Semiconductor saturable absorbers for ultrafast THz signals

Matthias C. Hoffmann; Dmitry Turchinovich

doi:10.1364/UP.2010.ME20

International Conference on Ultrafast Phenomena
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper ME20
•https://doi.org/10.1364/UP.2010.ME20

Semiconductor saturable absorbers for ultrafast THz signals

Matthias C. Hoffmann and Dmitry Turchinovich

International Conference on Ultrafast Phenomena 2010

Snowmass, Colorado United States
18–23 July 2010
ISBN: 978-1-55752-894-0

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Poster Session I (Continued) (ME)

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M. C. Hoffmann and D. Turchinovich, "Semiconductor saturable absorbers for ultrafast THz signals," in International Conference on Ultrafast Phenomena, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper ME20.

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Abstract

We demonstrate saturable absorber behavior of n-type semiconductors in the THz frequency range using nonlinear THz spectroscopy. Further, we observe THz pulse shortening and increase of the group refractive index at high field strengths.

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