Title :
Coherent phonons imprinted into reflectivity oscillations of laser-excited Bi through electron-phonon coupling
Author :
Boschetto, D. ; Gamaly, E.G. ; Rode, A.V. ; Luther-Davies, B. ; Glijer, D. ; Garl, T. ; Albert, O. ; Rousse, A. ; Etchepare, J.
Author_Institution :
Laboratoire d?Optique Appliquee, ENSTA/Ecole Polytechmique, Chemin de la Huniere, Palaiseau, France
Abstract :
We show that the reflectivity of laser-excited solid relates to phonons, driven by thermal forces, through the electron-phonon coupling rate. Controlled excitation of phonons is available by the optimum combination of laser and material parameters.
Keywords :
Bismuth; Electrons; Laser excitation; Laser theory; Optical control; Optical coupling; Phonons; Reflectivity; Solid lasers; Thermal force;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431052
