Topics Covered

Introduction. Light propagation through optical fiber: Ray optics theory and mode theory. Optical fiber: Types and characteristics, transmission characteristics, fiber joints and fiber couplers. Light sources: Light emitting diodes and laser diodes. Detectors: PIN photo-detector and avalanche photo-detectors. Receiver analysis: Direct detection and coherent detection, noise and limitations. Transmission limitations: Chromatic dispersion, nonlinear refraction, four wave mixing and laser phase noises. Optical amplifier: Laser and fiber amplifiers, applications and limitations. Multi-channel optical system: Frequency division multiplexing, wavelength division multiplexing and co-channel interference. Optical fibre: modes of propagation, transmission characteristics, waveguide analysis. Optical sources: light emitting diode (LED) and semiconductor laser diode (SLD); operational principles, characteristic curves; optical transmitter design using LED/SLD. Optical amplifiers: laser and fibre amplifier5s. Photo detectors: P-i-N and avalanche photo detectors (APDs), noise sources. Optional modulation and detection schemes. Direct and coherent detection receivers: configuration, operation, noise sources, sensitivity calculation, performance curves. Design of analog and digital receivers. Transmission link analysis: point-to point and point-to multi-point links, system configuration, link power budget, rise time budget, line coding schemes, transmission system limitations, design of fibre-optic systems. Optical data buses, optical networks, fibre distributed data interface (FDDI) and synchronous optical network (SONET). Optional frequency division multiplexing (OFDM) and wavelength division multiplexing (WDM) transmission systems.