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Please help prove the 3 equations in the second attached image.

Please help prove the 3 equations in the second attached image.

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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Please help prove the 3 equations in the second attached image.
11 EQE 1 EDQE ePo Eg = e E₂ g 1EPE = 1EQE dP dl E 8 eV
Transcribed Image Text:11 EQE 1 EDQE ePo Eg = e E₂ g 1EPE = 1EQE dP dl E 8 eV
Problem 2) - - Laser diode efficiency - a) There are several laser diode efficiency definitions as followed: The external quantum efficiency, MEQE, of a laser diode is defined as Number of output photons from the diode (per unit second) Number of injected electrons into diode (per unit second) 11 EQE The external differential quantum efficiency, TEDQE, of a laser diode is defined as Increase in the number of output photons from the diode (per unit second) 1 EDQE = Increase of the number of injected electrons into diode (per unit second) The external power efficiency, TEPE, of the laser diode is defined by Optical output power EPE = Electrical input power If Po is the emitted optical power, show that
Transcribed Image Text:Problem 2) - - Laser diode efficiency - a) There are several laser diode efficiency definitions as followed: The external quantum efficiency, MEQE, of a laser diode is defined as Number of output photons from the diode (per unit second) Number of injected electrons into diode (per unit second) 11 EQE The external differential quantum efficiency, TEDQE, of a laser diode is defined as Increase in the number of output photons from the diode (per unit second) 1 EDQE = Increase of the number of injected electrons into diode (per unit second) The external power efficiency, TEPE, of the laser diode is defined by Optical output power EPE = Electrical input power If Po is the emitted optical power, show that
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