Archivio Istituzionale della RicercaA preliminary study of the dynamic behaviour of a GaAs/AlGaAs 850 nm VCSEL is presented, with the focus on the small-signal analysis and in particular on the optical amplitude modulation response. Simulations are performed with our in-house quantum-corrected one-dimensional drift-diffusion code D1ANA, updated to perform the AC analysis. The-3 dB cutoff frequency of the device is extracted as a function of VCSEL bias current and compared with experimental results.
Modulation response of VCSELs: a physics-based simulation approach / Gullino, Alberto; Tibaldi, Alberto; Bertazzi, Francesco; Goano, Michele; Daubenschuz, Markus; Michalzik, Rainer; Debernardi, Pierluigi. - STAMPA. - (2020), pp. 65-66. (Intervento presentato al convegno 20th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2020) tenutosi a Online conference nel September 2020) [10.1109/NUSOD49422.2020.9217650].
Modulation response of VCSELs: a physics-based simulation approach
Gullino, Alberto;Tibaldi, Alberto;Bertazzi, Francesco;Goano, Michele;Debernardi, Pierluigi
2020
Abstract
A preliminary study of the dynamic behaviour of a GaAs/AlGaAs 850 nm VCSEL is presented, with the focus on the small-signal analysis and in particular on the optical amplitude modulation response. Simulations are performed with our in-house quantum-corrected one-dimensional drift-diffusion code D1ANA, updated to perform the AC analysis. The-3 dB cutoff frequency of the device is extracted as a function of VCSEL bias current and compared with experimental results.
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https://hdl.handle.net/11583/2848156