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Silicon Photonic Modulators for Low-power Applications

Author: Palmer, Robert

Publisher: KIT Scientific Publishing

Published: 2015-07-01

Total Pages: 250

ISBN-13: 3731503867

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Silicon Photonic Modulators for Low-power Applications

Author: Robert Palmer

Publisher:

Published: 2020-10-09

Total Pages: 246

ISBN-13: 9781013279805

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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. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.

High-Speed, Low-Power and Mid-IR Silicon Photonics Applications

Author: Luca Alloatti

Publisher: KIT Scientific Publishing

Published: 2013-08-27

Total Pages: 120

ISBN-13: 3731500566

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In this book, the first high-speed silicon-organic hybrid (SOH) modulator is demonstrated by exploiting a highly-nonlinear polymer cladding and a silicon waveguide. By using a liquid crystal cladding instead, an ultra-low power phase shifter is obtained. A third type of device is proposed for achieving three-wave mixing on the silicon-organic hybrid (SOH) platform. Finally, new physical constants which describe the optical absorption in charge accumulation/inversion layers in silicon are determined.

Millivolt Silicon Photonic Modulators for Cryogenic Applications

Author: Marc De Cea Falco

Publisher:

Published: 2020

Total Pages: 298

ISBN-13:

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Cryogenic technologies promise to overcome existing bottlenecks in a range of science and engineering fields including quantum computing, high performance computing and single-photon communication systems. As these technologies mature and systems scale, a readout solution for high speed, low power data transfer between the cryogenic environment and room temperature becomes essential. The use of optical links for such data transfer - in what is known as cryogenic optical readout - is appealing due to the low heat conduction of optical fiber and the possibility to exploit wavelength division multiplexing architectures. However, existing demonstrations suffer from large power dissipation associated with amplifying the millivolt signals generated by the cryogenic systems. This thesis deals with the development of silicon photonic modulators operating at cryogenic temperatures and capable of modulating an optical carrier with millivol-level driving signals. We show cryogenic operation of CMOS photonic resonant modulators in the forward bias regime with high modulation efficiency and reduced power dissipation, and demonstrate cryogenic optical readout of a superconducting single photon detector. We also present a new operation mode for optical modulators that leverages parasitic photocurrent to achieve electrical gain and reduce power dissipation. Modulation with signal levels down to 4 mVpp and electrical power dissipation in the zJ/bit range is demonstrated. This thesis sets the foundation for silicon photonics to realize scalable, low power, high throughput cryogenic readout, addressing one of the key remaining challenges for the wide adoption of cryogenic technologies.

Silicon-organic hybrid (SOH) electro-optic modulators for high-speed and power-efficient communications

Author: Wolf, Stefan

Publisher: KIT Scientific Publishing

Published: 2018-09-28

Total Pages: 196

ISBN-13: 3731508109

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Advanced Silicon Photonic Modulators

Author: Cheryl M. Sorace

Publisher:

Published: 2010

Total Pages: 123

ISBN-13:

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Various electrical and optical schemes used in Mach-Zehnder (MZ) silicon plasma dispersion effect modulators are explored. A rib waveguide reverse biased silicon diode modulator is designed, tested and found to operate at speeds up to 13 GHz with a V"L of 1.2 Vcm. MOS capacitor modulator designs are investigated as an alternative, but are not found to offer significant advantages. Modulators are also designed for fabrication in an actual CMOS process -a crucial step in the quest for low-cost integration with modern electronic devices. Photonic crystal structures, which promise smaller footprint sizes and lower power requirements, are also investigated, but it proves difficult to obtain a physically feasible design. Finally, a linearization scheme for Mach-Zehnder modulators is proposed to significantly improve signal fidelity in analog applications. Simulations are used to demonstrate the effectiveness of this scheme for reverse biased silicon diode modulators.

