Title :
Ultrafast photoinduced above-bandgap transparency in GaAs due to the dynamic Franz-Keldysh effect
Author :
Srivastava, A. ; Kono, J.
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA
Abstract :
We report the dynamic Franz-Keldysh effect in bulk GaAs. Ultrafast changes in transmission spectra near the band edge, including the first observation of photoinduced transparency as large as 40% are observed.
Keywords :
III-V semiconductors; gallium arsenide; high-speed optical techniques; self-induced transparency; GaAs; above-bandgap transparency; bulk GaAs; dynamic Franz-Keldysh effect; transmission spectra; ultrafast photoinduced transparency; Absorption; Gallium arsenide; Optical films; Optical mixing; Optical pumping; Photonic band gap; Probes; Pulse amplifiers; Pump lasers; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.238340
