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Q.1] A p-i-n photodiode on average generates one electron-hole pair per three incident photons at a wavelength of 0.8 µm. Assuming all the electrons are collected calculate: a) the quantum efficiency of the device; b) its maximum possible bandgap energy; c) the mean output photocurrent when the received optical power is 10-7 W. Ans. (a) 33%; (b) 24.8 x 10-20 J; (c) 21.3 nW

Q.1] A p-i-n photodiode on average generates one electron-hole pair per three incident photons at a wavelength of 0.8 µm. Assuming all the electrons are collected calculate: a) the quantum efficiency of the device; b) its maximum possible bandgap energy; c) the mean output photocurrent when the received optical power is 10-7 W. Ans. (a) 33%; (b) 24.8 x 10-20 J; (c) 21.3 nW

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q.1] A p-i-n photodiode on average generates one electron-hole pair per three incident photons at a wavelength of 0.8 um. Assuming all the electrons are collected calculate: a) the quantum efficiency of the device; b) its maximum possible bandgap energy; c) the mean output photocurrent when the received optical power is 10-7 W. Ans. (a) 33%; (b) 24.8 x 10-20 J; (c) 21.3 nW
Transcribed Image Text:Q.1] A p-i-n photodiode on average generates one electron-hole pair per three incident photons at a wavelength of 0.8 um. Assuming all the electrons are collected calculate: a) the quantum efficiency of the device; b) its maximum possible bandgap energy; c) the mean output photocurrent when the received optical power is 10-7 W. Ans. (a) 33%; (b) 24.8 x 10-20 J; (c) 21.3 nW
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