Integrated Silicon-based Optical Modulators

Author: Kensuke Ogawa

Publisher: SPIE-International Society for Optical Engineering

Published: 2019

Total Pages: 0

ISBN-13: 9781510625815

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"This book discusses the principles and the latest progress of silicon optical modulators as cutting-edge integrated photonic devices on silicon-photonic platforms, which play key roles in modern optical communications with low power consumption, small footprints, and low manufacturing costs. Silicon Mach-Zehnder optical modulators are emphasized as the principal small-footprint optical modulator because of its superior performance in high-speed optical modulation at operational temperatures beyond 100 degrees Celsius without power-consuming thermo-electric cooling in spectral bands over 100 nm"--

Optical Interconnects for Future Data Center Networks

Author: Christoforos Kachris

Publisher: Springer Science & Business Media

Published: 2012-11-07

Total Pages: 179

ISBN-13: 1461446309

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Optical Interconnects in Future Data Center Networks covers optical networks and how they can be used to provide high bandwidth, energy efficient interconnects for future data centers with increased communication bandwidth requirements. This contributed volume presents an integrated view of the future requirements of the data centers and serves as a reference work for some of the most advanced solutions that have been proposed by major universities and companies. Collecting the most recent and innovative optical interconnects for data center networks that have been presented in the research community by universities and industries, this book is a valuable reference to researchers, students, professors and engineers interested in the domain of high performance interconnects and data center networks. Additionally, Optical Interconnects in Future Data Center Networks provides invaluable insights into the benefits and advantages of optical interconnects and how they can be a promising alternative for future data center networks.

Silicon-organic hybrid electro-optic modulators for high-speed communication systems

Author: Zwickel, Heiner

Publisher: KIT Scientific Publishing

Published: 2024-04-09

Total Pages: 196

ISBN-13: 3731511436

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SOH (silicon-organic hybrid) elektrooptische Modulatoren kombinieren Siliziumphotonik mit organischen elektro-optischen Materialien. Dieses Buch befasst sich mit Aspekten, die speziell für den Einsatz von SOH-Modulatoren in praktischen optischen Hochgeschwindigkeitskommunikationssystemen relevant sind, wie z. B. Aufbau- und Verbindungstechnik, Modellierung und die Implementierung effizienter Modulationsformate für IM/DD-Formate. - Silicon-organic hybrid (SOH) electro-optic modulators combining silicon photonic structures with organic EO materials are investigated. This book addresses aspects that are specifically relevant for the use of SOH modulators in practical high-speed optical communication systems such as packaging, modelling of the device, and the implementation of efficient intensity-modulation/direct-detection (IM/DD) modulation formats.

Integrated Photonics for Data Communication Applications

Author: Madeleine Glick

Publisher: Elsevier

Published: 2023-07-26

Total Pages: 523

ISBN-13: 032391831X

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Integrated Photonics for Data Communications Applications reviews the key concepts, design principles, performance metrics and manufacturing processes from advanced photonic devices to integrated photonic circuits. The book presents an overview of the trends and commercial needs of data communication in data centers and high-performance computing, with contributions from end users presenting key performance indicators. In addition, the fundamental building blocks are reviewed, along with the devices (lasers, modulators, photodetectors and passive devices) that are the individual elements that make up the photonic circuits. These chapters include an overview of device structure and design principles and their impact on performance. Following sections focus on putting these devices together to design and fabricate application-specific photonic integrated circuits to meet performance requirements, along with key areas and challenges critical to the commercial manufacturing of photonic integrated circuits and the supply chains being developed to support innovation and market integration are discussed. This series is led by Dr. Lionel Kimerling Executive at AIM Photonics Academy and Thomas Lord Professor of Materials Science and Engineering at MIT and Dr. Sajan Saini Education Director at AIM Photonics Academy at MIT. Each edited volume features thought-leaders from academia and industry in the four application area fronts (data communications, high-speed wireless, smart sensing, and imaging) and addresses the latest advances. Includes contributions from leading experts and end-users across academia and industry working on the most exciting research directions of integrated photonics for data communications applications Provides an overview of data communication-specific integrated photonics starting from fundamental building block devices to photonic integrated circuits to manufacturing tools and processes Presents key performance metrics, design principles, performance impact of manufacturing variations and operating conditions, as well as pivotal performance benchmarks