Modeling Silicon On Insulator Photonic Devices
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Modeling Silicon On Insulator Photonic Devices
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Author : Aashish Singh
language : en
Publisher:
Release Date : 2010
Modeling Silicon On Insulator Photonic Devices written by Aashish Singh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Integrated circuits categories.
In recent times the use of silicon for fabricating active photonic devices has received widespread attention. Many photonic devices such as lasers, amplifiers, modulators and wavelength converters which were once conceived to be impossible to fabricate in silicon have been demonstrated. These developments are promising from the point of view of photonic related applications as well as for Opto-Electronic Integrated Circuits (OEIC). The convergence of electronic and photonic components can result in a cost effective and compact silicon chip. The application areas of such an OEIC can range from optical communications, through optical interconnects in Integrated Circuits (IC's), digital signal processing and sensing to biomedicine. The experimental demonstrations of silicon based photonic devices are promising. However, the performance of these devices needs further improvement to challenge their commercially-available counterparts made from III-V group elements. To enable performance optimization, development of suitable device physics and mathematical models are indispensable. The physics of the silicon photonic devices is electro-optic in nature. However, the mathematical models reported in the literature optimize the device performance from the optical point of view and account for the associated electronics in a very limited sense. The inclusion of the associated electronics is usually done through an extremely simplified term G=N/'tau', i.e., generation rate (G) of the free-carriers is equal to the recombination rate (N/'tau'), with 'tau' being the effective carrier lifetime. The transport of the free carriers is mostly neglected from the modeling equations. Such simplification may be valid for short optical pulses of picoseconds or less. However, in devices where the optical beam is a continuous wave, such an approximation is invalid as shown in this thesis. Further, the fabrication of the P-i-N diode structure in the silicon waveguide is a common method to control the free-carrier density in the waveguiding medium. The applied bias controls the free carrier density via the transport of the free carriers into and out of the waveguide. Hence it is intuitively clear that the modeling of these devices should exhaustively account for both the electronic and the optical physics. To accomplish such a coupled electro-optic model, three tasks were systematically carried out. In Chapter 3, the physical phenomena coupling the electronic and optical device physics was thoroughly studied. The coupling phenomenon is the plasma dispersion effect (PLDE)omenclature{PLDE}{Plasma dispersion effect}. The PLDE relates the linear dielectric constant of silicon to the density of the free charge carriers. In Chapter 4, an extensive study of P-i-N photodiode device physics was carried out. A P-i-N diode rib waveguide used in silicon photonic applications closely resembles a P-i-N photodiode. Thus, a thorough understanding of the carrier transport modeling and the P-i-N photodiode device physics helped in developing physical insight into the electro-optic process. This assisted in developing a novel sliced waveguide model in Chapter 5. The model enabled solution of the initial-boundary value differential equations, describing the electro-optic device physics of silicon photonic devices. The model was validated by reproducing the results of published work in the literature. The model was used to study the influence of the inclusion/neglect of the carrier transport on the CW Raman amplification. The discrepancy observed between the modeling results and the published experimental data were examined. The potential causes of the discrepancy were studied in Chapter 6. In particular space charge electric field strength, diffusion in the rib region and the distribution of the electric field in the depletion region were examined. The analysis resulted in some practical guidelines which may be helpful in the performance enhancement of the silicon photonic devices.
Silicon On Insulator Soi Technology
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Author : O. Kononchuk
language : en
Publisher: Elsevier
Release Date : 2014-06-19
Silicon On Insulator Soi Technology written by O. Kononchuk and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-19 with Technology & Engineering categories.
