DocumentCode :
444236
Title :
Polaronic signatures in intersubband transitions of strongly polar semiconductor heterostructures
Author :
Wang, Z. ; Reimann, K. ; Woerner, M. ; Elsaesser, T. ; Hofstetter, D. ; Hwang, J. ; Schaff, W.J. ; Eastman, L.F.
Author_Institution :
Max-Born-Inst. fur Nichtlineare Optik und Kurzzeitspektroskopie, Berlin, Germany
Volume :
1
fYear :
2005
fDate :
22-27 May 2005
Firstpage :
637
Abstract :
Femtosecond two-color pump-probe experiments in the mid-infrared give the first evidence for a distinct optical phonon progression in the linear and nonlinear intersubband absorption spectra of electrons in a GaN/Al0.8Ga0.2N heterostructure.
Keywords :
electron-phonon interactions; high-speed optical techniques; infrared spectra; polarons; semiconductor quantum wells; GaN-Al0.8Ga0.2N; GaN/Al0.8Ga0.2N; femtosecond two-color pump-probe; intersubband absorption spectra; intersubband transition; optical phonon progression; polar semiconductor heterostructure; polaronic signatures; Absorption; Electron optics; Gallium nitride; Nonlinear optics; Optical pumping; Phonons; Physics; Probes; Ultrafast electronics; Ultrafast optics;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
Type :
conf
DOI :
10.1109/QELS.2005.1548880
Filename :
1548880
Link To Document :
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