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High index-contrast nanophotonic devices are key components for future board-to-board and chip-to-chip optical interconnects: The strong confinement of light enables dense integration, and nonlinear effects can be exploited at low power levels. Cheap large-scale production is possible by using highly parallel microfabrication techniques, and semiconductor-based nanophotonic devices can be integrated together with electronic circuitry on a common chip. Particularly intense research is carried out to realise optical devices on silicon substrates, using mature complementary metal-oxide-semiconductor (CMOS) fabrication techniques.This book discusses the modelling, fabrication and characterization of linear and nonlinear nanophotonic devices. Roughness-related scattering loss in high index-contrast waveguides is investigated both theoretically and experimentally, and methods of loss reduction are developed. Novel silicon-based devices for electro-optic modulation and for all-optical signal processing are presented. Nonlinear dynamics in active quantum-dot devices are studied, and resonant field enhancement is exploited to improve the efficiency of nonlinear interaction.

Optische Signalverarbeitung --- Optische Nachrichtentechnik --- Silizium-Photonik --- PhotonikIntegrierte Optoelektronik --- SOI-Technik --- Nanophotonik --- Silizium-Optik --- Nichtlineare Optik --- Integrierte Optik

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Silicon-organic hybrid (SOH) modulators add a highly efficient nonlinear organic electro-optic cladding material to the silicon photonic platform, thereby enabling efficient electro-optic modulation. In this book, the application potential of SOH modulators is investigated. Proof-of-principle experiments show that they can be used for high-speed communications at symbol rates up to 100 GBd and operated directly from a field-programmable gate array (FPGA) without additional driver amplifiers.

photonic integration --- Silizium-Photonik --- optical communications --- electro-optic modulators --- Optische Kommunikation --- silicon photonics --- Elektro-Optische Modulatoren --- Integrierte Optik

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Silicon-organic hybrid (SOH) modulators add a highly efficient nonlinear organic electro-optic cladding material to the silicon photonic platform, thereby enabling efficient electro-optic modulation. In this book, the application potential of SOH modulators is investigated. Proof-of-principle experiments show that they can be used for high-speed communications at symbol rates up to 100 GBd and operated directly from a field-programmable gate array (FPGA) without additional driver amplifiers.

photonic integration --- Silizium-Photonik --- optical communications --- electro-optic modulators --- Optische Kommunikation --- silicon photonics --- Elektro-Optische Modulatoren --- Integrierte Optik

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In this book, silicon photonic integrated circuits are combined with electro-optic organic materials for realizing energy-efficient modulators with unprecedented performance. These silicon-organic hybrid Mach-Zehnder modulators feature a compact size, sub-Volt drive voltages, and they support data rates up to 84 Gbit/s. In addition, a wet chemical waveguide fabrication scheme and an efficient fiber-chip coupling scheme are presented.

elektro-optische Modulatoren --- photonic integrated circuit --- Silizium-Photonik --- Pockel's effect --- ChromophorSilicon photonic --- electro-optic modulators --- chromophore --- integrierte Optik --- Pockels-Effekt

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In diesem Band der Bad Orber Gespräche 2004 diskutieren prominente Vertreter der gesetzlichen und privaten Krankenversicherung, der Krankenhausträger und der Politik, wie sie mit wettbewerblichen Mitteln die effiziente Versorgung durch Strukturverbesserungen erreichen und gleichzeitig die eigentliche Ursache der mangelnden Effizienz des Gesundheitswesens, nämlich die nicht angemessene Indikationsstellung ärztlichen Handelns, in den Griff bekommen können. Der Sammelband enthält die erweiterten Referate eines interdisziplinären Workshops zu Versorgungsstrukturen und Finanzierungsoptionen auf dem Prüfstand. Behandelt wurden die beiden Themenkreise integrierte Versorgung und Disease-Management-Programme sowie Finanzierungsoptionen.

Health economics --- 2004 --- Desease-Management-Programm --- Deutschland --- Finanzierungsoption --- Finanzierungsoptionen --- Gesetzliche Krankenversicheurng --- Gespräche --- Integrierte Versorgung --- Kongress --- Managed Care --- November --- Orb (2004) --- Orber --- Private Krankenversicherung --- Prüfstand --- Versorgungsstrukturen --- Wille