Collaborative Research: Active Metamaterial/pHEMT Hybrid Devices for Terahertz Modulation and Detection

合作研究：用于太赫兹调制和检测的活性超材料/pHEMT混合器件

• 批准号: 1002340
• 负责人: Willie Padilla
• 金额: $ 17.99万
• 依托单位: Boston College
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-06-01 至 2013-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1002340&HistoricalAwards=false
• 关键词: Collaborative; Research; Active; Metamaterial; pHEMT

The objective of the research is to design and develop a suite of electronic devices operating at terahertz frequencies. The approach is based on the active control of metamaterial structures using plasma wave resonant behavior of the gated two-dimensional electron gas in the channel of GaAs HEMT devices. Intellectual Merit: The research is focused on the creation of unique metamaterial/pHEMT hybrid devices to fill the "terahertz gap," where very few components exist today. The fundamental approach uniquely combines the emerging field of electromagnetic metamaterials with novel plasma wave electronic transport phenomena in transistors. The plasma wave behavior in sub-micron transistors offers the unique possibility to detect and modulate terahertz frequency signals. Modulator and demodulator device architectures will be developed to facilitate wireless communications in the terahertz regime with targeted data rates exceeding hundreds of gigabits per second. Broader Impacts: The research will help catalyze development in diverse areas such as high data rate wireless communications, terahertz spectroscopy for cancer detection and tools for homeland security. The project will establish research and teaching laboratories at Boston College and Tufts University in the area of metamaterials and terahertz electronics. The project will support diversity and outreach activities through research programs for undergraduates and summer programs for students from under-represented groups, The researchers also plan to offer lectures at local high schools primarily in minority-dominated neighborhoods, and participate actively in K-12 student-teacher mentorship programs established at Tufts University and Boston College.

这项研究的目标是设计和开发一套工作在太赫兹频率的电子设备。这种方法是基于利用GaAsHEMT器件沟道中门控二维电子气的等离子体波共振行为来主动控制超材料结构的。智力优势：这项研究的重点是创造独特的超材料/PHEMT混合器件，以填补目前几乎没有元件的“太赫兹缺口”。基本方法独特地将新兴的电磁超材料领域与晶体管中的新型等离子体波电子传输现象结合在一起。亚微米晶体管中的等离子体波特性为检测和调制太赫兹频率信号提供了独特的可能性。将开发调制器和解调器设备架构，以促进太赫兹体制下的无线通信，目标数据速率超过每秒数百吉比特。更广泛的影响：这项研究将有助于促进不同领域的发展，如高数据速率无线通信、用于癌症检测的太赫兹光谱和国土安全工具。该项目将在波士顿学院和塔夫茨大学建立超材料和太赫兹电子学领域的研究和教学实验室。该项目将通过面向本科生的研究项目和面向代表不足群体的学生的暑期项目来支持多样性和外展活动，研究人员还计划主要在少数族裔占主导地位的社区在当地高中授课，并积极参与塔夫茨大学和波士顿学院建立的K-12学生-教师指导计划。