Attosecond pulse shaping using partial phase matching

We propose a method for programmable shaping of the amplitude and phase of the extreme ultraviolet and x-ray attosecond pulses produced by high-order harmonic generation. It overcomes the bandwidth limitations of existing spectral filters and enables removal of the intrinsic attosecond chirp as well...

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Bibliographic Details
Published in:New journal of physics 2014-11, Vol.16 (11), p.113011-18
Main Authors: Austin, Dane R, Biegert, Jens
Format: Article
Language:English
Subjects:
06.60.Jn
42.65.Ky
Attosecond pulses
Chirp
Harmonic generations
high-order harmonic generation
Modulation
Phase matching
Physics
pulse shaping
Simulation
Spectra
Trains
ultrafast optics
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Summary:We propose a method for programmable shaping of the amplitude and phase of the extreme ultraviolet and x-ray attosecond pulses produced by high-order harmonic generation. It overcomes the bandwidth limitations of existing spectral filters and enables removal of the intrinsic attosecond chirp as well as the synthesis of pulse sequences. It is based on partial phase matching using a longitudinally addressable modulation. Although the method is in principle applicable to any form of partial phase matching, we focus on quasi-phase matching using a counterpropagating pulse train. We present simulations of the production of isolated attosecond pulses at 250 eV, including a 31 as transform-limited pulse, tunably chirped pulses and double pulses.
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/16/11/113011