Electronics, taught at 3rd semester of Dpt. of informatics (course material and lecture slides available at blackboard.lib.auth.gr )
Description: Solid State Physics (Energy band theory, Conductivity, Mobility). Electric properties of metals, properties of semiconductors (electrons, holes, impurities).Principles of electric circuits.Basic electric circuits. Electronics -Diodes, rectifier circuits, specialty diodes and applications of diodes to optoelectronic devices. Transistors, basic transistor circuits, Field Effect Transistors-FETs, MOSFETs.Metal-Oxide-Semiconductor (MOS) Capacitors.Applications to digital electronic circuits.Usage of virtual bench lab.
Computer Architecture, taught at 3rd semester of Dpt. of informatics (course material and lecture slides available at pileas.csd.auth.gr)
Description: Overview of computer Units, their Function and Interconnection. Memory technology and Hierarchy.Cache Memory, Main, External memory (Magnetic and Optic disks), Performance.Input/Output of Data (Units, Communication, Interrupt handling). Computer Arithmetic (Integers, Signed numbers, Floating Point).The Central Processing Unit (Instruction cycle, Registers, Pipelining, Arithmetic and Logic Unit). Instruction sets (Characteristics, Function, Operands, Addressing modes, Design considerations).
Management of Computer Networks, taught at 6th semester of Dpt. of informatics (course material and lecture slides available at blackboard.lib.auth.gr )
Description: Management of Communication Systems. The management approach for TCP/IP and OSI (NMF, SNMP, SNMPv.2, CMIP, CMISE). Functional Areas of management.Object-oriented modelling.Managemtn Information Bases (MIBs). Management via browsers.Artificial intelligence and expert systems in network management.Software for network management.
Enabling Technologies in Optical Communications, taught at 6th semester of Dpt. of Informatics (course material and lecture slides available at blackboard.lib.auth.gr )
Description: Optical communication systems. Optical fibers, couplers and isolators, filters, optical transmitters and receivers, optical amplifiers, modulation and demodulation of optical signals.
Optical Communications, taught at 7th semester of Dpt. of informatics (course material and lecture slides available at blackboard.lib.auth.gr )
Description: The challenge - Fiber optic networks, Applications and their requirements. Building blocks - Fibers, couplers and taps, Tunable filters, Laser diodes, Lightwave amplifiers, Modulation and demodulation of optical signals. Architecture - Organizing the system topologically, Layered architectures, Multi-access, switching and performance. Realization - third generation links, third generation multipoints, third generation networks.
Optical Switching, taught at 7th semester of Dpt. of Informatics (course material and lecture slides available at pileas.csd.auth.gr )
Description: Optical Networks: types, requirements and specifications. Signal degradation factors in optical transmission and switching systems: dispersion, nonlinear Kerr effects, optical amplification. Optical Test&Measurement processes: BER, Q-factor. Optical interferometric systems: Sagnac and Mach-Zehnder switches. Optical Switching paradigms, advantages and applications.Optical Switching technologies and their principle of operation. Optical Circuit Switching: architectures and basic building blocks for wavelength routing. Optical Packet Switching: Optical Packet Switched network types, header formatting, optical node architectures and technologies, optical label switching. Synchronization systems, header processing systems, signal routing and signal regeneration in optical nodes. Contention resolution for collision avoidance. MPLS - MPλS – GMPLS Networks: Routing and signaling protocols. Optical Burst Switching: network and node architectures, burst assembly algorithms, routing and signaling subsystems and protocols, deflection routing, QoS. Hybrid optical switching architectures.
Information Theory and Coding, taught at 8th semester of Dpt. of Informatics (course material and lecture slides available at pileas.csd.auth.gr )
Description: Information – entropy (entropy, joint entropy, conditional entropy, memory and memoryless information sources), channel capacity (information channels, mutual information and capacity, lossless channels, uniform information channel, binary symmetric channel, binary erasure channel), coding in noiseless communications (Kraft inequality, Shannon's theorem, typical codes (Shannon, Shannon-Fano, Huffmann, binary coding trees). Coding in noisy communications (decoding criteria, Fano's limit, Shannon's second theorem, Hamming code). Arithmetic coding, algebraic coding.)