Revisiting soliton dynamics in fiber optics under strict photon-number conservation

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"We revisit the complex interplay between the Raman-induced frequency shift (RIFS) and the effect of self steepening (SS) in the propagation of solitons, and in the frame work of an equation that ensures strict conservation of the num ber of photons. The generalized nonlinear Schrodinger equati...

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Autores principales: Linale, N., Fierens, Pablo Ignacio, Grosz, Diego
Formato: Artículos de Publicaciones Periódicas acceptedVersion
Lenguaje:Inglés
Publicado: 2022
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OPTICA NO LINEAL
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Acceso en línea:http://ri.itba.edu.ar/handle/123456789/3906
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Repositorio Institucional Instituto Tecnológico de Buenos Aires (ITBA) de Instituto Tecnológico de Buenos Aires (ITBA)
id I32-R138-123456789-3906
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spelling I32-R138-123456789-39062022-12-07T13:06:10Z Revisiting soliton dynamics in fiber optics under strict photon-number conservation Linale, N. Fierens, Pablo Ignacio Grosz, Diego OPTICA NO LINEAL DISPERSION "We revisit the complex interplay between the Raman-induced frequency shift (RIFS) and the effect of self steepening (SS) in the propagation of solitons, and in the frame work of an equation that ensures strict conservation of the num ber of photons. The generalized nonlinear Schrodinger equation (GNLSE) is shown to severely fail in preserving the number of photons for sub-100-fs solitons, leading to a large overestimation of the frequency shift. Furthermore, when considering the case of a frequency-dependent nonlinear coefficient, the GNLSE also fails to provide a good estimation of the time shift experienced by the soliton. We tackle these shortcomings of the GNLSE by resorting to the recently introduced photon-conserving GNLSE (pcGNLSE) and study the interplay between the RIFS and self steepening. As a result, we make apparent the impact of higher order nonlinearities on short-soliton propagation and propose an original and direct method for the estimation of the second-order nonlinear coefficient." 2022-06-02T19:33:03Z 2022-06-02T19:33:03Z 2021 Artículos de Publicaciones Periódicas info:eu-repo/semantics/acceptedVersion 1558-1713 http://ri.itba.edu.ar/handle/123456789/3906 en info:eu-repo/semantics/altIdentifier/doi/10.1109/JQE.2020.3047691 application/pdf
institution Instituto Tecnológico de Buenos Aires (ITBA)
institution_str I-32
repository_str R-138
collection Repositorio Institucional Instituto Tecnológico de Buenos Aires (ITBA)
language Inglés
topic OPTICA NO LINEAL
DISPERSION
spellingShingle OPTICA NO LINEAL
DISPERSION
Linale, N.
Fierens, Pablo Ignacio
Grosz, Diego
Revisiting soliton dynamics in fiber optics under strict photon-number conservation
topic_facet OPTICA NO LINEAL
DISPERSION
description "We revisit the complex interplay between the Raman-induced frequency shift (RIFS) and the effect of self steepening (SS) in the propagation of solitons, and in the frame work of an equation that ensures strict conservation of the num ber of photons. The generalized nonlinear Schrodinger equation (GNLSE) is shown to severely fail in preserving the number of photons for sub-100-fs solitons, leading to a large overestimation of the frequency shift. Furthermore, when considering the case of a frequency-dependent nonlinear coefficient, the GNLSE also fails to provide a good estimation of the time shift experienced by the soliton. We tackle these shortcomings of the GNLSE by resorting to the recently introduced photon-conserving GNLSE (pcGNLSE) and study the interplay between the RIFS and self steepening. As a result, we make apparent the impact of higher order nonlinearities on short-soliton propagation and propose an original and direct method for the estimation of the second-order nonlinear coefficient."
format Artículos de Publicaciones Periódicas
acceptedVersion
author Linale, N.
Fierens, Pablo Ignacio
Grosz, Diego
author_facet Linale, N.
Fierens, Pablo Ignacio
Grosz, Diego
author_sort Linale, N.
title Revisiting soliton dynamics in fiber optics under strict photon-number conservation
title_short Revisiting soliton dynamics in fiber optics under strict photon-number conservation
title_full Revisiting soliton dynamics in fiber optics under strict photon-number conservation
title_fullStr Revisiting soliton dynamics in fiber optics under strict photon-number conservation
title_full_unstemmed Revisiting soliton dynamics in fiber optics under strict photon-number conservation
title_sort revisiting soliton dynamics in fiber optics under strict photon-number conservation
publishDate 2022
url http://ri.itba.edu.ar/handle/123456789/3906
work_keys_str_mv AT linalen revisitingsolitondynamicsinfiberopticsunderstrictphotonnumberconservation
AT fierenspabloignacio revisitingsolitondynamicsinfiberopticsunderstrictphotonnumberconservation
AT groszdiego revisitingsolitondynamicsinfiberopticsunderstrictphotonnumberconservation
_version_ 1765661116420063232

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