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Science 2 November 2001:
Vol. 294. no. 5544, pp. 1080 - 1082
DOI: 10.1126/science.1065163
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Reports

Tracking Femtosecond Laser Pulses in Space and Time

M. L. M. Balistreri,* H. Gersen,* J. P. Korterik, L. Kuipers, N. F. van Hulstdagger

We show that the propagation of a femtosecond laser pulse inside a photonic structure can be directly visualized and tracked as it propagates using a time-resolved photon scanning tunneling microscope. From the time-dependent and phase-sensitive measurements, both the group velocity and the phase velocity are unambiguously and simultaneously determined. It is expected that this technique will find applications in the investigation of the local dynamic behavior of photonic crystals and integrated optical circuits.

Applied Optics group, Department of Applied Physics and MESA+ Research Institute, University of Twente, Post Office Box 217, 7500 AE Enschede, Netherlands.
*   These authors contributed equally to this work.

dagger    To whom correspondence should be addressed. E-mail: N.F.vanHulst{at}tn.utwente.nl

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Probing the Magnetic Field of Light at Optical Frequencies.
M. Burresi, D. van Oosten, T. Kampfrath, H. Schoenmaker, R. Heideman, A. Leinse, and L. Kuipers (2009)
Science 326, 550-553
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