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Planar Waveguides And Other Confined Geometries
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Book Synopsis Planar Waveguides and other Confined Geometries by : Gerd Marowsky
Download or read book Planar Waveguides and other Confined Geometries written by Gerd Marowsky and published by Springer. This book was released on 2014-10-07 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of the theoretical concepts and experimental applications of planar waveguides and other confined geometries, such as optical fibres. Covering a broad array of advanced topics, it begins with a sophisticated discussion of planar waveguide theory, and covers subjects including efficient production of planar waveguides, materials selection, nonlinear effects, and applications including species analytics down to single-molecule identification, and thermo-optical switching using planar waveguides. Written by specialists in the techniques and applications covered, this book will be a useful resource for advanced graduate students and researchers studying planar waveguides and optical fibers.
Book Synopsis Planar Optical Waveguides and Fibres by : Hans-Georg Unger
Download or read book Planar Optical Waveguides and Fibres written by Hans-Georg Unger and published by Oxford University Press, USA. This book was released on 1977 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lasers written by Hans Joachim Eichler and published by Springer. This book was released on 2018-11-19 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of laser sources and their applications in various fields of science, industry, and technology. After an introduction to the basics of laser physics, different laser types and materials for lasers are summarized in the context of a historical survey, outlining the evolution of the laser over the past five decades. This includes, amongst other aspects, gas lasers, excimer lasers, the wide range of solid-state and semiconductor lasers, and femtosecond and other pulsed lasers where particular attention is paid to high-power sources. Subsequent chapters address related topics such as laser modulation and nonlinear frequency conversion. In closing, the enormous importance of the laser is demonstrated by highlighting its current applications in everyday life and its potential for future developments. Typical applications in advanced material processing, medicine and biophotonics as well as plasma and X-ray generation for nanoscale lithography are discussed. The book provides broad and topical coverage of laser photonics and opto-electronics, focusing on significant findings and recent advances rather than in-depth theoretical studies. Thus, it is intended not only for university students and engineers, but also for scientists and professionals applying lasers in biomedicine, material processing and everyday consumer products. Further, it represents essential reading for engineers using or developing high-power lasers for scientific or industrial applications.
Book Synopsis Fundamentals of Optical Waveguides by : Katsunari Okamoto
Download or read book Fundamentals of Optical Waveguides written by Katsunari Okamoto and published by Elsevier. This book was released on 2010-08-04 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Optical Waveguides is an essential resource for any researcher, professional or student involved in optics and communications engineering. Any reader interested in designing or actively working with optical devices must have a firm grasp of the principles of lightwave propagation. Katsunari Okamoto has presented this difficult technology clearly and concisely with several illustrations and equations. Optical theory encompassed in this reference includes coupled mode theory, nonlinear optical effects, finite element method, beam propagation method, staircase concatenation method, along with several central theorems and formulas. Since the publication of the well-received first edition of this book, planar lightwave circuits and photonic crystal fibers have fully matured. With this second edition the advances of these fibers along with other improvements on existing optical technologies are completely detailed. This comprehensive volume enables readers to fully analyze, design and simulate optical atmospheres. Exceptional new chapter on Arrayed-Waveguide Grating (AWG) In-depth discussion of Photonic Crystal Fibers (PCFs) Thorough explanation of Multimode Interference Devices (MMI) Full coverage of polarization Mode Dispersion (PMD)
Book Synopsis Active and Passive Plasmonic Waveguides for Superior Photonics Applications by : Dayan Kanishka Handapangoda
Download or read book Active and Passive Plasmonic Waveguides for Superior Photonics Applications written by Dayan Kanishka Handapangoda and published by . This book was released on 2013 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guiding optical energy in metal-dielectric nanostructures by the use ofplasmon excitations known as surface plasmons has received much attentionover the past few decades. The diverse applications of this technologyspan many areas in modern science, including scanning near-field optical microscopy(SNOM), bio-medical imaging and sensing, surface-enhanced Ramanspectroscopy (SERS), and the realization of nanophotonic circuit elements. Plasmonicwaveguides play a prominent role in the efficient operation of these devices,which are responsible for carrying optical signals in subwavelength dimensions.The guided optical modes suffer from propagation losses that arise due tovarious factors, such as scattering from surface imperfections in waveguides, absorptionlosses in dielectrics, and ohmic heating in metals. Even though scatteringlosses may be minimized by employing cutting-edge fabrication techniquesthat stem from the rapid advancements in material engineering, and dielectriclosses are often negligibly small, the metal losses are high in magnitude and thuscannot be overlooked. Since metals are essential to sustain and guide the plasmonicmodes, metal losses cannot be entirely eliminated. However, these lossesmay be compensated by doping the dielectric with rare-earth ions and providingoptical gain via pumping. Since the amount of optical gain that can be suppliedis practically limited, it is vital that waveguides are designed in such a way thatthe detrimental