Question: QUESTION 2 Utilizing a double Hetero junction as an LED: A . achieves almost a unity injection efficiency B . has the potential to improve

QUESTION 2
Utilizing a double Hetero junction as an LED:
A. achieves almost a unity injection efficiency
B. has the potential to improve the external quantum efficiency
C. decreases the internal quantum efficiency
D. reduces source-fiber coupling efficiency
E. enables the active region to function as dielectric wave guide for the radiation produced in the active region through total internal reflection
F. improves the source-fiber coupling efficiency
QUESTION 2 Utilizing a double Hetero junction as

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