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28 April 2016 Capacitance and modulation time constant in oxide-confined vertical-cavity surface-emitting lasers with different oxide layers
Michał Wasiak, Patrycja Śpiewak, Philip Moser, James A. Lott
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Proceedings Volume 9892, Semiconductor Lasers and Laser Dynamics VII; 989211 (2016) https://doi.org/10.1117/12.2230312
Event: SPIE Photonics Europe, 2016, Brussels, Belgium
Abstract
In this paper we analyze the influence of the thickness of two oxide layers in a typical oxide-confined vertical-cavity surface-emitting laser (VCSEL) on the capacitance of the device and its electrical modulation properties. An analysis of the distribution of the potential and the energy of the electric field in this device is presented, and the influence of these fields on the laser's capacitance is described. It is shown that the oxide layer closest to the active region contributes in a very different way to the laser's capacitance compared to the second slightly more distant oxide layer, and a quantitative analysis of the impact of the thicknesses of these layers on the modulation time constants is presented.
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Michał Wasiak, Patrycja Śpiewak, Philip Moser, and James A. Lott "Capacitance and modulation time constant in oxide-confined vertical-cavity surface-emitting lasers with different oxide layers", Proc. SPIE 9892, Semiconductor Lasers and Laser Dynamics VII, 989211 (28 April 2016); https://doi.org/10.1117/12.2230312
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KEYWORDS
Oxides
Capacitance
Modulation
Modulation
Vertical cavity surface emitting lasers
Oxidation
Resistance
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