Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity

Abstract Semiconductor-based mode-locked lasers, integrated sources enabling the generation of coherent ultra-short optical pulses, are important for a wide range of applications, including datacom, optical ranging and spectroscopy. As their performance remains largely unpredictable due to the lack...

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Autores principales:	Stijn Cuyvers, Stijn Poelman, Kasper Van Gasse, Bart Kuyken
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fb52cd4f659a450eab2c04ff4491d448
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spelling	oai:doaj.org-article:fb52cd4f659a450eab2c04ff4491d4482021-12-02T14:35:40ZHybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity10.1038/s41598-021-89508-62045-2322https://doaj.org/article/fb52cd4f659a450eab2c04ff4491d4482021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89508-6https://doaj.org/toc/2045-2322Abstract Semiconductor-based mode-locked lasers, integrated sources enabling the generation of coherent ultra-short optical pulses, are important for a wide range of applications, including datacom, optical ranging and spectroscopy. As their performance remains largely unpredictable due to the lack of commercial design tools and the poorly understood mode-locking dynamics, significant research has focused on their modeling. In recent years, traveling-wave models have been favored because they can efficiently incorporate the rich semiconductor physics of the laser. However, thus far such models struggle to include nonlinear and dispersive effects of an extended passive laser cavity, which can play an important role for the temporal and spectral pulse evolution and stability. To overcome these challenges, we developed a hybrid modeling strategy by unifying the traveling-wave modeling technique for the semiconductor laser sections with a split-step Fourier method for the extended passive laser cavity. This paper presents the hybrid modeling concept and exemplifies for the first time the significance of the third order nonlinearity and dispersion of the extended cavity for a 2.6 GHz III–V-on-Silicon mode-locked laser. This modeling approach allows to include a wide range of physical phenomena with low computational complexity, enabling the exploration of novel operating regimes such as chip-scale soliton mode-locking.Stijn CuyversStijn PoelmanKasper Van GasseBart KuykenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Stijn Cuyvers Stijn Poelman Kasper Van Gasse Bart Kuyken Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity
description	Abstract Semiconductor-based mode-locked lasers, integrated sources enabling the generation of coherent ultra-short optical pulses, are important for a wide range of applications, including datacom, optical ranging and spectroscopy. As their performance remains largely unpredictable due to the lack of commercial design tools and the poorly understood mode-locking dynamics, significant research has focused on their modeling. In recent years, traveling-wave models have been favored because they can efficiently incorporate the rich semiconductor physics of the laser. However, thus far such models struggle to include nonlinear and dispersive effects of an extended passive laser cavity, which can play an important role for the temporal and spectral pulse evolution and stability. To overcome these challenges, we developed a hybrid modeling strategy by unifying the traveling-wave modeling technique for the semiconductor laser sections with a split-step Fourier method for the extended passive laser cavity. This paper presents the hybrid modeling concept and exemplifies for the first time the significance of the third order nonlinearity and dispersion of the extended cavity for a 2.6 GHz III–V-on-Silicon mode-locked laser. This modeling approach allows to include a wide range of physical phenomena with low computational complexity, enabling the exploration of novel operating regimes such as chip-scale soliton mode-locking.
format	article
author	Stijn Cuyvers Stijn Poelman Kasper Van Gasse Bart Kuyken
author_facet	Stijn Cuyvers Stijn Poelman Kasper Van Gasse Bart Kuyken
author_sort	Stijn Cuyvers
title	Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity
title_short	Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity
title_full	Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity
title_fullStr	Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity
title_full_unstemmed	Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity
title_sort	hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fb52cd4f659a450eab2c04ff4491d448
work_keys_str_mv	AT stijncuyvers hybridmodelingapproachformodelockedlaserdiodeswithcavitydispersionandnonlinearity AT stijnpoelman hybridmodelingapproachformodelockedlaserdiodeswithcavitydispersionandnonlinearity AT kaspervangasse hybridmodelingapproachformodelockedlaserdiodeswithcavitydispersionandnonlinearity AT bartkuyken hybridmodelingapproachformodelockedlaserdiodeswithcavitydispersionandnonlinearity
_version_	1718391110329434112

Hybrid modeling approach for mode-locked laser diodes with cavity dispersion and nonlinearity

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