Silicon-On-Insulator (SOI) Technology: Manufacture and Applications covers SOI transistors and circuits, manufacture, and reliability. The book also looks at applications such as memory, power devices, and photonics. The book is divided into two parts; part one covers SOI materials and manufacture, while part two covers SOI devices and applications. The book begins with chapters that introduce techniques for manufacturing SOI wafer technology, the electrical properties of advanced SOI materials, and modeling short-channel SOI semiconductor transistors. Both partially depleted and fully depleted SOI technologies are considered. Chapters 6 and 7 concern junctionless and fin-on-oxide field effect transistors. The challenges of variability and electrostatic discharge in CMOS devices are also addressed. Part two covers recent and established technologies. These include SOI transistors for radio frequency applications, SOI CMOS circuits for ultralow-power applications, and improving device performance by using 3D integration of SOI integrated circuits. Finally, chapters 13 and 14 consider SOI technology for photonic integrated circuits and for micro-electromechanical systems and nano-electromechanical sensors. The extensive coverage provided by Silicon-On-Insulator (SOI) Technology makes the book a central resource for those working in the semiconductor industry, for circuit design engineers, and for academics. It is also important for electrical engineers in the automotive and consumer electronics sectors. Covers SOI transistors and circuits, as well as manufacturing processes and reliability Looks at applications such as memory, power devices, and photonics
Modeling And Characterization Of Strongly Coupled Silicon On Insulator Nanophotonic Devices
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Author : Michael Lawrence Cooper
language : en
Publisher:
Release Date : 2010
Modeling And Characterization Of Strongly Coupled Silicon On Insulator Nanophotonic Devices written by Michael Lawrence Cooper and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Silicon photonics is technologically attractive because of the possibility of monolithically integrating multi-element photonic waveguide circuits with complex electronic circuits. To reduce the footprint of the photonic components, it is possible to fabricate strongly-coupled waveguides and resonators, e.g., with sub-100 nm separation gaps. The most insightful design tool used for photonic devices, coupled mode theory (CMT), is considered suspect for high-index contrast strongly coupled waveguides. Using a numerically assisted coupled mode theory (NA-CMT) developed for arrayed waveguides, it was shown how one may modify the basis parameters within CMT to calculate more accurate modal profiles and more accurate estimates of the value and the wavelength dependency (i.e., dispersion) of coupling coefficients. Traditional CMT inaccurately predicts both the field peak locations and the exponential decay rates of the field envelopes in the cladding regions. Examples of strongly-coupled silicon photonic devices based on waveguides and couplers include giant birefringence multi-slot waveguides, and large-bandwidth coupled-resonator optical waveguides (CROWS) consisting of several hundred coupled silicon microring resonators. Numerical techniques will be reported for accurately simulating the transmission properties of strongly coupled arrayed waveguides and disordered CROWs in excellent agreement with experimental measurements on fabricated devices. Experimental methods were developed for the accurate measurement of transmitted intensity and group delay of silicon nanophotonic waveguides and multi-resonator circuits including CROWs and side-coupled integrated spaced sequence of resonators (SCISSORS). The role of external amplification in reliably measuring waveguide transmission using the method of swept wavelength interferometry was studied in detail. Also, a technique of swept-wavelength infrared imaging was developed and applied for quantitative diagnostics of multi-resonator circuits which need not have accessible drop ports on every device.
Modeling And Characteriztion Of A Ring Resonator Based Silicon Photonic Sensor On Silicon On Insulator Soi
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Author : Gwangho Choi
language : en
Publisher:
Release Date : 2019
Modeling And Characteriztion Of A Ring Resonator Based Silicon Photonic Sensor On Silicon On Insulator Soi written by Gwangho Choi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Optical engineering categories.
The purpose of this work is to build silicon photonic devices and verify their functionalities. In particular, the structure of a ring resonator (RR) is analyzed and applied to various silicon photonic application in sensing. Silicon waveguides, grating couplers, directional couplers, and RRs are fabricated on the silicon-on-insulator (SOI) wafer. Geometrical parameters and optical properties of the silicon devices are studied and also applied to the design of the aforementioned devices. The waveguide dimensions and, optical properties of the silicon waveguide such as dispersion and effective-index are examined. The RRs are made of a series of straight and bent waveguides which are analyzed as a function of their geometrical variables such as path length of ring resonator and the gap between the bus and the bent waveguide forming the RR. Device fabrication is done in collaboration with the University of Minnesota where the Electron-beam lithography is performed. Finally, the devices are tested, and their performance is characterized. The average measured channel spacing between four channels of an integrated wavelength-division multiplexer is 1.825 +/- 0.01 nm. The experimental errors and their corresponding factors are discussed in details since the measured data reveal the devices performed inefficiently when compared to the simulations and theoretical predictions.
Silicon Photonics
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Author : Graham T. Reed
language : en
Publisher: John Wiley & Sons
Release Date : 2004-10-29
Silicon Photonics written by Graham T. Reed and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-10-29 with Technology & Engineering categories.
