____________ is the principal cause of line width broadening in the coherent devices.

____________ is the principal cause of line width broadening in the co

1.	____________ is the principal cause of line width broadening in the coherent devices.
A.	Electromagnetic field
B.	Power dissipation
C.	Injection laser phase noise
D.	Gaussian noise
Answer» D. Gaussian noise

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____________ is the principal cause of line width broadening in the coherent devices.

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