Explain the detection process in the p–n photodiode. Compare this device with the p–i–n photodiode.
Explain the detection process in the p–n photodiode. Compare this device with the p–i–n photodiode.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Q.2] Explain the detection process in the p–n photodiode. Compare this
device with the p–i–n photodiode.
Q.3] a) Define the quantum efficiency and the responsivity of a
photodetector.
b) Derive an expression for the responsivity of an intrinsic photodetector
in terms of the quantum efficiency of the device and the wavelength of
the incident radiation.
c) Determine the wavelength at which the quantum efficiency and the
responsivity are equal
![Q.2] Explain the detection process in the p-n photodiode. Compare this
device with the p-i-n photodiode.
Q.3] a) Define the quantum efficiency and the responsivity of a
photodetector.
A
b) Derive an expression for the responsivity of an intrinsic photodetector
in terms of the quantum efficiency of the device and the wavelength of
the incident radiation.
c) Determine the wavelength at which the quantum efficiency and the
responsivity are equal.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2d55c354-8bdf-4026-8dcd-62b58f50a367%2Fb3bd468d-75d4-48b9-a384-605503868d2e%2Fxgudzo9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q.2] Explain the detection process in the p-n photodiode. Compare this
device with the p-i-n photodiode.
Q.3] a) Define the quantum efficiency and the responsivity of a
photodetector.
A
b) Derive an expression for the responsivity of an intrinsic photodetector
in terms of the quantum efficiency of the device and the wavelength of
the incident radiation.
c) Determine the wavelength at which the quantum efficiency and the
responsivity are equal.
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