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Parametric study of 1310 nm ridge waveguide AlGaInAs-InP semi-conductor laser dynamics

May 17, 2015

Abstract – Dynamic performance of directly modulated Fabry-Pérot lasers is presented in this work subject to variation of parameters such as cavity length and facet reflectivity. This study is focused on the effect that physical parameters have on the slope of the laser resonance frequency against the square root of the injection current. Temperature variation is also studied to determine modulation bandwidth available for high speed device operation at 10 Gbps. The effect of facet reflectivity and temperature over the laser spectrum and wavelength is also discussed.