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Author: Stefano Ossicini
Publisher: Springer Science & Business Media
ISBN: 9783540402336
Category : Science
Languages : en
Pages : 300
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Book Description
A fascinating insight into the state-of-the-art in silicon microphotonics and on what we can expect in the near future. The book presents an overview of the current understanding of getting light from silicon. It concentrates mainly on low dimensional silicon structures, like quantum dots, wires and wells, but covers also alternative approaches like porous silicon and the doping of silicon with rare-earths. The emphasis is on the experimental and theoretical achievements concerning the optoelectronic properties of confined silicon structures obtained during recent years. Silicon based photonic crystals are in particular considered. An in depth discussion of the route towards a silicon laser is presented.
Author: Stefano Ossicini
Publisher: Springer Science & Business Media
ISBN: 9783540402336
Category : Science
Languages : en
Pages : 300
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Book Description
A fascinating insight into the state-of-the-art in silicon microphotonics and on what we can expect in the near future. The book presents an overview of the current understanding of getting light from silicon. It concentrates mainly on low dimensional silicon structures, like quantum dots, wires and wells, but covers also alternative approaches like porous silicon and the doping of silicon with rare-earths. The emphasis is on the experimental and theoretical achievements concerning the optoelectronic properties of confined silicon structures obtained during recent years. Silicon based photonic crystals are in particular considered. An in depth discussion of the route towards a silicon laser is presented.
Author: Società italiana di fisica
Publisher: IOS Press
ISBN: 1614992266
Category : Science
Languages : en
Pages : 472
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Book Description
The evolution of Si-based optoelectronics has been extremely fast in the last few years and it is predicted that this growth will still continue in the near future. The aim of the volume is to present different Si-based luminescing materials as porous silicon, rare-earth doped silicon, Si nanocrystals, silicides, Si-based multilayers and silicon-germanium alloy or superlattice structures. The different devices needed for an all-Si-based optoelectronics are treated, ranging from light sources to waveguides, from amplifiers and modulators to detectors. Both the very basic treatments as well as applications to real prototype devices and integration in an optical integrated circuit are presented. Several issues are highlighted: the problem of electrical transport in low-dimensional Si systems, the possibility of gain in Si-based systems, the low modulation speed of Si-based LEDs. The book gives a fascinating picture of the state-of-the-art in Si microphotonics and a perspective on what one can expect in the near future.
Author: Lorenzo Pavesi
Publisher: Springer Science & Business Media
ISBN: 9781402011948
Category : Science
Languages : en
Pages : 502
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Book Description
Silicon, the leading material in microelectronics during the last four decades, also promises to be the key material in the future. Despite many claims that silicon technology has reached fundamental limits, the performance of silicon microelectronics continues to improve steadily. The same holds for almost all the applications for which Si was considered to be unsuitable. The main exception to this positive trend is the silicon laser, which has not been demonstrated to date. The main reason for this comes from a fundamental limitation related to the indirect nature of the Si band-gap. In the recent past, many different approaches have been taken to achieve this goal: dislocated silicon, extremely pure silicon, silicon nanocrystals, porous silicon, Er doped Si-Ge, SiGe alloys and multiquantum wells, SiGe quantum dots, SiGe quantum cascade structures, shallow impurity centers in silicon and Er doped silicon. All of these are abundantly illustrated in the present book.
Author: Lorenzo Pavesi
Publisher: Springer Science & Business Media
ISBN: 9783540210221
Category : Science
Languages : en
Pages : 424
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Book Description
This book gives a fascinating picture of the state-of-the-art in silicon photonics and a perspective on what can be expected in the near future. It is composed of 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 microphotonics and optoelectronics.
Author: Jeffrey A. Davis
Publisher: Springer Science & Business Media
ISBN: 1461504619
Category : Technology & Engineering
Languages : en
Pages : 417
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Book Description
This book is jointly authored by leading academic and industry researchers. The material is unique in that it spans IC interconnect topics ranging from IBM's revolutionary copper process to an in-depth exploration into interconnect-aware computer architectures.
