Photonic Technology in Telecommunications

Description of photonic components used in telecommunication systems. Basic theory of operation and characteristics of photonic components and their assembly into fiber transmission systems. Passive components: single-mode, multi-mode and polarization maintaining optical fibers, optical couplers/splitters, optical isolators and optical filters. Active components: semiconductor lasers, optical amplifiers, optical modulators and photodetectors. Introduction to digital and analog fiber transmission systems, optical signal distortion, high speed time-domain multiplexing (TDM) transmission systems, wavelength division multiplexing (WDM) transmission systems. All-optical logic circuits and ultra-high speed optical signal processing.

Διαφάνειες Μαθήματος: Ακ. Έτος 2014-2015

Βιβλιογραφία του μαθήματος

Fiber-optic Transmission Systems and Networks

Fiber-optic transmission systems. Basic transmission principles in optical fibers: dispersion phenomena and dispersion compensation techniques, non-linear phenomena and their impact on signal transmission. Terrestrial, amplified transmission systems: architectures and components, design of optical amplifiers, Wavelength Division Multiplexing (WDM) systems. Submarine, amplified transmission systems: Return-to-Zero (RZ) and Non-Return-to-Zero (NRZ) modulation formats, optical amplifier chains and polarization effects. Solitons in high speed, long distance transmission systems. Fiber-optic Networks. Single transmission network architectures: Passive star optical networks. Communication protocols without pre-synchronization (standard protocols, random access protocols). Communication protocols with pre-synchronization (random access protocols, extension of slotted communication protocols, Aloha and Reservation Aloha, analysis of receiver collision effect, reservation protocols, TDMA/NServer protocols). Multiple transmission network architectures: Characteristics of successive transmission networks, investigation of topology optimization. Broadband fiber optic networks: Virtual topology design (system architecture, optimization issues). Routing and channel assignment (wavelength conversion, packet switching, circuit switching, monitoring and management of WDM networks). Fiber optic ring networks: Network architectures. Optimization criteria. Performance metrics.

Διαφάνειες Μαθήματος: Ακ. Έτος 2013-2014

Optical Fiber Communication Networks

Wavelength Division Multiplexing (WDM) technology and fundamental optical network devices and switches. Optical Multiplexers-De-multiplexers, Optical Cross-Connects (OXCs), Passive non-configurable and active reconfigurable OXCs, Wavelength-Convertible Cross Connects Switches (WCS), Wavelength Converters. Broadcast and Select Networks. Passive Star Topology. Protocols with and without pre-transmission coordination. Synchronous and Asynchronous protocols with receiver collision analysis. Protocols with collision avoidance techniques. Poisson and Self-similar traffic modeling and performance measures evaluation. Backbone Wide Area Networks. Routing and Wavelength Assignment(RWA): Static RWA. Integer Linear Programming(ILP) Formulation for Static Lightpath Establishment(SLE) problem. Dynamic Wavelength Assignment(RWA) and Dynamic Lightpath Establishment(DLE) problem. Physical and Virtual Topology. Virtual topology design formulation and optimization problem. Mixed Integer Linear Programming(MILP) formulation. Packet Switched Networks. Optical Burst Switching (OBS) Network Architecture, burst assembly, classification of signaling schemes, Just Enough Time (JET), Just In Time (JIT), Tell and Wait(TAW), Tell and Go(TAG). Metropolitan Area Networks(MANs). Multiwavelength Rings Network Architecture and Access Node interface. Protocols and performance measures evaluation.

Διαφάνειες Μαθήματος: Ακ. Έτος 2014-2015