TCHCS: Ultra-High Modulation Efficiency Semiconductor Lasers for RF(Wireless)-Optical(Fiber/Free-Space) Hybrid Links

TCHCS：用于射频（无线）-光学（光纤/自由空间）混合链路的超高调制效率半导体激光器

• 批准号: 0636593
• 负责人: Farhan Rana
• 金额: $ 30万
• 依托单位: Cornell University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-12-01 至 2009-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0636593&HistoricalAwards=false
• 关键词: TCHCS; Ultra; Modulation; Efficiency; Semiconductor

ECS-0636593F. Rana, Cornell UniversityThe goal of this project is to develop laser sources that will enable high gain hybrid wireless/optical links. The research proposed here aims to develop semiconductor lasers with ultra-high modulation efficiencies that can increase optical link gains by as much as 40 dB, without adding to the cost, power budget, noise budget, and without sacrificing the link bandwidth. The proposed laser sources could be used to realize amplifier-free hybrid RF/wireless-optical (fiber/free-space) links where the link itself would act as the amplifier. The proposed research plan also includes demonstrations of amplifier-free hybrid RF/wireless-optical (fiber/free-space) links with high link gains and with bandwidths in the 1-10 GHz range. The availability of such devices would enable cheap, cost-effective, and power efficient hybrid micro-cellular and pico-cellular network modules that would allow seamless flow of information between the RF (wireless) and the optical domains. The proposed project would involve interdisciplinary research from device design and fabrication to link design and development providing a rich set of areas for graduate student research. The proposed work will support the research of two graduate students and one undergraduate student at Cornell University. Curriculum development will be strongly integrated into the research work. The PI will continue to develop the courses Electromagnetic fields and Waves and Semiconductor Optoelectronics that were recently developed by the PI and are offered at Cornell. The proposed work also integrates outreach programs geared towards high school (K-12) students and teachers and development of table-top educational modules of optical links for high school students. Intellectual MeritsThe research proposed here aims to develop semiconductor lasers with ultra-high modulation efficiencies that can increase optical link gains by as much as 40 dB, without adding to the cost, power budget, noise budget, and without sacrificing the bandwidth. The proposed devices could enable hybrid RF/wireless-optical (fiber/free-space) links with net positive gain (in dB) even in the presence of large link attenuation. Such large link gain values are achievable because the proposed lasers have differential quantum efficiencies that can be 50-100 times larger than those of conventional semiconductor lasers. The proposed lasers could be used to realize amplifier-free hybrid RF/wireless-optical (fiber/free-space) links where the link itself would act as the amplifier. The availability of such devices would enable cheap, cost-effective, and power efficient hybrid micro-cellular and pico-cellular network modules that would allow seamless flow of information between the RF (wireless) and the optical domains. The proposed research plan also includes demonstrations of amplifier-free hybrid RF/wireless-optical (fiber/free-space) links with high link gains and with bandwidths in the 1-10 GHz range. Broader ImpactsA successful completion of the proposed project would involve interdisciplinary research from device design and fabrication to link design and development providing a rich set of areas for graduate student research. The proposed work will support the research of two graduate students and one undergraduate student at Cornell University. Curriculum development will be strongly integrated into the research work. The PI will continue to develop the courses Electromagnetic fields and Waves and Semiconductor Optoelectronics that were recently developed by the PI and are offered at Cornell. These courses will integrate fundamental principles with optical and microwave/RF/wireless cutting edge technologies and provide hands-on training to undergraduate students. The proposed work also integrates outreach programs geared towards high school (K-12) students and teachers. The PI will participate in teacher training workshops organized by various NSF funded centers at Cornell University and will develop table top educational modules of optical links using lasers, detectors and optical fibers. The graduate students engaged in the research will also help develop educational modules for high school students.

ECS-0636593F。Rana，康奈尔大学该项目的目标是开发能够实现高增益混合无线/光学链路的激光源。本文提出的研究旨在开发具有超高调制效率的半导体激光器，可以将光链路增益提高多达40 dB，而不会增加成本，功率预算，噪声预算，并且不会牺牲链路带宽。所提出的激光源可用于实现无干扰器的混合RF/无线光（光纤/自由空间）链路，其中链路本身将充当放大器。拟议的研究计划还包括演示具有高链路增益和1-10 GHz范围带宽的无干扰混合RF/无线光（光纤/自由空间）链路。这种设备的可用性将实现廉价、成本有效和功率有效的混合微蜂窝和微微蜂窝网络模块，其将允许RF（无线）域与光域之间的无缝信息流。拟议的项目将涉及跨学科的研究，从设备设计和制造，以链接设计和开发提供了一套丰富的研究生研究领域。拟议的工作将支持康奈尔大学的两名研究生和一名本科生的研究。课程开发将与研究工作紧密结合。PI将继续开发课程电磁场和波和半导体光电子学，最近由PI开发，并在康奈尔大学提供。拟议的工作还整合了面向高中（K-12）学生和教师的外展计划，以及为高中学生开发桌面光学链接教育模块。 本研究旨在开发具有超高调制效率的半导体激光器，可以将光链路增益提高40 dB，而不会增加成本、功率预算、噪声预算，也不会牺牲带宽。所提出的设备可以使混合RF/无线光（光纤/自由空间）链路具有净正增益（dB），即使在存在大的链路衰减。这样大的链路增益值是可实现的，因为所提出的激光器具有可以比常规半导体激光器大50-100倍的差分量子效率。所提出的激光器可用于实现无干扰器的混合RF/无线光（光纤/自由空间）链路，其中链路本身将充当放大器。这种设备的可用性将实现廉价、成本有效和功率有效的混合微蜂窝和微微蜂窝网络模块，其将允许RF（无线）域与光域之间的无缝信息流。拟议的研究计划还包括演示具有高链路增益和1-10 GHz范围带宽的无干扰混合RF/无线光（光纤/自由空间）链路。更广泛的影响拟议项目的成功完成将涉及从设备设计和制造到链接设计和开发的跨学科研究，为研究生研究提供了丰富的领域。拟议的工作将支持康奈尔大学的两名研究生和一名本科生的研究。课程开发将与研究工作紧密结合。PI将继续开发课程电磁场和波和半导体光电子学，最近由PI开发，并在康奈尔大学提供。这些课程将把基本原理与光学和微波/射频/无线尖端技术相结合，并为本科生提供实践培训。拟议的工作还整合了面向高中（K-12）学生和教师的外展计划。PI将参加由NSF资助的康奈尔大学各中心组织的教师培训研讨会，并将开发使用激光器，探测器和光纤的光学链路桌面教育模块。参与研究的研究生还将帮助开发高中生教育模块。