Title :
Coherent phonon induced ultrafast transient response in rigid rold-like /spl pi/-conjugated thin films
Author :
Giessen, H. ; Urbasch, G. ; Zamboni, R. ; Murgia, H. ; Mahrt, R.F.
Author_Institution :
Fachbereich Phys. Chem., Philipps-Univ., Marburg, Germany
Abstract :
Summary form only given. We have used the strong coupling between the coherent phonon mode and the exciton in an oligomer film to produce transient bleaching of the exciton if pumped one phonon below and to observe Raman gain due to coherent phonons.
Keywords :
excitons; optical films; optical saturable absorption; transient response; Raman gain; coherent phonon induced ultrafast transient response; coherent phonon mode; coherent phonons; oligomer film; pumped one phonon; strong coupling; transient bleaching; Bleaching; Excitons; Phonons; Pulse amplifiers; Pulse measurements; Semiconductor optical amplifiers; Stimulated emission; Transient response; Transistors; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2000. (QELS 2000). Technical Digest
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
1-55752-608-7