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Phys. Rev. A 77, 013405 (2008) [5 pages]

Method to image high-order harmonic generation and quantum trajectories in the real-time–frequency domain

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Pengfei Lan and Peixiang Lu*
1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China

Received 27 September 2007; published 11 January 2008

High-order harmonic generation (HHG) in a near infrared driving laser pulse by mixing a weak ultraviolet pulse is investigated and a different concept of attosecond temporal filter is proposed. We show that this temporal filter can be used to (i) select the specific high-order harmonics that one wants, (ii) image the HHG and quantum trajectories in the real-time–frequency domain, and (iii) determine the carrier-envelope phase of the driving laser pulse.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.77.013405
DOI:
10.1103/PhysRevA.77.013405
PACS:
32.80.Rm, 42.65.Re, 42.65.Ky

*Corresponding author. lupeixiang@mail.hust.edu.cn