Nonreciprocity at telecom wavelengths

电信波长的非互易性

• 批准号: 2226109
• 负责人: Janice Musfeldt
• 金额: $ 46.94万
• 依托单位: University of Tennessee Knoxville
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-08-01 至 2026-07-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2226109&HistoricalAwards=false
• 关键词: Nonreciprocity; telecom; wavelengths

Non-technical abstract: The overall goals of this program are to explore nonreciprocity in a series of Er-containing multiferroics and to invest in the education of a diverse group of young people at the University of Tennessee. Both initiatives merit broad support because they will advance the fundamental understanding of one-way transparency in ultra-low symmetry materials and contribute to important societal values and outcomes. To focus our efforts, we will concentrate on nonreciprocity in the C-band telecom regime – particularly at 1550 nm where Er glass fibers are currently in use – and several different Er-containing systems have been selected to test these ideas using high field spectroscopies at the National High Magnetic Field Laboratory. A broad range of educational, outreach, and service activities will also take place under the auspices of this National Science Foundation-funded program, especially in the areas of diversity, conference and workshop organization, and service to various national laboratories.Technical abstract: The research outlined in this proposal builds upon our team’s recent discovery of nonreciprocal directional dichroism across the telecom wavelength range in Ni3TeO6. Given the commercial use of drawn Er-glass fibers for optical communications, we hypothesize that multiferroics like Er-substituted YMnO3, Er-doped Ni3TeO6, ErFe3(BO3)4, and ErFeO3 may offer broken symmetry, low loss environments in which changing magnetic field or light propagation direction can create optical diode effects. Our goals are to (i) reveal new states of matter hosting unusual symmetries and properties, (ii) explore how ultra-low symmetries generate dynamic magnetoelectric coupling and nonreciprocity, (iii) test strategies for placing dichroic contrast in the C-band region, (iv) unravel structure-property relations connected with nonreciprocity, and (v) discover how these effects can be enhanced and controlled. What brings these efforts together is the opportunity to explore completely new types of light-matter interactions under extreme conditions. Findings from this program will advance theoretical development and photonics applications. This program also supports the interdisciplinary education of a diverse group of young researchers for future employment in academics, government laboratories, and industry in the area of quantum materials.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

非技术摘要：该计划的总体目标是探索一系列含铒多铁性材料中的非互易性，并投资于田纳西大学不同群体年轻人的教育，因为这两项举措都值得广泛支持。推进对超低对称性材料单向透明度的基本理解，并为重要的社会价值和成果做出贡献。为了集中我们的努力，我们将集中精力研究 C 波段电信体制中的非互易性，特别是 1550 nm。目前正在使用铒玻璃纤维，并且已选择几种不同的含铒系统，在国家高磁场实验室使用高场光谱来测试这些想法。还将开展广泛的教育、推广和服务活动。在这个国家科学基金会资助的项目的赞助下，特别是在多样性、会议和研讨会组织以及为各个国家实验室提供服务等领域。技术摘要：本提案中概述的研究建立在我们团队最近发现的基础上鉴于 Ni3TeO6 中拉制 Er 玻璃光纤的商业用途，我们寻求诸如 Er 取代的 YMnO3、掺铒 Ni3TeO6、ErFe3(BO3)4 和 ErFeO3 等多铁性材料可以提供跨电信波长范围的非互易方向二色性。我们的目标是 (i) 揭示新的光学二极管效应。具有不寻常对称性和性质的物质状态，(ii) 探索超低对称性如何产生动态磁电耦合和非互易性，(iii) 在 C 波段区域放置二向色对比的测试策略，(iv) 揭示相关的结构-性质关系具有非互易性，以及（v）发现如何增强和控制这些效应，将这些努力结合在一起是探索极端条件下全新类型的光与物质相互作用的机会，该计划的发现将取得进展。该项目还支持对量子材料领域的学术界、政府实验室和工业界未来就业的多元化年轻研究人员进行跨学科教育。该奖项反映了 NSF 的法定使命，并被视为值得通过使用基金会的智力优点和更广泛的影响审查标准进行评估来支持。