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Conferences > CLEO > 2010 > CFG > CFG6

Large Enhancement of Two-Photon Absorption in Semiconductors Using Highly Non-Degenerate Photons

Claudiu M. Cirloganu, Lazaro A. Padilha, Scott Webster, Gero Nootz, David J. Hagan, and Eric W. Van Stryland

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Abstract

We performed frequency non-degenerate pump-probe experiments in several direct-gap semiconductors using femtosecond and picosecond pulses. Tuning the long wavelength photons in the IR region, we observed a 125-fold enhancement of the two-photon absorption coefficient.

© 2010 Optical Society of America

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