Page 69 - R2017-REC-ECE-UG Syllabus

Department of ECE, REC

3. Robert E Colin, “Foundations for Microwave Engineering”, John Wiley & Sons Inc, 2005.
4. Byron Edde, “Radar principles, Technology, Applications” Pearson Publications,2009.
4. M.Kulkarni, "Microwave and RADAR Engineering”, Umesh Publications, Fourth edition.
5. E.DA.SILVA, “High Frequency And Microwave Engineering”, Butterworth Heinmann publications,
Oxford,2001

EC17702 OPTICAL COMMUNICATION AND NETWORKS L T P C
3 0 0 3

PREREQUISITE: Knowledge on Engineering Physics and Electron devices
OBJECTIVES:
The student should be made to:
• To learn the fiber transmission mechanisms and various structures of fibers
• To study the various signal degradation factors in fibers
• To facilitate the knowledge about optical fiber sources and transmission techniques
• To explore the trends of optical fiber measurement systems.
• To enrich the idea of optical fiber networks algorithm such as SONET/SDH and optical CDMA.

UNIT I INTRODUCTION TO OPTICAL FIBERS 9
Element of an Optical Fiber Transmission link-Basic Optical Laws and Definitions-Total internal reflection,
Acceptance angle, Numerical aperture, Skew rays. Optical fibermodes and Configurations. mode theory of
Circular wave guides- Overview of modes, Key Modal concepts, Modes in Step-Index fibers, Linearly
Polarized modes -Single mode fibers-Graded Index fiber structure.

UNIT II SIGNAL DEGRADATION IN OPTICAL FIBERS 9
Attenuation - Absorption, Scattering losses, Bending losses, Core and Cladding losses. Signal distortion in
Optical Wave guides-Information capacity determination, Group delay, Material dispersion, Waveguide
dispersion, Signal distortion in SM fibers, Polarization mode dispersion, Intermodal dispersion. Mode
coupling. Design Optimization of SM fibers-RI profiles and cut-off wavelength.

UNIT III FIBER OPTICAL SOURCES AND COUPLING 9
Direct and indirect band gap materials-LED structures -Light source materials -Quantum efficiency and LED
power, Modulation of a LED. Lasers diodes-modes and Threshold condition -Rate equations -External
quantum efficiency -Resonant frequencies - Temperature effects. Introduction to Quantum laser. Power
launching and coupling-Lensing schemes-Fiber -to- Fiber joints-Fiber splicing.

UNIT IV FIBER OPTIC RECEIVER AND MEASUREMENTS 9
Fundamental receiver operation- Receiver configuration– Digital receiver performance—Probability of error –
Quantum limit. Pre amplifiers. Fiberattenuation measurements- Dispersion measurements – Fiberrefractive
index profile measurements – Fiber cut- off wave length measurements – FiberNumerical Aperture
measurements – Fiber diameter measurements.

UNIT V OPTICAL NETWORKS AND SYSTEM TRANSMISSION 9

Curriculum and Syllabus | B.E. Electronics and Communication Engineering | R2017 Page 69