The study of 3D FDTD modelling of large-scale Bragg gratings validated by experimental measurements

The study of 3D FDTD modelling of large-scale Bragg gratings validated by experimental measurements

This study discusses the importance of accurately calculating the optical response of Bragg gratings and the challenges associated with the 3D finite-difference time-domain (FDTD) method for simulating large-scale structures. The Bragg grating section in monolithic extended cavity diode lasers is of...

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Veröffentlicht in:JPhys photonics 2024-10, Vol.6 (4), p.45024
Hauptverfasser: Rahimof, Yasmin, Nechepurenko, Igor A, Mahani, M R, Tsarapkin, Aleksei, Wicht, Andreas
Format: Artikel
Sprache:eng
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Bragg gratings
FDTD simulations
Finite difference time domain method
mECDL
optical simulations
Semiconductor lasers
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container_issue 4
container_start_page 45024
container_title JPhys photonics
container_volume 6
creator Rahimof, Yasmin
Nechepurenko, Igor A
Mahani, M R
Tsarapkin, Aleksei
Wicht, Andreas
description This study discusses the importance of accurately calculating the optical response of Bragg gratings and the challenges associated with the 3D finite-difference time-domain (FDTD) method for simulating large-scale structures. The Bragg grating section in monolithic extended cavity diode lasers is of substantial size, making 3D FDTD simulations computationally challenging due to their complexity. In order to assess the accuracy of 3D simulations, we compare them with experimental results. Using a precise model design, involving a systematic analysis of simulation parameters, we obtain a good agreement between 3D FDTD simulations and the experimental results.
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subjects Bragg gratings
FDTD simulations
Finite difference time domain method
mECDL
optical simulations
Semiconductor lasers
title The study of 3D FDTD modelling of large-scale Bragg gratings validated by experimental measurements
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