Title :
Observation of coherent acoustic plasmons in photoexcited GaAs
Author :
Padmanabhans, P. ; Young, Stephanie ; Henstridge, M. ; Bhowmick, Sourav S. ; Bhattacharya, P.K. ; Merlin, R.
Author_Institution :
Dept. of Phys., Univ. of Michigan, Ann Arbor, MI, USA
Abstract :
We report on the observation of confined coherent acoustic plasmon waves in photoexcited GaAs using ultrafast pump probe experiments. Results are in good agreement with theoretical predictions under the random phase approximation.
Keywords :
III-V semiconductors; acousto-optical effects; gallium arsenide; high-speed optical techniques; light coherence; optical pumping; surface plasmons; GaAs; coherent acoustic plasmon wave confinement; photoexcited gallium arsenide; random phase approximation; ultrafast pump probe experiments; Acoustics; Charge carrier density; Harmonic analysis; Optical coupling; Oscillators; Plasmons; Probes;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
