silicon nanophotonics. basic principles, present status and perspectives, 2009, p.470

[...]... Accuracy of TDDFT and CC2 Calculations 4 Absorption and Luminescence Spectra 5 Hydrogen-Capped Silicon Nanoclusters 6 Oxidized Silicon Nanoclusters 7 Silane-Capped Silicon Nanoclusters 8 Conclusions References Chapter 4 Computational Studies of Free-Standing Silicon Nanoclusters Olli Lehtonen and Dage Sundholm 61 63 64 65 66 73 74 78 81 83 84 Optical Gain in Silicon Nanocrystal... scalability and flexibility Silicon nanocrystals have been already demonstrated as a promising material for nonlinear applications both in the form of porous silicon and Si-nc embedded in SiO2.48,49 At 800 nm, the Kerr coefficient has been shown to be two and four orders of magnitude higher than the one of bulk Si and SiO2, respectively and the nonlinear properties can be tuned depending on Si-nc size and. .. nanocrystal sizes and interconnectivities, and the porous silicon surface reactivity to chemical agents hamper a real engineering of porous silicon properties The enormous and active inner surface causes time dependent properties, ageing effects and uncontrolled deterioration of device performances In comparison with porous silicon, Si nanocrystals (Si-nc) embedded in amorphous silica are better candidates... splitting and 1 2 N Daldosso and L Pavesi combining, switching and amplification; the last function being a key component in compensating transmission, insertion and distribution losses Even if photonics could bring new functionalities to electronic components as low propagation losses, high bandwidth, wavelength multiplexing and immunity to electromagnetic noise, the high cost of photonic components and. .. monodispersed size distribution has been demonstrated Basics of Si-nc, how they are fabricated and their fundamental properties are discussed in the following chapters Hereafter, we emphasize how Si-nc can serve Silicon Photonics by reviewing performances and possibilities of low dimensional silicon in guiding, modulating and, above all, generating and/ or amplifying the light 2.1 Si-nc waveguides As... emerging field of research and technology, where nano -silicon can play a fundamental role In this chapter, the main building blocks of Silicon Photonics (waveguides, modulators, sources and detectors) are reviewed and compared to their counterparts made by Si nanocrystals In addition, non-linear optical effects in Si nanocrystals which will enable fast all-optical switches are presented as well as our... Length Technique Hui Chen, Jung H Shin, and Philippe M Fauchet 89 1 Introduction 1.1 Silicon Photonics: Optical interconnects 1.2 Physics of silicon nanocrystal light emission 1.3 Review of optical gain in silicon nanocrystals 89 89 92 93 Contents 2 Sample Preparation 3 The VSL Method 4 Results and Discussion 4.1 Oxide passivated silicon nanocrystals 4.1.1 Ion implanted... characteristics 6 N Daldosso and L Pavesi Table 1 Summary of the different approaches to a Si-based light source System High quality bulk Si in a forward biased solar cell Small junctions in a p-n diode Stimulated Raman scattering in silicon wires Nanopatterned silicon Dislocation loops formed by ion implantation in a silicon pn junction Silicon nanocrystals in a dielectric Er coupled to silicon nanocrystals... µm with nA range dark current Si Nanocrystals Enabling Silicon Photonics 7 2 Nanosilicon for Photonics The possibility of low dimensional silicon to tune on one side its electronic properties and on the other side its dielectric properties allows for new phenomena and device concepts.41,42 In this section, the exploitation of low dimensional silicon (i.e Si-nc) to demonstrate various optical components... Optimization of memory characteristics 4 State of the Art, Novel Devices and Open Issues 5 Summary References Chapter 9 Silicon Nanocrystal Memories Panagiotis Dimitrakis, Pascal Normand, and Dimitris Tsoukalas 211 212 212 Engineering the Optical Response of Nanostructured Silicon Joachim Diener, Minoru Fujii, and Dmitri Kovalev 1 Introduction 2 Optical Devices Based on PSi . 9HE Printed in Singapore. SILICON NANOPHOTONICS Basic Principles, Present Status and Perspectives Rhaimie - Silicon Nanophotonics. pmd 7/8/2008, 5:05 PM1 A-PDF Merger DEMO : Purchase from www.A-PDF.com. Khriachtchev University of Helsinki, Finland Basic Principles, Present Status and Perspectives Silicon Nanophotonics V012tp.indd 2 7/23/08 4:56:37 PM British Library Cataloguing-in-Publication Data A catalogue. class="bi x0 y0 w0 h0" alt="" Basic Principles, Present Status and Perspectives Silicon Nanophotonics V012tp.indd 1 7/23/08 4:56:36 PM This page intentionally left blankThis page intentionally left