Physics Electronic Components and Circuits

The goal of the course is to allow the student to know the basic optical devices and transmission media for optical communications and acquiring the ability to design and evaluate their performance as part of telecommunications links. To achieve this goal, the following the following abilities will be acquired: -A knowledge of how optical emitters and receivers work and their main applications -A knowledge of optical transmission media -A knowledge of photonics components in long haul, Metropolitan and Access Networks -An ability to design and evaluate an optical communications link, based either on fiber optics or in free space -An ability to recognize different multiplexing techniques for increasing network bandwidth

CB1: Students have demonstrated possession and understanding of knowledge in an area of study that builds on the foundation of general secondary education, and is usually at a level that, while relying on advanced textbooks, also includes some aspects that involve knowledge from the cutting edge of their field of study CB2: Students are able to apply their knowledge to their work or vocation in a professional manner and possess the competences usually demonstrated through the development and defence of arguments and problem solving within their field of study. CG3: Knowledge of basic and technological subject areas which enable acquisition of new methods and technologies, as well as endowing the technical engineer with the versatility necessary to adapt to any new situation. CG13: Understanding and command of basic concepts of linear systems and related functions and transformers. Electrical circuit theory, electronic circuits, physical principles of semiconductors and logic families, electronic and photonic devices, materials technology and their application in resolving problems characteristic of engineering. ECRT11: Ability to use different sources of energy and in particular, solar photovoltaic and thermal energy, as well as the fundamentals of electro-technics and power electronics. RA1: Knowledge and Understanding.  Knowledge and understanding of the general fundamentals of engineering, scientific and mathematical principles, as well as those of their branch or specialty, including some knowledge at the forefront of their field. RA5: Applications. Graduates will have the ability to apply their knowledge and understanding to solve problems, conduct research, and design engineering devices or processes. These skills include knowledge, use and limitations of materials, computer models, process engineering, equipment, practical work, technical literature and information sources. They must be aware of all the implications of engineering practice: ethical, environmental, commercial and industrial.

THEORY: - M0: Introduction to optical communications - General structure of a communication system. - Advantages and disadvantages of optical fibres. - Light propagation in a medium. - Physical structure of optical fibres - Introduction to the electromagnetic waves. Regions of the eelectromagnetic spectrum. M1: Optical sources: LED and laser - 1.1. Introduction. - 1.2. Types of emitters: LEDs y LASER. - 1.3: Operation principle of emitters based on semiconductors. - 1.4: LED. Eficiencies. Electrical & optical characteristics - 1.5: LASER. Eficiencies. Electrical & optical characteristics M2: Propagation, attenuation, dispersion in optical fibers - 2.1. Introduction: Physical structure, operation principle. - 2.2. Propagation, Singlemode/Multimode character. - 2.3: Attenuation, transmission windows. - 2.4: Dispersion: modal, chromatic, PMD. Bandwidth and distance limitation. M3: Optical detectors - 3.1. Introduction: Symbol y characteristics of photodiodes. - 3.2. Signal conditioning circuits. - 3.3: Structure and operation principle. - 3.4: Types of optical detectors. - 3.5: Noise considerations in optical detectors. M4: Passive optical components and optical amplifiers - 4.1. Modulators. - 4.2. Couplers. - 4.3: Splitters, isolators, circulators y filters. - 4.4: Multiplexers, demultiplexers, intervalers. OADMs. - 4.5: Optical amplifiers. - 4.6: Optical switches. M5: Optical transmission - 5.1. Elements of an optical communication link. - 5.2. Power balance. - 5.3: Time balance. Bandwidth M6: Multiplexing techniques and devices - 6.1. Multiplexing techniques: TDM, FDM, CDM - 6.2. Optical Time Division Multiplexing: SONET/SDH - 6.3: Wavelength Division Multiplexing: CWDM y DWDM LABORATORY: - P1: Characterization of a LED. Attenuation and numerical aperture measurement. - P2: Characterization of a POF based optical communication link - P3: Passive optical components characterization.

The docent methodology will include: - Theory: lectures 2 ECTS. In these classes the basic knowledge the students must learn will be explained: Fiber-optic, emitter and receivers, theoretical concepts related to its application in optical communications, and knowledge of power budget estimation and pulse broadening in optical communication systems. Examples on lecture of using theoretical concepts and practical use of fiber optics, for being able to select a specific fiber-optic technology depending on the requirements of the network (solving new problems as part of lifelong learning recognition) - Practical exercises in lectures. 2 ECTS Problems are developed for being able to estimate dispersion impact on transmission bit rate, attenuation on long haul transmission, students solve them individually or in groups of 2-3 students o Practical examples on power budget estimation and pulse broadening o Identification of fiber-optic technologies by analyzing manufacturer data sheets and installed networks - Lab sessions. 2 ECTS - Students must design and execute lab experiments with teacher support, such as: o characterizing fiber-optics, emitter drivers and receivers, o fiber-optic link evaluation o software simulations of optical transmission system - Being able to measure losses and characterize optoelectronic components and optical systems - To extract conclusions, they must also analyze, and interpret data, comparing their results con manufacturer data sheets. The students in groups of 2-3 prepare a report prior to the session lab. After measuring on the lab, they must analyze and interpret measured data and prepare a final report. - Students are required to use commercial software and provide solutions to real-world problems. - They develop collaborative work, capacity to apply theoretical concepts, and capacity to make an experiment in time meeting desired needs.