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Open AccessFeature PaperArticle

Exploiting the Nonlinear Dynamics of Optically Injected Semiconductor Lasers for Optical Sensing

1
Instituto de Física Arroyo Seco and CIFICEN (UNCPBA-CICPBA-CONICET), Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil 7000, Argentina
2
Departament de Física, Universitat Politècnica de Catalunya, Rambla St. Nebridi 22, 08222 Terrassa, Barcelona, Spain
*
Author to whom correspondence should be addressed.
Photonics 2019, 6(2), 45; https://doi.org/10.3390/photonics6020045
Received: 26 March 2019 / Revised: 17 April 2019 / Accepted: 19 April 2019 / Published: 24 April 2019
(This article belongs to the Special Issue Semiconductor Laser Dynamics: Fundamentals and Applications)
Optically injected semiconductor lasers are known to display a rich variety of dynamic behaviours, including the emission of excitable pulses, and of rare giant pulses (often referred to as optical rogue waves). Here, we use a well-known rate equation model to explore the combined effect of excitability and extreme pulse emission, for the detection of variations in the strength of the injected field. We find parameter regions where the laser always responds to a perturbation by emitting an optical pulse whose amplitude is above a pre-defined detection threshold. We characterize the sensing capability of the laser in terms of the amplitude and the duration of the perturbation. View Full-Text
Keywords: semiconductor lasers; nonlinear dynamics; optical injection semiconductor lasers; nonlinear dynamics; optical injection
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MDPI and ACS Style

Torre, M.S.; Masoller, C. Exploiting the Nonlinear Dynamics of Optically Injected Semiconductor Lasers for Optical Sensing. Photonics 2019, 6, 45.

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