The growing demand for instant and reliable communication means that photonic circuits are increasingly finding applications in optical communications systems. One of the prime candidates to provide satisfactory performance at low cost in the photonic circuit is silicon. Whilst silicon photonics is less well developed as compared to some other material technologies, it is poised to make a serious impact on the telecommunications industry, as well as in many other applications, as other technologies fail to meet the yield/performance/cost trade-offs. Following a sympathetic tutorial approach, this first book on silicon photonics provides a comprehensive overview of the technology. Silicon Photonics explains the concepts of the technology, taking the reader through the introductory principles, on to more complex building blocks of the optical circuit. Starting with the basics of waveguides and the properties peculiar to silicon, the book also features: Key design issues in optical circuits. Experimental methods. Evaluation techniques. Operation of waveguide based devices. Fabrication of silicon waveguide circuits. Evaluation of silicon photonic systems. Numerous worked examples, models and case studies. Silicon Photonics is an essential tool for photonics engineers and young professionals working in the optical network, optical communications and semiconductor industries. This book is also an invaluable reference and a potential main text to senior undergraduates and postgraduate students studying fibre optics, integrated optics, or optical network technology.
Design And Fabrication Of Silicon On Insulator Optical Waveguide Devices
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Author : Eric J. Harvey
language : en
Publisher:
Release Date : 2006
Design And Fabrication Of Silicon On Insulator Optical Waveguide Devices written by Eric J. Harvey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Optical wave guides categories.
"In this thesis we present design, fabrication and testing of several photonic devices on a silicon-on-insulator (SOI) substrate. The historical developments in micro-optic technology including problems it has faced and its current state of maturity is outlined. The most recent integration trends of electronics and optics, particularly the transition of micro-optics to silicon on insulator platform will be reviewed. With this foundation in silicon photonics several rib waveguide structures including directional couplers, WDM couplers, y-branches and MMI splitters are designed, simulated, and fabricated on an SOI substrate. Beam propagation method (BPM) was used in the modeling of these devices. Computation time is reduced by using a least squared regression to predict coupler behavior and losses in devices with varying dimensions and shape. A fabrication procedure is developed, characterized and implemented. The final devices are tested, and qualitative results provided"--Abstract.
Silicon Photonics Design
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Author : Lukas Chrostowski
language : en
Publisher: Cambridge University Press
Release Date : 2015-03-12
Silicon Photonics Design written by Lukas Chrostowski and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-12 with Science categories.
This hands-on introduction to silicon photonics engineering equips students with everything they need to begin creating foundry-ready designs.
Photonic Waveguide Components On Silicon Substrate
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Author : Swagata Samanta
language : en
Publisher: Springer Nature
Release Date : 2019-11-16
Photonic Waveguide Components On Silicon Substrate written by Swagata Samanta and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-16 with Technology & Engineering categories.
This book focuses on the design and development of SU-8 polymer and silicon waveguide-based devices using the effective index based matrix method. Various fabrication techniques like laser direct writing (LDW), Focused Ion Beam (FIB) and optical lithography are discussed. FIB lithography has been explored for photonic-crystal structures on the waveguide and for directional coupler in coupled region. This technique is shown to be suitable in fabricating photonic crystal structures as well as for making any precise modifications in micro- and nano-meter photonic waveguide structures. This book can be a useful reference for students, researchers, and fabrication engineers working in the areas of integrated optics, optical communications, laser technology and optical lithography for device manufacturing.
Silicon Photonics Ii
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Author : David J. Lockwood
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-13
Silicon Photonics Ii written by David J. Lockwood and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-13 with Science categories.
This book is volume II of a series of books on silicon photonics. It gives a fascinating picture of the state-of-the-art in silicon photonics from a component perspective. It presents a perspective on what can be expected in the near future. It is formed from a selected number of reviews authored by world leaders in the field, and is written from both academic and industrial viewpoints. An in-depth discussion of the route towards fully integrated silicon photonics is presented. This book will be useful not only to physicists, chemists, materials scientists, and engineers but also to graduate students who are interested in the fields of micro- and nanophotonics and optoelectronics.
Silicon On Insulator Technology And Devices 14
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Author : Yasuhisa Omura
language : en
Publisher: The Electrochemical Society
Release Date : 2009
Silicon On Insulator Technology And Devices 14 written by Yasuhisa Omura and has been published by The Electrochemical Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Semiconductors categories.
This issue of ECS Transactions contains papers on silicon-on-insulator subjects including devices, device physics, modelling, simulations, microelectronics, photonics, nano-technology, integrated circuits, radiation hardness, material characterization, reliability, and sensors