Author: Leonid Khriachtchev
Publisher: CRC Press
ISBN: 981424113X
Category : Science
Languages : en
Pages : 471
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Book Description
Nanoscale materials are showing great promise in various optoelectronics applications, especially the fast-developing fields of optical communication and optical computers. With silicon as the leading material for microelectronics, the integration of optical functions into silicon technology is a very important challenge. This book concentrates on
Author: Steafno Chiussi
Publisher: Netbiblo
ISBN: 8497454162
Category : Technology & Engineering
Languages : en
Pages : 162
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Book Description
The main objective of this International Workshop in Vigo is to target this major problem by bringing together scientists and engineers specialized on various different topics related to group IV semiconductors. In five consecutive sessions dedicated to - Group IV materials: CMOS and further extension of the roadmap - Group IV materials: Nano-photonics - Material aspects and characterization on nano-scale - Nanostructures and material processing on atomic scale
Author: Wiley
Publisher: John Wiley & Sons
ISBN: 111860590X
Category : Technology & Engineering
Languages : en
Pages : 340
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Book Description
The 2013 Materials Science eBook Sampler includes select material from seven Materials Science titles. Titles are from a number of Wiley imprints including Wiley, Wiley-VCH, Wiley-American Ceramic Society, Wiley-Scrivener and Wiley-The Minerals, Metals and Materials Society. The material that is included for each selection is the book’s full Table of Contents as well as a sample chapter. If you would like to read more from these books, you can purchase the full book or e-book at your favorite online retailer.
Author: Brandon Fairfield Redding
Publisher:
ISBN: 9781124241203
Category : Erbium
Languages : en
Pages :
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Book Description
Silicon photonics is well suited to overcome the interconnect bottleneck currently limiting performance in electronic integrated circuits. Photonic interconnects benefit from higher bandwidth, reduced power consumption, and improved scaling with device size relative to their electronic counterparts. Realization of photonic interconnects on a Si platform would enable monolithic integration of electronic and photonic elements, thereby leveraging the considerable infrastructure developed by the Si electronics industry. Inspired by this goal, researchers in the field of Si microphotonics have demonstrated most of the capabilities required for optical communication, including waveguides, modulators, filters, switches and detectors. The key element missing from the Si photonics toolkit remains a monolithic light source. In this work, we study two of the most promising materials in the search for a Si based light source: silicon nanocrystals (Si-nc) and erbium doped glass (Er:SiO 2). We developed fabrication processes for both of these materials and performed extensive material characterization to acquire the parameters governing their respective rate equation models. We then used our model to design a series of light emitting devices. We first designed Si-nc distributed Bragg reflector (DBR) microcavities for enhanced spontaneous emission and lasing. The optimized vertically emitting structure exhibited a quality factor of 115 and a peak luminescence enhancement factor of 14.5. We then fabricated a device based on our modeling and observed an experimental quality factor of 140 and an enhancement factor of 15.2. We also applied our simulation tool to investigate amplification and enhanced spontaneous emission in Er:SiO 2 based devices. Due to the low refractive index of Er:SiO 2, we presented a horizontal slot geometry in which the Er:SiO 2 layer is sandwiched between Si layers. We used a modesolver to optimize this geometry and then integrated it in a ring microcavity to study enhanced spontaneous emission. Simulations of the optimized device predicted a 35 fold enhancement in the peak luminescence. We then sought to address the requirements of a Si compatible light source for optical interconnects by designing an electrically pumped, complementary metal-oxide-semiconductor (CMOS) compatible laser with telecom wavelength emission. Leveraging the efficient electroluminescence (EL) in Si-nc films and the telecom wavelength lasing capabilities of Er:SiO 2, we proposed integrating the two materials in a concentric microdisk structure. In the proposed structure, EL from an inner Si-nc disk acts as an optical pump for an Er:SiO 2 laser in the outer disk. We used our modeling tool to confirm the proposed device behavior and optimize the geometry. We then fabricated a series of preliminary light emitting structures including Si-nc microdisks, Si-nc microgears, and concentric Si-nc/SiO 2 and Si-nc/Er:SiO 2 microdisks. We developed two experimental characterization setups for studying whispering gallery modes (WGMs) in these raised resonators, one based on collecting emission in the far-field and the other based on coupling emission to a tapered fiber. We performed the first comparison of these characterization techniques, discussed their relative merits, and identified the regimes of operation in which each is appropriate. Using these characterization techniques, we tested our Si-nc microdisks, microgears and concentric microdisks. We then performed the first investigation of microgear resonators using a Si based light emitting material. We then developed a fabrication process for Si-nc/Er:SiO 2 concentric microdisks in accordance with our two-stage laser design. Characterization of these concentric microdisks confirmed the existence of Si-nc based pump modes and Er:SiO 2 based signal modes. We also developed a semi-analytic model to predict lasing thresholds in this device in terms of Si-nc pump power. We subsequently derived an experimental technique to measure the Si-nc pump power in our fabricated device as an input parameter for our model. Based on this analysis, we identified the optimization required to achieve lasing in the proposed concentric microdisk structure. (Abstract shortened by UMI.).
Author: Petra Granitzer
Publisher: CRC Press
ISBN: 9814411108
Category : Science
Languages : en
Pages : 694
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Book Description
This book focuses on nanostructured semiconductors, their fabrication, and their application in various fields such as optics, acoustics, and biomedicine. It presents a compendium of recent developments in nanostructured and hybrid materials and also contains a collection of principles and approaches related to nano-size semiconductors. The text su
