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Feng Ya-Jie1, 2, Li Chong2, Liu Qiao-Li2, Wang Hua-Qiang2, Hu An-Qi1, He Xiao-Ying2, †, Guo Xia1, ‡
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(color online) Dark I–V curves measured under the room temperature for Si photodiodes with L=0.25 mm, 0.5 mm, 1 mm, 1.5 mm, and 2 mm, respectively. (a) Forward biased. (b) Reverse biased. (c) Dependence of reverse current on the side length of the photosensitive area with reverse bias voltages of −1 V, −10 V, −20 V, and −30 V. The lines are the fitting curves according to Eq. (1).
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