In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air
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PhysRevLett.123.223203.pdf
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Author
Ren, XiaomingWang, Yang
Chang, Zenghu
Welch, James
Bernstein, Aaron
Downer, Michael
Brown, Jeffrey
Gaarde, Mette
Couairon, Arnaud
Kolesik, Miroslav
Polynkin, Pavel
Affiliation
Univ Arizona, Ctr Opt SciIssue Date
2019-11-29
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AMER PHYSICAL SOCCitation
Ren, X., Wang, Y., Chang, Z., Welch, J., Bernstein, A., & Downer, M. et al. (2019). In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air. Physical Review Letters, 123(22). doi: 10.1103/physrevlett.123.223203Journal
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Copyright © 2019 American Physical Society.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
We investigate the nonlinear propagation of intense, two-cycle, carrier-envelope phase (CEP) stable laser pulses at 1.7 μ m center wavelength in air. We observe CEP-dependent spectral interference in the visible part of the forward-propagating white light generated on propagation. The effect is robust against large fluctuations of the input pulse energy. This robustness is enabled by rigid clamping of both the peak optical field and the phase of the propagating waveform, which has been revealed by numerical simulations. The CEP locking can enhance the yield of the CEP-dependent strong-field processes in gaseous media with long-wavelength drivers, while the observed spectral interference enables single-shot, stand-off CEP metrology in the atmosphere.ISSN
0031-9007PubMed ID
31868407Version
Final published versionSponsors
U.S. Air Force Office of Scientific Research under MURI Grant [FA9550-16-1-0013]; US AFOSR MURI Grant [FA9550-16-1-0121]ae974a485f413a2113503eed53cd6c53
10.1103/PhysRevLett.123.223203
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