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Overview of Optical fiber Communications :

Electromagnetic spectrum, Optical Spectral bands, Evolution of fiber optic system,
Multiplexing Techniques, Elements of an optical fiber transmission link with the
functional description of each block, WDM concepts, transmission widows,
advantages of optical fiber link over conventional copper systems, applications of
fiber optic transmission systems.

Optical fibers : Structures, Wave guiding and Fabrication :

Optical laws and definitions, optical fiber modes and configurations, Mode theory,
Step Index and Graded Index (GI) fibers ,single mode and graded index fibers,
Derivation for numerical aperture, V number and modes supported by step index
fiber, mode field ,Numerical aperture and modes supported by GI fibers, fiber
materials, linearly Polarized modes fiber fabrication techniques, and mechanical
properties of fibers, fiber optic cables.

Signal Degradation in Optical Fibers :

Attenuation, signal distortion in optical waveguides, pulse broadening in graded
index fiber, Characteristics of Single Mode Fibers, mode coupling, International
Standards for optical transmission fibers.

Optical Sources :

Semiconductor Physics background, Light emitting diode (LEDs)- structures, materials, Figure of merits, characteristics & Modulation. Laser Diodes -Modes &
threshold conditions, Diode Rate equations, resonant frequencies, structures,
characteristics and figure of merits, single mode lasers, Modulation of laser diodes,
Spectral width , temperature effects, and Light source linearity.

Power Launching and Coupling :

Source to fiber power launching, Lensing schemes, fiber-to-fiber joints, LED
coupling to single mode fibers, fiber splicing, Optical fiber connectors.

Photodetectors :

Principles of operation, types, characteristics, figure of merits of detectors
photodiode materials, photodetector noise, detector response time,temperature
effects on gain, comparison of photodetectors.

Optical Receiver Operation :

Receiver operation, Preamplifier types, receiver performance and sensitivity, Eye
diagrams, Coherent detection, Specification of receivers.

Transmission Systems :

Point –to-point link –system considerations, Link power budget and rise time
budget methods for design of optical link, BER calculation

Optical Amplifiers :

Semiconductor optical Amplifier, EDFA, Raman Amplifier, Wideband Optical
Amplifiers

Advances in Optical Fiber Systems :

Principles of WDM, DWDM, Telecommunications & broadband application,
SONET/SDH, MUX, Analog & Digital broadband, optical switching.

Overview of Optical Components :

Optical couplers, Tunable sources and Filters ,optical MUX/DEMUX, Arrayed
waveguide grating, optical add drop multiplexer (OADM), optical cirulators,
attenuators, optical cross connects, wavelength converter, Mach-Zender
Interferometer

Fiber Optical Measurements :

Test Equipments, OTDR , Set ups for Measurement of Attenuation, Dispersion,
NA and EYE pattern .