Title :
Ultrafast suppression and recovery of a resonant photonic bandgap
Author :
Prineas, J. ; Kuhl, J. ; Zhou, J.Y. ; Gibbs, H.M. ; Khitrova, G. ; Knorr, A. ; Koch, S.W.
Author_Institution :
Dept. of Phys. & Astron., Iowa Univ., Iowa City, IA, USA
Abstract :
Resonant photonic bandgap structures, formed by Bragg-spaced quantum wells, are studied experimentally with resonant pump-probe spectroscopy. We find ultrafast suppression due to the ac Stark effect and ultrafast recovery enabled by superradiant decay of the coherent polarization.
Keywords :
Stark effect; diffraction gratings; high-speed optical techniques; nonlinear optics; photonic band gap; resonant states; semiconductor quantum wells; Bragg-spaced quantum wells; ac Stark effect; coherent polarization; nonlinear properties; pump-probe spectroscopy; resonant photonic bandgap; superradiant decay; ultrafast recovery; ultrafast suppression; Nonlinear optics; Optical materials; Optical modulation; Periodic structures; Photonic band gap; Probes; Pulse measurements; Resonance; Solitons; Stark effect;
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.2003.237950
