Chirped Attosecond Photoelectron Spectroscopy

G. L. Yudin, A. D. Bandrauk, and P. B. Corkum
Phys. Rev. Lett. 96, 063002 – Published 14 February 2006

Abstract

We study analytically the photoionization of a coherent superposition of electronic states and show that chirped pulses can measure attosecond time scale electron dynamics just as effectively as transform-limited attosecond pulses of the same bandwidth. The chirped pulse with a frequency-dependent phase creates the interfering photoelectron amplitudes that measure the electron dynamics. We show that at a given pump-probe time delay the differential asymmetry oscillates as a function of photoelectron energy. Our results suggest that the important parameter for attosecond science is not the pulse duration, but the bandwidth of phased radiation.

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  • Received 7 October 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.063002

©2006 American Physical Society

Authors & Affiliations

G. L. Yudin1,2, A. D. Bandrauk1, and P. B. Corkum2

  • 1Laboratoire de Chimie Théorique, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
  • 2National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada

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Issue

Vol. 96, Iss. 6 — 17 February 2006

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