Explore topic-wise MCQs in Optical Communications Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

A four-port multimode fiber FBT coupler has 50 μW optical power launched into port 1. The measured output power at ports 2,3 and 4 are 0.003, 23.0 and 24.5 μW respectively. Determine the excess loss.

A. 0.22 dB
B. 0.33 dB
C. 0.45 dB
D. 0.12 dB
Answer» B. 0.33 dB
2.

Couplers insertion loss is same as that of excess loss.

A. True
B. False
Answer» C.
3.

Which is the most common method for manufacturing couplers?

A. Wavelength division multiplexing
B. Lateral offset method
C. Semitransparent mirror method
D. Fused bi-conical taper (FBT) technique
Answer» E.