Graphene for Post-Moore Silicon Optoelectronics

The book “Graphene for Post-Moore Silicon Optoelectronics” explores emerging applications of graphene-silicon hybrid systems and showcases their importance in post-Moore optoelectronics.
Graphene for Post-Moore Silicon Optoelectronics

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Graphene for Post‐Moore Silicon Optoelectronics

Graphene for Post-Moore Silicon Optoelectronics Provides timely coverage of an important research area that is highly relevant to advanced detection and control technology Projecting device performance beyond the scaling limits of Moore’s law requires technologies based on novel materials and device architecture. Due to its excellent electronic, thermal, and optical properties, graphene has emerged as a scalable, low-cost material with enormous integration possibilities for numerous optoelectronic applications. Graphene for Post-Moore Silicon Optoelectronics presents an up-to-date overview of the fundamentals, applications, challenges, and opportunities of integrating graphene and other 2D materials with silicon (Si) technologies. With an emphasis on graphene-silicon (Gr/Si) integrated devices in optoelectronics, this valuable resource also addresses emerging applications such as optoelectronic synaptic devices, optical modulators, and infrared image sensors. The book opens with an introduction to graphene for silicon optoelectronics, followed by chapters describing the growth, transfer, and physics of graphene/silicon junctions. Subsequent chapters each focus on a particular Gr/Si application, including high-performance photodetectors, solar energy harvesting devices, and hybrid waveguide devices. The book concludes by offering perspectives on the future challenges and prospects of Gr/Si optoelectronics, including the emergence of wafer-scale systems and neuromorphic optoelectronics. Illustrates the benefits of graphene-based electronics and hybrid device architectures that incorporate existing Si technology Covers all essential aspects of Gr/Si devices, including material synthesis, device fabrication, system integration, and related physics Summarizes current progress and future challenges of wafer-scale 2D-Si integrated optoelectronic devices Explores a wide range of Gr/Si devices, such as synaptic phototransistors, hybrid waveguide modulators, and graphene thermopile image sensors Graphene for Post-Moore Silicon Optoelectronics is essential reading for materials scientists, electronics engineers, and chemists in both academia and industry working with the next generation of Gr/Si devices.

The book “Graphene for Post-Moore Silicon Optoelectronics”, explores emerging applications of 2D-3D hybrid systems and showcases their importance in post-Moore optoelectronics. It explores the potential of silicon and its well-matured technology in achieving intriguing benefits of graphene and other related 2D materials for future optoelectronics.

Moore's law projects a doubling of digital electronic devices every two years within a fixed cost and area while improving their performance and functionality.  But this progress has slowed due to difficulty in achieving complex doping profiles and excessive leakage currents when devices are scaled down below 3 nm. To overcome this, new technologies based on novel materials, circuits, and device architecture has been explored. 2D materials like graphene have emerged as alternate candidates for both computational and non-computational applications due to their atomically thin structures and excellent charge transport properties.

In recent years, prototypes of 2D/Si chips, specifically those utilizing graphene, have been successfully developed for various applications such as image sensor arrays and optical receivers. These prototypes are created on integrated silicon chips, with silicon devices serving as the driver, source, and readout circuitry. This book delves into these prospects and discusses the fundamentals, practical uses, obstacles, and potentials of integrating graphene with Si technologies, with a specific focus on optoelectronic devices in the post-Moore era.

This book, authored by Profs. Yang Xu and Bin Yu and their research team, delve into the challenges and benefits of combining graphene with silicon optoelectronics while discussing the latest advancements in the field. The book emphasizes the significance of studying both 2D and Si as light-absorbing materials and creating a hybrid system that utilizes the strengths of these materials from different dimensions. The book also discusses the importance of the van der Waals (vdWs) approach with enhanced integration freedom in developing next-generation optoelectronics. This book covers important topics in modern optoelectronics, including hot electron emission mechanisms, photogate effects, and optoelectronic synapses, often overlooked in traditional textbook content. The challenges and perspective section in each chapter raises important questions and existing challenges that must be focussed on the future research.

This book places special emphasis on emerging applications such as broadband photodetectors, optoelectronic synaptic devices, optical modulators, and infrared image sensors. It will serve as an excellent reference for graduate students, postdocs, and scientists from both academia and industry.




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