23 February 2018 A novel biasing dependent circuit model of resonant cavity enhanced avalanche photodetectors (RCE-APDs)
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Abstract
In Resonant Cavity Enhanced Photodetectors (RCE-PDs), the trade-off between the bandwidth and the quantum efficiency in the conventional photodetectors is overcome. In RCE-PDs, large bandwidth can be achieved using a thin absorption layer while the use of a resonant cavity allows for multiple passes of light in the absorption which boosts the quantum efficiency. In this paper, a complete bias-dependent model for the Resonant Cavity Enhanced-Separated Absorption Graded Charge Multiplication-Avalanche Photodetector (RCE-SAGCM-APD) is presented. The proposed model takes into account the case of drift velocities other than the saturation velocity, thus modeling this effect on the photodetector different design parameters such as Gain, Bandwidth and Gain-Bandwidth product.
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Mostafa R. Abdelhamid, Yasser M. El-Batawy, M. Jamal Deen, "A novel biasing dependent circuit model of resonant cavity enhanced avalanche photodetectors (RCE-APDs)", Proc. SPIE 10526, Physics and Simulation of Optoelectronic Devices XXVI, 105261M (23 February 2018); doi: 10.1117/12.2289073; https://doi.org/10.1117/12.2289073
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