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Paolo Bardella on Muck Rack

Paolo Bardella

As seen in: Optica
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Articles

Particle swarm optimization-assisted approach for the extraction of VCSEL model parameters

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By Andrea Carena, Paolo Bardella, Andrea Marchisio, Vittorio Curri
| Optica Verified
We propose a direct particle swarm optimization (PSO) method for extracting the parameters of a physical model describing the behavior of vertical-cavity surface-emitting lasers (VCSELs), starting from the light-current (L-I) characteristics and the small signal modulation (S21) responses, at different currents and temperatures. With an optimal choice of hyperparameters of the algorithm, the method is able to predict parameters that accurately reproduce the behavior of the device.
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Threshold behavior of optical frequency comb self-generation in an InAs/InGaAs quantum dot laser

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By Christoph A. Weber, Lorenzo L. Columbo, Mariangela Gioannini, Paolo Bardella
| osapublishing.org
Abstract We report on a significant reduction of both the radio-frequency beat note line width at 40.7 GHz and the integrated relative intensity noise of a 1 mm long edge-emitting monolithic Fabry–Perot InAs/InGaAs quantum dot semiconductor laser emitting from the ground state at 1250 nm by injection current control.
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