Nonlinear rovibrational response in the propagation of long-wavelength infrared pulses and pulse trains

Phil Rosenow; Paris Panagiotopoulos; Miroslav Kolesik; Stephan W. Koch; Jerome V. Moloney

doi:10.1364/JOSAB.36.003457

Nonlinear rovibrational response in the propagation of long-wavelength infrared pulses and pulse trains

Phil Rosenow, Paris Panagiotopoulos, Miroslav Kolesik, Stephan W. Koch, Jerome V. Moloney

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

1 Scopus citations

Abstract

The propagation of long-wavelength pulses is affected by a multitude of near-resonant rovibrational transitions in atmospheric constituents, of which water vapor is generally the most abundant. We extract the pure nonlinear response of these transitions from a high-resolution transmission-based effective model, which is additive to the spectrally resolved linear response, and study the influence of this on the propagation of laser pulses and pulse trains. Compared to simulations with only electronic Kerr self-focusing, we find that the nonlinear rovibrational response introduces an additional modification to strongly self-focused laser pulses and stark changes to pulses that are close to the self-focusing threshold.

Original language	English (US)
Pages (from-to)	3457-3463
Number of pages	7
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	36
Issue number	12
DOIs	https://doi.org/10.1364/JOSAB.36.003457
State	Published - 2019

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Atomic and Molecular Physics, and Optics

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title = "Nonlinear rovibrational response in the propagation of long-wavelength infrared pulses and pulse trains",

abstract = "The propagation of long-wavelength pulses is affected by a multitude of near-resonant rovibrational transitions in atmospheric constituents, of which water vapor is generally the most abundant. We extract the pure nonlinear response of these transitions from a high-resolution transmission-based effective model, which is additive to the spectrally resolved linear response, and study the influence of this on the propagation of laser pulses and pulse trains. Compared to simulations with only electronic Kerr self-focusing, we find that the nonlinear rovibrational response introduces an additional modification to strongly self-focused laser pulses and stark changes to pulses that are close to the self-focusing threshold.",

author = "Phil Rosenow and Paris Panagiotopoulos and Miroslav Kolesik and Koch, {Stephan W.} and Moloney, {Jerome V.}",

note = "Funding Information: Funding. Air Force Office of Scientific Research (FA9550-19-1-0032); Office of Naval Research (N00014-17-1-2705). Publisher Copyright: {\textcopyright} 2019 Optical Society of America.",

year = "2019",

doi = "10.1364/JOSAB.36.003457",

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AU - Rosenow, Phil

AU - Panagiotopoulos, Paris

AU - Kolesik, Miroslav

AU - Koch, Stephan W.

AU - Moloney, Jerome V.

PY - 2019

Y1 - 2019

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AB - The propagation of long-wavelength pulses is affected by a multitude of near-resonant rovibrational transitions in atmospheric constituents, of which water vapor is generally the most abundant. We extract the pure nonlinear response of these transitions from a high-resolution transmission-based effective model, which is additive to the spectrally resolved linear response, and study the influence of this on the propagation of laser pulses and pulse trains. Compared to simulations with only electronic Kerr self-focusing, we find that the nonlinear rovibrational response introduces an additional modification to strongly self-focused laser pulses and stark changes to pulses that are close to the self-focusing threshold.

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Nonlinear rovibrational response in the propagation of long-wavelength infrared pulses and pulse trains

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