Semiconductor nanowire electro-optic and photonic devices for optical communications

“这项奖励是根据2009年美国复苏和再投资法案（公法111-5）资助的。”目的：纳米线独特的几何结构使其具有较大的比表面积和体积比，并具有合理控制掺杂和异质结构形成的能力，可用于许多器件和子系统模块，用于各种应用。在这个项目中，我们将以我们在半导体衬底上纳米线生长的经验为基础，推进基于纳米线的电光和光子器件的研究，如用于光通信的纳米线光调制器和纳米线光电二极管，并开发允许纳米线器件与硅器件大规模集成的制造工艺。智力优势：提出的研究将推进制造功能纳米线器件的技术，并允许它们与现有的CMOS或Si光子电路集成。本项目所研究和制造的结合纳米线的光调制器和光电二极管将在光通信系统以及实现高速和节能的光芯片互连方面取得非常重要的进展。更广泛的影响：该项目将提供对纳米线特性的更好理解，这对于在包含纳米线的设备中实现性能均匀性和可重复性至关重要。从教育角度来看，该项目将通过将材料科学、纳米器件和制造等方面纳入现有课程，培养跨学科领域的本科生和研究生。该项目将通过本科生研讨会和研究参与以及与高中生的接触，为吸引和培养具有广泛代表性的未来工程师群体所需的教育基础设施作出贡献。

"This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5)."Objective: Nanowires' unique geometry leads to a large surface area to volume ratio, which, along with the capability of rational control in doping and heterostructure formation, can be exploited in many devices and subsystem modules for various applications. In this program, we will build upon our experience on nanowire growth on semiconductors substrates to advance the study of nanowire based electro-optic and photonic devices such as nanowire optical modulator and nanowire photodiode for optical communications, and to develop fabrication processes that allow the massive integration of nanowire devices with Si devices. Intellectual Merit: The proposed research will advance the technologies that make functional nanowire devices and allow their integration with existing CMOS or Si Photonic circuits. Optical modulator and photodiode incorporating nanowires investigated and fabricated in this program will lead to very significant and important advances in optical communication systems as well as enabling high speed and energy efficient optical intrachip interconnects. Broader Impact: The project will provide a better understanding of nanowire properties that are essential for achieving performance uniformity and reproducibility in devices incorporating nanowires. From an educational perspective, the project will train undergraduate and graduate students in an inherently interdisciplinary field by incorporating aspects of materials science, nano- scale device and fabrication, into existing courses. The project will contribute to the educational infrastructure required to attract and train a broadly represented group of future engineers through undergraduate seminars and research participation, and through outreach to high school students.