effects of metal losses are minimal.Waveguides of different geometrical shapes and arrangements have been identified as candidates for plasmonic waveguides, such as planar waveguides, circularcylinders, waveguides with square and triangular cross-sections, metalwedges and grooves, and linear chains of metal and metal-dielectric compositeparticles. These geometries have their own merits and demerits, in terms ofthe propagation losses and mode confinement. In this dissertation, the focus ison planar and circularly cylindrical geometries, and a number of both active andpassive multi-layer structures are examined numerically, as well as analytically,for the efficient propagation of plasmonic modes. The effect of the geometricalparameters of the waveguide on propagation characteristics is investigated belowthe plasmon resonance frequency.Considering a planar waveguide consisting of a finite dielectric layer on athick metal, it is shown that the guided mode experiences maximal modal gain ata particular thickness of the optically pumped dielectric layer. The threshold gainrequired to fully compensate for the losses (critical gain) in a metal-dielectric-metal (MDM) waveguide of infinite extent is estimated analytically, and an exactanalytical expression for the confinement factor is derived. The more realisticcase of an MDM structure with finite metal layers is also investigated, and it isrevealed that thicknesses of metal/dielectric layers can be adjusted to ensure thefurthest propagation of the guided mode. When the dielectric region is pumpedto provide optical gain, the losses may be suppressed by minimal pump power ata particular choice of geometrical parameters. Additionally, it is shown that thegain experienced by the mode also becomes minimal, depending on the waveguidegeometry. An exact analytical expression for the confinement factor is alsopresented. For a dielectric-metal-dielectric waveguide capped with metal, anapproximate analytical solution for the dispersion equation is derived. The optimalgeometrical parameters that yield the furthest propagation of the mode andcompensation of losses with minimal optical gain are estimated analytically. Furthermore,approximate analytical expressions for the critical gain and the confinement factor are derived.Several composite cylindrical nanowire structures are also investigated forplasmonic guiding. For a nanowire consisting of a dielectric core and a metalcladding, it is shown that the critical gain becomes minimal at a particularcladding thickness. Similarly, the geometrical parameters of metal-core dielectriccladnanowires can also be chosen to lower the material gain requirement. CylindricalMDM nanowires are also investigated, and it is shown that the guidedmode can be strongly confined within the dielectric layer. The existence of optimalnanowire geometry that enables maximum propagation length of the modeand compensation of metal losses with minimal material gain is found.
Book Synopsis Organic Materials for Photonics by : G. Zerbi
Download or read book Organic Materials for Photonics written by G. Zerbi and published by Elsevier. This book was released on 2013-10-22 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyconjugated organic materials are revealing amorphous electrical and non-linear optical properties; this fact is opening up a whole new field of Materials Science aimed at the development of new technologies. For many years inorganic materials were studied mostly for non-linear optical properties. When organic molecules began to show larger and faster responses, both physical chemists and organic chemists became involved in understanding the physical phenomena at a molecular level, with the hope of synthesizing new and better molecular systems. The non-linear optical responses of this class of organic materials are presently attracting considerable attention as an active field of research both in academic and industrial laboratories. Due to the variety of problems and techniques involved, students and beginners with different backgrounds who approach polyconjugated materials do not find it an easy field to enter. This book introduces in a comprehensive and tutorial way the necessary concepts and relevant references which will help the reader to grasp the fundamental concepts of polyconjugated organic materials and perceive the relations between them.
Book Synopsis Computational Liquid Crystal Photonics by : Salah Obayya
Download or read book Computational Liquid Crystal Photonics written by Salah Obayya and published by John Wiley & Sons. This book was released on 2016-05-31 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical computers and photonic integrated circuits in high capacity optical networks are hot topics, attracting the attention of expert researchers and commercial technology companies. Optical packet switching and routing technologies promise to provide a more efficient source of power, and footprint scaling with increased router capacity; integrating more optical processing elements into the same chip to increase on-chip processing capability and system intelligence has become a priority. This book is an in-depth look at modelling techniques and the simulation of a wide range of liquid crystal based modern photonic devices with enhanced high levels of flexible integration and enhanced power processing. It covers the physics of liquid crystal materials; techniques required for modelling liquid crystal based devices; the state-of-the art liquid crystal photonic based applications for telecommunications such as couplers, polarization rotators, polarization splitters and multiplexer-demultiplexers; liquid core photonic crystal fiber (LC-PCF) sensors including biomedical and temperature sensors; and liquid crystal photonic crystal based encryption systems for security applications. Key features Offers a unique source of in-depth learning on the fundamental principles of computational liquid crystal photonics. Explains complex concepts such as photonic crystals, liquid crystals, waveguides and modes, and frequency- and time-domain techniques used in the design of liquid crystal photonic crystal photonic devices in terms that are easy to understand. Demonstrates the useful properties of liquid crystals in a diverse and ever-growing list of technological applications. Requires only a foundational knowledge of mathematics and physics.
