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Generation of sub-optical-cycle, carrier-envelope-phase—insensitive, extreme-uv pulses via nonlinear stabilization in a waveguide

Arvinder S. Sandhu, Etienne Gagnon, Ariel Paul, Isabell Thomann, Amy Lytle, Tracy Keep, Margaret M. Murnane, Henry C. Kapteyn, and Ivan P. Christov
Phys. Rev. A 74, 061803(R) – Published 29 December 2006

Abstract

We present evidence for a new regime of high-harmonic generation in a waveguide where bright, sub-optical-cycle, quasimonochromatic, extreme ultraviolet (EUV) light is generated via a mechanism that is relatively insensitive to carrier-envelope phase fluctuations. The interplay between the transient plasma which determines the phase matching conditions and the instantaneous laser intensity which drives harmonic generation gives rise to a new nonlinear stabilization mechanism in the waveguide, localizing the phase-matched EUV emission to within sub-optical-cycle duration. The sub-optical-cycle EUV emission generated by this mechanism can also be selectively optimized in the spectral domain by simple tuning of parameters.

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  • Received 11 March 2006

DOI:https://doi.org/10.1103/PhysRevA.74.061803

©2006 American Physical Society

Authors & Affiliations

Arvinder S. Sandhu*, Etienne Gagnon, Ariel Paul, Isabell Thomann, Amy Lytle, Tracy Keep, Margaret M. Murnane, and Henry C. Kapteyn

  • JILA, University of Colorado and NIST, Boulder, Colorado 80309-0440, USA

Ivan P. Christov

  • Department of Physics, Sofia University, Sofia 1164, Bulgaria

  • *Email address: arvinder@jilau1.colorado.edu
  • Email address: christov@jila.colorado.edu

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Issue

Vol. 74, Iss. 6 — December 2006

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