In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air

Xiaoming Ren; Yang Wang; Zenghu Chang; James Welch; Aaron Bernstein; Michael Downer; Jeffrey Brown; Mette Gaarde; Arnaud Couairon; Miroslav Kolesik; Pavel Polynkin

doi:10.1103/PhysRevLett.123.223203

In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air

Xiaoming Ren, Yang Wang, Zenghu Chang, James Welch, Aaron Bernstein, Michael Downer, Jeffrey Brown, Mette Gaarde, Arnaud Couairon, Miroslav Kolesik, Pavel Polynkin

Optical Sciences

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We investigate the nonlinear propagation of intense, two-cycle, carrier-envelope phase (CEP) stable laser pulses at 1.7 μm 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.

Original language	English (US)
Pages (from-to)	223203
Number of pages	1
Journal	Physical review letters
Volume	123
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.123.223203
State	Published - Nov 29 2019

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.123.223203

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title = "In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air",

abstract = "We investigate the nonlinear propagation of intense, two-cycle, carrier-envelope phase (CEP) stable laser pulses at 1.7 μm 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.",

author = "Xiaoming Ren and Yang Wang and Zenghu Chang and James Welch and Aaron Bernstein and Michael Downer and Jeffrey Brown and Mette Gaarde and Arnaud Couairon and Miroslav Kolesik and Pavel Polynkin",

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T1 - In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air

AU - Ren, Xiaoming

AU - Wang, Yang

AU - Chang, Zenghu

AU - Welch, James

AU - Bernstein, Aaron

AU - Downer, Michael

AU - Brown, Jeffrey

AU - Gaarde, Mette

AU - Couairon, Arnaud

AU - Kolesik, Miroslav

AU - Polynkin, Pavel

PY - 2019/11/29

Y1 - 2019/11/29

N2 - We investigate the nonlinear propagation of intense, two-cycle, carrier-envelope phase (CEP) stable laser pulses at 1.7 μm 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.

AB - We investigate the nonlinear propagation of intense, two-cycle, carrier-envelope phase (CEP) stable laser pulses at 1.7 μm 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.

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In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air

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