Book Synopsis Handbook of Optical Sensors by : Jose Luis Santos
Download or read book Handbook of Optical Sensors written by Jose Luis Santos and published by CRC Press. This book was released on 2014-10-29 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Optical Sensors provides a comprehensive and integrated view of optical sensors, addressing the fundamentals, structures, technologies, applications, and future perspectives. Featuring chapters authored by recognized experts and major contributors to the field, this essential reference: Explains the basic aspects of optical sensors and
Book Synopsis Analysis of Planar Optical Waveguides Using Different Techniques by : Hayder Ahmed
Download or read book Analysis of Planar Optical Waveguides Using Different Techniques written by Hayder Ahmed and published by LAP Lambert Academic Publishing. This book was released on 2011-04 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The propagation characteristics of a step-index and graded-index optical planar waveguides with arbitrary refractive index profile have been analyzed by using different techniques: Transfer Matrix Method (TMM), Characteristic Matrix Method (CMM), Modified Transfer Matrix Method (MTMM) and the effective index method (EIM). These methods has been suggested and applied to a single mode LiNbO3 surface planar waveguide sample. Modal analysis of multilayer slab waveguides is studied and the applications are made for 2-channel Directional Coupler. We proposed analytical expressions of the dispersion equations for both TE and TM polarization modes. This method is a simplified form of TMM, which is allowed us to distinct modes by its order. Also, the applications are made, for comparison propose, to the multi-channel directional couplers. The results obtained from MTMM are fit with results obtained by TMM and CMM. Finally, the effective index method (EIM) was used together with the three methods TMM, CMM and MTMM to determine the mode propagation constants and the field profiles to a number of more complex structures.
Book Synopsis Integrated Photonics by : Ginés Lifante
Download or read book Integrated Photonics written by Ginés Lifante and published by John Wiley & Sons. This book was released on 2003-03-14 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ein modernes Werk, das Informationen über neue optische Bauelemente zusammenstellt, zusammenfasst und kommentiert. - einziges derzeit erhältliches aktuelles Buch zu diesem Gebiet - wendet sich hauptsächlich an Spezialisten auf dem Gebiet der Photonik, für die das Gebiet der integrierten Photonik neu sein könnte - erläutert Grundlagen, technische Aspekte (Herstellung und Materialien), Charakterisierung und Leistungskenndaten verschiedenster neuer optoelektronischer Bauelemente
Book Synopsis Free and Guided Optical Beams by : S. Martellucci
Download or read book Free and Guided Optical Beams written by S. Martellucci and published by World Scientific. This book was released on 2004 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, learn how to count by tens.
Book Synopsis Free And Guided Optical Beams: Proceedings Of The International School Of Quantum Electronics by : Sergio Martellucci
Download or read book Free And Guided Optical Beams: Proceedings Of The International School Of Quantum Electronics written by Sergio Martellucci and published by World Scientific. This book was released on 2004-08-30 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical beams are electromagnetic waves that remain essentially concentrated around a mean axis upon free propagation or that are guided by suitable structures. The study of these beams has existed long ago and since then this field has been a focus of active investigation. However, in recent years, the interest on optical beams has further increased, due to the availability of many types of laser sources, characterized by very different properties, as far as their polarization, coherence, spectral content, and spatial distribution are concerned.This book contains lectures presented in the 35th International School of Quantum Electronics at the Ettore Majorana Centre in Erice, Sicily. It gives the latest coverage on the development and advance in “Free and Guided Optical Beams”. The purpose of these lectures was to give an updated overview, as complete as possible, on topics concerning the propagation of light beams in free space, in materials, and in guiding structures, and to provide the tools needed to its study, both from the theoretical and the application point of view.The lectures presented here are written in extended review-like format. Both introductory fundamental topics and recent research results are reviewed, making this an indispensible book for novice as well as experts in this field.The proceedings have been selected for coverage in:• Index to Scientific & Technical Proceedings® (ISTP® / ISI Proceedings)• Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)• CC Proceedings — Engineering & Physical Sciences
Book Synopsis Monolithic Nanoscale Photonics-Electronics Integration in Silicon and Other Group IV Elements by : Henry Radamson
