abstract :
Summary form only given.We report on femtosecond time-resolved experiments that allow the generation and detection of coherent plasma oscillations tunable in the frequency range of 1-5 THz. The samples are GaAs-AlGaAs modulation doped single heterostructures with a GaAs capping layer.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; high-speed optical techniques; optical films; plasmons; semiconductor plasma; time resolved spectra; 1 to 5 THz; AlGaAs/GaAs heterostructures; GaAs capping layer; GaAs-AlGaAs; GaAs-AlGaAs modulation doped single heterostructures; coherent THz-plasmons; coherent plasma oscillations detection; coherent plasma oscillations generation; femtosecond time-resolved experiments; Damping; Frequency; Gallium arsenide; Optical coupling; Optical pumping; Optical scattering; Phonons; Plasma density; Plasmons; Ultrafast optics;
Conference_Titel :
Quantum Electronics Conference, 1998. IQEC 98. Technical Digest. Summaries of papers presented at the International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
1-55752-541-2
DOI :
10.1109/IQEC.1998.680317
