Title :
Manipulating coherent LO phonons and phonon-plasmon coupling in highly doped p-GaAs
Author :
Hu, Jianbo ; Misochko, Oleg V. ; Goto, Arihiro ; Nakamura, Kazutaka G.
Author_Institution :
Mater. & Struct. Lab., Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
Femtosecond laser pulses are employed to coherently control the LO phonon strength and lifetime of LO phonon-plasmon coupled modes in a highly doped p-GaAs. The change in lifetime might be due to Landau damping.
Keywords :
III-V semiconductors; damping; gallium arsenide; high-speed optical techniques; phonons; plasmonics; GaAs; LO phonon strength; LO phonon-plasmon coupled mode lifetime; Landau damping; coherent LO phonons; femtosecond laser pulses; highly doped p-GaAs; Charge carrier density; Damping; Frequency modulation; Laser excitation; Phonons; Plasmons; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
