In QC lasers, it is possible to obtain different output signal wavelen – McqOptions

MCQOPTIONS

1.	In QC lasers, it is possible to obtain different output signal wavelengths. This can be achieved by
A.	Inter-valence band absorption
B.	Mode hopping
C.	Quantum cascading
D.	Selecting layers of different thickness
Answer» D. Selecting layers of different thickness

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