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Dynamics of broad-ridge AlGaInN laser diodes

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Dynamics of broad-ridge AlGaInN laser diodes/ by Lukas Uhlig.
Author:	Uhlig, Lukas.
Published:	Cham :Springer Nature Switzerland : : 2025.,
Description:	xxiii, 142 p. :ill. (chiefly col.), digital ; : 24 cm.;
Notes:	"Doctoral thesis accepted by the Faculty of Natural Sciences, Chemnitz University of Technology, Chemnitz, Germany."
Contained By:	Springer Nature eBook
Subject:	Diodes, Semiconductor. -
Online resource:	https://doi.org/10.1007/978-3-031-98293-4
ISBN:	9783031982934

Dynamics of broad-ridge AlGaInN laser diodes
Uhlig, Lukas.

Dynamics of broad-ridge AlGaInN laser diodes[electronic resource] /by Lukas Uhlig. - Cham :Springer Nature Switzerland :2025. - xxiii, 142 p. :ill. (chiefly col.), digital ;24 cm. - Springer theses,2190-5061. - Springer theses..

"Doctoral thesis accepted by the Faculty of Natural Sciences, Chemnitz University of Technology, Chemnitz, Germany."

Introduction -- Fundamentals and Theory -- Methods -- Static Effects in Broad-Ridge Laser Diodes -- Dynamics of Longitudinal and Lateral Modes -- Conclusions.

Broad-ridge laser diodes in the AlGaInN material system are efficient, high power laser sources in the visible spectral range. The broad waveguide gives rise to multiple active lateral modes, which lead to multiple longitudinal mode combs in the spectrum. In this work, the static longitudinal-lateral mode configuration as well as the mode dynamics are investigated, using different experimental techniques and numerical simulation. The static behavior is analyzed by high-resolution spectroscopy in near field and far field conditions. This allows to identify the active lateral modes, to distinguish lateral multi-mode operation from filamentation, and to study the influence of mode clustering and the current. With a streak camera setup, the lateral-spectral-temporal behavior is studied shortly after the pulse onset, as well as in the regime of mode competition. To investigate the mode competition process involving multiple lateral modes, a rate equation model is developed to numerically simulate the longitudinal-lateral mode dynamics. Based on this simulation approach, the influence of the most relevant parameters and the effect of mode clustering on the periodicity of the mode competition process is analyzed.

ISBN: 9783031982934

Standard No.: 10.1007/978-3-031-98293-4doiSubjects--Topical Terms:

779248
Diodes, Semiconductor.

LC Class. No.: TK7871.86

Dewey Class. No.: 621.381522

Dynamics of broad-ridge AlGaInN laser diodes
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520 $a Broad-ridge laser diodes in the AlGaInN material system are efficient, high power laser sources in the visible spectral range. The broad waveguide gives rise to multiple active lateral modes, which lead to multiple longitudinal mode combs in the spectrum. In this work, the static longitudinal-lateral mode configuration as well as the mode dynamics are investigated, using different experimental techniques and numerical simulation. The static behavior is analyzed by high-resolution spectroscopy in near field and far field conditions. This allows to identify the active lateral modes, to distinguish lateral multi-mode operation from filamentation, and to study the influence of mode clustering and the current. With a streak camera setup, the lateral-spectral-temporal behavior is studied shortly after the pulse onset, as well as in the regime of mode competition. To investigate the mode competition process involving multiple lateral modes, a rate equation model is developed to numerically simulate the longitudinal-lateral mode dynamics. Based on this simulation approach, the influence of the most relevant parameters and the effect of mode clustering on the periodicity of the mode competition process is analyzed.
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