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Determine carrier velocity of a p-i-n photodiode where 3dB bandwidth is1.9×108Hz and depletion region width of 24μm.

Determine carrier velocity of a p-i-n photodiode where 3dB bandwidth is1.9×108Hz and depletion region width of 24μm. Correct Answer 29.55×10-3

Maximum 3 dB bandwidth of photodiode is given by Bm = Vd/2ΠW Vd = Bm × 2Π × W = 1.98×108×2Π×24×10-6 = 29.55×10-3.

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