MIT Department of Electrical Engineering & Computer Science

E E C S

The Limits of Kerr-Lens-Modelocking of Ultrafast Lasers and Applications in Semiconductor Physics

Dr. Steven T. Cundiff
AT&T Bell Laboratories

Thursday, March 7, 1996
4:15 PM (4:00 refreshments)
Grier Room A, 34-401A
EECS Special Seminar

Abstract

Several recent experimental results in ultrafast optics will be presented. The first is an examination of the connection between spatial mode size and frequency in Kerr-lens-modelocked lasers. These results provide insight into the operation and limits of these lasers. Second, surface second harmonic studies of the Si-SiO2 interface will be presented. This technique is of significant applied interest as this interface is crucial for integrated circuits. Finally, the low-temperature coherent response of semiconductors will be examined. The coherent response shows a surprising coupling between states, resulting in a transient four-wave-mixing signal at energies having no spectral overlap with one of the excitation pulses.


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Created: Feb 12, 1996  | Modified: Jun 25, 1997
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