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Proceedings Paper

Nonlinear space-time processing of femtosecond laser pulses
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Paper Abstract

We describe various optical techniques for processing and detection of femtosecond laser pulses. Photorefractive and cascaded second order nonlinear wave mixing are used for space-to-time conversion, transforming space domain information into ultrafast temporal waveforms. An inverse operation that transforms a femtosecond pulse sequence into a quasi-stationary spatial image is performed with spectral domain three wave-mixing. We also demonstrate single-shot phase sensitive femtosecond pulse detection with two-photon absorption in a conventional silicon detector array. This approach allows efficient detection of wide-bandwidth ultrafast signals in the wavelength range of 1-2 μm.

Paper Details

Date Published: 20 November 2002
PDF: 12 pages
Proc. SPIE 4803, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VIII, (20 November 2002); doi: 10.1117/12.452709
Show Author Affiliations
Dmitriy Panasenko, Univ. of California/San Diego (United States)
Rostislav I. Rokitski, Univ. of California/San Diego (United States)
Dan M. Marom, Univ. of California/San Diego (United States)
Yuri T. Mazurenko, Univ. of California/San Diego (United States)
Pang-Chen Sun, Univ. of California/San Diego (United States)
Yeshaiahu Fainman, Univ. of California/San Diego (United States)


Published in SPIE Proceedings Vol. 4803:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VIII
Francis T. S. Yu; Ruyan Guo, Editor(s)

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