B.TECH - Semester 8 integrated optics and photonic systems Question Paper 2019 (nov)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- What are the important properties of OIC substrate materials?
- List the important types of waveguide structures used in integrated optics.
- Explain the strip loaded wave guide.
- Differentiate between intrinsic and extrinsic fiber optic sensors.
- Explain the principle of electro optic modulator.
- Draw the side view of a slab waveguide showing wave normal of the Zig-Zag waves corresponding to a guided mode.
- Explain an integrated optical detector.
- Explain the relationship between coupling coefficient and the spacing between the waveguide.
- Explain how a doped fiber can act as an optical amplifier.
- Explain micro optical devices. $$ \text { ( } 10 \times 4=40 \text { marks) } $$ P.T.O. Answer any two questions from each module. Each question carries 10 marks
- Discuss different modes in a planar waveguide and illustrate optical ray pattern within a multimode planar waveguide.
- Explain (a) Carrier concentration reduction wave guides
- Explain (b) Electro optic waveguide
- (a) Compare Hybrid and Monolithic Optical Integrated circuits.
- (b) What are the important Characteristics of an Optical waveguide? $$ (2 \times 10=20 \text { marks) } $$
- Discuss the applications of Polymer wave guides. How the polymer processing is carried out.
- Explain the lasing action of a semiconductor laser. How integrated lasers are fabricated.
- Explain the structure of a dual channel eleciro optical modulator with neat diagrams. $$ (2 \times 10=20 \text { marks) } $$
- Give the working principle of Fiber Raman amplifier. Draw necessary diagrams.
- With a block schematic explain a homodyne coherent detection System. How the sensitivity can be increased locally?
- With block schematic explain the soliton light wave system also explain how the pulse shape is preserved? ( $\mathbf{2} \boldsymbol{\times} \mathbf{1 0} \boldsymbol{=} \mathbf{2 0}$ marks)