Abstract:This paper addresses a simultaneous analysis of the intrinsic length (L I ) variation and substrate doping concentration on the AC operation of multifinger SOI PIN photodiodes, in order to investigate the best performance for each application. The results showed that the best frequency response was achieved for devices with smaller L I values and higher substrate doping concentrations, reaching a 3 dB frequency of 10 GHz with 400nm of wavelength. However this configuration causes an efficiency reduction, decre… Show more
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