Explore topic-wise MCQs in Optical Communications.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

_________________ is a technique used to render the non-conducting material around the active cavity by producing permanent defects in the implanted area.

A. Dispersion
B. Ion de-plantation
C. Ion implantation
D. Attenuation
Answer» D. Attenuation
2.

Fabry-Perot devices with BH geometries high modulation speeds than DFB-BH lasers.

A. True
B. False
Answer» C.
3.

The semiconductor lasers employing the distributed feedback mechanism are classified in _________________ categories.

A. One
B. Two
C. Three
D. Four
Answer» C. Three
4.

The first order grating (l=1) provide the strongest coupling within the device.

A. True
B. False
Answer» B. False
5.

In the given equation, corrugation period is given by l b/2Ne. If b is the Bragg wavelength, then what does l stand for?

A. Length of cavity
B. Limitation index
C. Integer order of grating
D. Refractive index
Answer» D. Refractive index
6.

Conventional cleaved mirror structures are difficult to fabricate with the cavity lengths below __________

A. 200 m and greater than 150 m
B. 100 m and greater than 50 m
C. 50 m
D. 150 m
Answer» D. 150 m