19 February 2018 Behavioral modeling of VCSELs for high-speed optical interconnects
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Abstract
Transition from on-off keying to 4-level pulse amplitude modulation (PAM) in VCSEL based optical interconnects allows for an increase of data rates, at the cost of 4.8 dB sensitivity penalty. The resulting strained link budget creates a need for accurate VCSEL models for driver integrated circuit (IC) design and system level simulations. Rate equation based equivalent circuit models are convenient for the IC design, but system level analysis requires computationally efficient closed form behavioral models based Volterra series and neural networks. In this paper we present and compare these models.
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Krzysztof Szczerba, Chris Kocot, "Behavioral modeling of VCSELs for high-speed optical interconnects", Proc. SPIE 10552, Vertical-Cavity Surface-Emitting Lasers XXII, 1055204 (19 February 2018); doi: 10.1117/12.2295835; https://doi.org/10.1117/12.2295835
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