[IEEE 2016 39th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO) - Opatija, Croatia (2016.5.30-2016.6.3)] 2016 39th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO) - Analysis of electrical and optical characteristics of InP/InGaAs avalanche photodiodes in linear regime by a new simulation environment