Symmetry Breaking in Non-Hermitian Plasmonic Lattices

非厄米等离激元晶格中的对称性破缺

基本信息

批准号：
1904385
负责人：
Teri Odom
金额：
$ 56万
依托单位：
Northwestern University
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2019
资助国家：
美国
起止时间：
2019-07-15 至 2023-06-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=1904385&HistoricalAwards=false
关键词：
Symmetry Breaking Non Hermitian Plasmonic

项目摘要

The Nobel Prize in Physics in 2016 was awarded to David J. Thouless, F. Duncan M. Haldane, and J. Michael Kosterlitz for theoretical discoveries of topological phase transitions and topological phases of matter. The term topology here refers to a property that remains intact when an object is stretched, twisted, or deformed. Topological materials that have previously been developed include topological insulators and topological photonic materials; such materials have potential to transform next-generation electronics and computers. The proposed experimental and theoretical work will focus on realizing topological plasmonic materials involving arrays of metal particles that may offer unprecedented functionality in a range of optoelectronic devices. Outreach efforts will integrate nanophotonics research advances into the classroom for freshman students and working with national organizations to promote science based on personal stories and public writing pieces.Topological photonics is an emerging area for realizing symmetry-protected properties at infrared and microwave wavelengths based on dielectric and magnetic materials but has had little connection to plasmonic materials. Hence, the effects of losses on properties such as topologically protected edges states are unknown. Moreover, recent advances in photonics theory suggest that such technologically interesting optical modes could be possible, and a major focus of this project is to determine whether topological edge states can be predicted using non-Hermitian models and realized experimentally in hybrid plasmonic lattices at visible wavelengths. The objectives include: (1) fabricating topological lattices based on deformed honeycomb lattices and investigating optical modes using non-Hermitian models and electrodynamics calculations that include higher multipoles; (2) realizing mechanically tunable topological lattices and establishing effects of distortions on switchable properties between trivial and topological states; (3) testing whether nanoparticle clusters that exhibit magnetic plasmon responses can support topological states; and (4) investigating whether plasmonic lattices with patterned regions of gain and tunable coupling strength can break parity-time symmetry.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.

2016年诺贝尔物理学奖授予David J. Thouless，F。DuncanM. Haldane和J. Michael Kosterlitz的拓扑相过渡和物质拓扑阶段的理论发现。此处的一词是指在物体被拉伸，扭曲或变形时保持完整的属性。以前开发的拓扑材料包括拓扑绝缘子和拓扑光子材料；这样的材料有可能改变下一代电子和计算机。提出的实验和理论工作将着重于实现涉及金属颗粒阵列的拓扑等离子材料，这些材料可能在一系列光电设备中提供前所未有的功能。宣传工作将使纳米素养学的研究将新生的纳米光子学研究进展到课堂上，并与国家组织合作根据个人故事和公共写作作品来促进科学。TopogolicyPhotonics是一个新兴领域，是一个新兴领域，用于实现在介电和磁性材料的红外和微波波长上，但几乎没有连接等离质材料。因此，损失对诸如拓扑保护边缘状态之类的性质的影响尚不清楚。此外，光子学理论的最新进展表明，这种技术上有趣的光学模式可能是可能的，该项目的主要重点是确定是否可以使用非热模型来预测拓扑边缘状态，并在可见波长的混合等离激元晶格中实现实验。这些目标包括：（1）基于变形的蜂窝晶格制造拓扑晶格，并使用非富甲模型和电动力学计算来研究光学模式，包括较高的多物；（2）实现机械上可调的拓扑晶格，并确定扭曲对微不足道和拓扑状态之间可切换性能的影响；（3）测试表现出磁等离子体反应的纳米颗粒簇是否可以支持拓扑状态；（4）调查具有收益和可调耦合强度的具有图案化区域的等离子晶格是否可以打破平均时间对称性。该奖项反映了NSF的法定任务，并被认为是通过基金会的智力优点和更广泛影响的审查标准通过评估来获得支持的。

项目成果

期刊论文数量（10）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

M-Point Lasing in Hexagonal and Honeycomb Plasmonic Lattices

DOI：
10.1021/acsphotonics.1c01618
发表时间：
2022-01
期刊：
ACS Photonics
影响因子：
7
作者：
Xitlali G. Juarez;Ran Li;J. Guan;Thaddeus Reese;R. Schaller;Teri W. Odom
通讯作者：
Xitlali G. Juarez;Ran Li;J. Guan;Thaddeus Reese;R. Schaller;Teri W. Odom

Hierarchical Hybridization in Plasmonic Honeycomb Lattices

DOI：
10.1021/acs.nanolett.9b02661
发表时间：
2019-09-01
期刊：
NANO LETTERS
影响因子：
10.8
作者：
Li, Ran;Bourgeois, Marc R.;Odom, Teri W.
通讯作者：
Odom, Teri W.

Engineering Directionality in Quantum Dot Shell Lasing Using Plasmonic Lattices

DOI：
10.1021/acs.nanolett.9b05342
发表时间：
2020-02-01
期刊：
NANO LETTERS
影响因子：
10.8
作者：
Guan, Jun;Sagar, Laxmi Kishore;Odom, Teri W.
通讯作者：
Odom, Teri W.

Surface Normal Lasing from CdSe Nanoplatelets Coupled to Aluminum Plasmonic Nanoparticle Lattices

DOI：
10.1021/acs.jpcc.1c05662
发表时间：
2021-09
期刊：
The Journal of Physical Chemistry C
影响因子：
0
作者：
Nicolas E Watkins;J. Guan;B. Diroll;Kali R. Williams;R. Schaller;Teri W. Odom
通讯作者：
Nicolas E Watkins;J. Guan;B. Diroll;Kali R. Williams;R. Schaller;Teri W. Odom

Lasing from Finite Plasmonic Nanoparticle Lattices