00000EC469121903

PART C
Answer any two full questions, each carries 20 marks.
Explain the process of optical detection using APD photo diode.

Explain the working of optical directional couplers with suitable sketches.
Write short notes on fiber optic multiplexers.

Describe the applications of optical circulators and isolators.

With the aid of suitable diagrams explain the working of liquid crystal display.

Explain in detail the fabrication and working of OEIC integrated transmitter.

Discuss in detail the working of optical bistable devices.

Page 2of 2

(10)
(10)

(5)

(5)
(10)
(10)
(10)