CAREER: THz active metamaterials employing thin-film semiconductors

职业：采用薄膜半导体的太赫兹活性超材料

• 批准号: 1351389
• 负责人: Berardi Sensale-Rodriguez
• 金额: $ 40万
• 依托单位: University of Utah
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-01-01 至 2019-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1351389&HistoricalAwards=false
• 关键词: CAREER; THz; active; metamaterials; employing

Objective: The objective of this program is to provide a solid foundation for the PI's long-term research goal of developing active solid-state terahertz devices that can be employed in compact, low cost communication and imaging systems. Based on the enhanced light-matter interaction in thin-film semiconductor-based metamaterials, this proposal aims to develop devices for: a) terahertz beam steering, based on the linear properties of these materials, and b) terahertz generation via mixing and/or higher harmonic generation, based on the materials nonlinearities, thereby targeting two of the central limitations in existing terahertz technology. Intellectual Merit: The intellectual merit is to foster the development of novel terahertz optoelectronic devices, which can form the basis for a wide range of applications. Moreover, these studies are expected to improve the current understanding about the terahertz properties of two thin-film semiconductors: vanadium dioxide and graphene, especially in terms of their non-linear properties. Since both materials can be built on arbitrary substrates, their low cost is expected to lead to market applications. Broader Impact: The broader impacts are to create some of the components necessary to make complex terahertz systems and to make these more readily available. It is expected that the developed technologies will be transformative to a broad range of scientific and application-oriented communities. Moreover, undergraduate and graduate students will be trained in the emergent fields of terahertz and nanomaterials, and they are an integral element of the designed outreach activities to disseminate the new discoveries to the general audience, school teachers and students.

目的：该计划的目的是为PI的长期研究目标提供坚实的基础，即开发可用于紧凑，低成本通信和成像系统的活跃固态Terahertz设备。 Based on the enhanced light-matter interaction in thin-film semiconductor-based metamaterials, this proposal aims to develop devices for: a) terahertz beam steering, based on the linear properties of these materials, and b) terahertz generation via mixing and/or higher harmonic generation, based on the materials nonlinearities, thereby targeting two of the central limitations in existing terahertz technology. 知识分子的优点：知识分子的优点是促进新型Terahertz光电设备的发展，这可以为广泛的应用构成基础。此外，这些研究有望提高对两个薄膜半导体的Terahertz特性的当前理解：二氧化钒和石墨烯，尤其是在其非线性特性方面。 由于两种材料都可以建立在任意基板上，因此它们的低成本预计会导致市场应用。 更广泛的影响：更广泛的影响是创建制造复杂的Terahertz系统所需的一些组件并使其更容易获得。 预计开发的技术将转变为广泛的科学和以应用程序为导向的社区。 此外，本科生和研究生将在Terahertz和Nanomaterials的新兴领域接受培训，它们是设计的外展活动的组成部分，以将新发现传播给普通观众，学校老师和学生。