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ECE · Q128

Optical Communication

Engineering and GATE · ECE · question 128

Q128

A single-mode optical fiber has an attenuation of 0.3dB/km when operating at wavelength of 1.1μm. The fiber core diameter is 4μm and bandwidth is 500 MHz. Find threshold optical power for stimulated Brillouin scattering.

A.
11.20 mw
B.
12.77 mw
Answer
C.
13.08 mw
D.
12.12 mw

Answer: Option B

Solution

Answer: Option B
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