Archivio Istituzionale della RicercaWe analyze the dynamical behavior of multimode VCSELs with elliptical oxide aperture. An advanced electromagnetic solver is employed to determine the electric field modal thresholds and emission frequencies, while mode competition is simulated with a time-domain mode expansion approach that accounts for coherent effects and carrier-photon spatial coupling. Preliminary performance analysis with NRZ PRBS shows an increase in the modulation bandwidth with respect to the single mode case, allowing for bitrates up to 70 Gbit/s.
Numerical analysis of multi-mode VCSELs for applications in high bitrate optical communication / Rimoldi, Cristina; Columbo, Lorenzo; Tibaldi, Alberto; Debernardi, Pierluigi; Gioannini, Mariangela. - ELETTRONICO. - (2023), pp. 95-96. (Intervento presentato al convegno 23rd International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2023) tenutosi a Turin, Italy nel 18 - 21 September 2023) [10.1109/NUSOD59562.2023.10273455].
Numerical analysis of multi-mode VCSELs for applications in high bitrate optical communication
Rimoldi, Cristina;Columbo, Lorenzo;Tibaldi, Alberto;Gioannini, Mariangela
2023
Abstract
We analyze the dynamical behavior of multimode VCSELs with elliptical oxide aperture. An advanced electromagnetic solver is employed to determine the electric field modal thresholds and emission frequencies, while mode competition is simulated with a time-domain mode expansion approach that accounts for coherent effects and carrier-photon spatial coupling. Preliminary performance analysis with NRZ PRBS shows an increase in the modulation bandwidth with respect to the single mode case, allowing for bitrates up to 70 Gbit/s.
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https://hdl.handle.net/11583/2982934