US-Turkey Cooperative Research: High Performance Resonant Cavity Enhanced Photodetectors and Applications

描述：该奖项支持波士顿大学电气、计算机和系统工程系的美国科学家Selim Unlu博士、土耳其安卡拉比尔肯特大学物理系的Ekmel Ozbay博士和比尔肯特大学电气工程系的Orhan Ayture博士之间的合作项目。这项研究的目的是改进化合物半导体光电探测器的设计、制造和表征，使其适用于工作在近红外光谱范围内的各种材料体系。这项研究将侧重于制造带宽效率产品接近100 GHz的高性能光电探测器。这些器件适用于需要高灵敏度、短响应时间和低功耗的高性能光通信和信号处理系统。在过去的几年里，出现了一类新的光电子器件，其性能通过将有源器件结构放置在法布里-珀罗共振微腔中而得到提高。利用计算机模拟技术对谐振腔增强型(RCE)探测方案进行了研究，结果表明，该方案可以极大地提高传统光电探测器的高速性能。该项目将建立在RCE探测器成熟的理论和现有经验的基础上，并建立高性能、超快和接近单位的量子效率光电探测器的原型。范围：该奖项允许两个能力互补的科学家团队合作从事重要的科学工作。这位美国P.I.是一位成就卓著的年轻科学家，他的学术和研究生涯还处于早期阶段，但他已经获得了NSF职业计划的资助。该赠款项下的研究是对本奖项中计划的研究的补充。比尔肯特的两位科学家最近在美国的大学获得了博士学位。他们的大学拥有制造超快光电探测器的优良设施。波士顿大学的一名美国研究生将参与比尔肯特大学的工作，并将有机会在国际环境下进行研究。该奖项由国际项目部和电气与通信系统部共同资助。

Description: This award supports a cooperative project between a US scientist, Dr. Selim Unlu, from the Department of Electrical, Computer, and Systems Engineering at Boston University, and Dr. Ekmel Ozbay, Department of Physics, and Dr. Orhan Aytur, Department of Electrical Engineering at Bilkent University, Ankara, Turkey. The research aims at improving the design, fabrication and characterization of compound semiconductor photodetectors in various material systems operating at near-IR spectral region. The research will emphasize the fabrication of high-performance photodetectors with bandwidth-efficiency products approaching 100GHz. These are suitable for use in high performance optical communication and signal processing systems that require high sensitivities, short response times, and low power consumption. Over the past few years a new family of optoelectronic devices has emerged whose performance is enhanced by placing the active device structure inside a Fabry-Perot resonant microcavity. The resonant cavity enhanced (RCE) detection scheme has been studied using computer simulation techniques, which showed they can impart drastic improvement to high-speed performance of conventional photodetectors. This project will build on the mature theory and existing experience in RCE detectors and to prototype high-performance ultrafast and nearly unity quantum efficiency photodetectors. Scope: This award allows cooperation of two teams of scientists whose capabilities complement each other to do important scientific work. The U.S. P.I. is an accomplished young scientist who is at an early stage in his academic and research career, but who has already received a grant from the NSF's CAREER program. The research under that grant is complementary to that planned in the present award. The two scientists at Bilkent have received their doctorates recently at universities in the United States. They have excellent facilities at their university for fabrication of the ultrafast photodetectors. One U.S. graduate student at Boston University will participate in the work done at Bilkent, and will have an opportunity for conducting research in an international setting. This award is jointly funded by the Division of International Programs and the Division of Electrical and Communication Systems.