Download or read book Monolithic Nanoscale Photonics-Electronics Integration in Silicon and Other Group IV Elements written by Henry Radamson and published by Academic Press. This book was released on 2014-09-17 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicon technology is evolving rapidly, particularly in board-to-board or chip-to chip applications. Increasingly, the electronic parts of silicon technology will carry out the data processing, while the photonic parts take care of the data communication. For the first time, this book describes the merging of photonics and electronics in silicon and other group IV elements. It presents the challenges, the limitations, and the upcoming possibilities of these developments. The book describes the evolution of CMOS integrated electronics, status and development, and the fundamentals of silicon photonics, including the reasons for its rapid expansion, its possibilities and limitations. It discusses the applications of these technologies for such applications as memory, digital logic operations, light sources, including drive electronics, optical modulators, detectors, and post detector circuitry. It will appeal to engineers in the fields of both electronics and photonics who need to learn more about the basics of the other field and the prospects for the integration of the two. Combines the topics of photonics and electronics in silicon and other group IV elements Describes the evolution of CMOS integrated electronics, status and development, and the fundamentals of silicon photonics
Book Synopsis Optical Waveguides by : María L. Calvo
Download or read book Optical Waveguides written by María L. Calvo and published by CRC Press. This book was released on 2018-10-03 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the theory and principles of optical waveguides have been established for more than a century, the technologies have only been realized in recent decades. Optical Waveguides: From Theory to Applied Technologies combines the most relevant aspects of waveguide theory with the study of current detailed waveguiding technologies, in particular, photonic devices, telecommunication applications, and biomedical optics. With self-contained chapters written by well-known specialists, the book features both fundamentals and applications. The first three chapters examine the theoretical foundations and bases of planar optical waveguides as well as critical optical properties such as birefringence and nonlinear optical phenomena. The next several chapters focus on contemporary waveguiding technologies that include photonic devices and telecommunications. The book concludes with discussions on additional technological applications, including biomedical optical waveguides and the potential of neutron waveguides. As optical waveguides play an increasing part in modern technology, photonics will become to the 21st century what electronics were to the 20th century. Offering both novel insights for experienced professionals and introductory material for novices, this book facilitates a better understanding of the new information era—the photonics century.
Book Synopsis Extending Moore's Law through Advanced Semiconductor Design and Processing Techniques by : Wynand Lambrechts
Download or read book Extending Moore's Law through Advanced Semiconductor Design and Processing Techniques written by Wynand Lambrechts and published by CRC Press. This book was released on 2018-09-13 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a methodological understanding of the theoretical and technical limitations to the longevity of Moore’s law. The book presents research on factors that have significant impact on the future of Moore’s law and those factors believed to sustain the trend of the last five decades. Research findings show that boundaries of Moore’s law primarily include physical restrictions of scaling electronic components to levels beyond that of ordinary manufacturing principles and approaching the bounds of physics. The research presented in this book provides essential background and knowledge to grasp the following principles: Traditional and modern photolithography, the primary limiting factor of Moore’s law Innovations in semiconductor manufacturing that makes current generation CMOS processing possible Multi-disciplinary technologies that could drive Moore's law forward significantly Design principles for microelectronic circuits and components that take advantage of technology miniaturization The semiconductor industry economic market trends and technical driving factors The complexity and cost associated with technology scaling have compelled researchers in the disciplines of engineering and physics to optimize previous generation nodes to improve system-on-chip performance. This is especially relevant to participate in the increased attractiveness of the Internet of Things (IoT). This book additionally provides scholarly and practical examples of principles in microelectronic circuit design and layout to mitigate technology limits of previous generation nodes. Readers are encouraged to intellectually apply the knowledge derived from this book to further research and innovation in prolonging Moore’s law and associated principles.
Download or read book Optofluidics written by Dominik G. Rabus and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-03 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: This introduction into the multidisciplinary area of optofluidics offers the necessary foundations in photonics, polymer physics and process analytics to students, engineers and researchers to enter the field. All basic ingredients of a polymer-based platform as a foundation for quick and compact solutions for chemical, biological and medical sensing and manipulation are developed.
Download or read book Electrooptics written by F. Agulló-López and published by Academic Press. This book was released on 1994-08-31 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive text provides an understanding of the physical phenomenon behind electrooptics. It describes in detail modern electrooptic materials and operative physical mechanisms, and devotes a full chapter tothe new materials engineering that is contributing to the development of low-dimensional systems. The book also reviews device applications in both bulk and waveguide technologies. Provides extensive coverage in a self-contained format, and consequently useful to beginners as well as specialists Includes the most current information Features many tables and illustrations to facilitate understanding
