Nanoplasmonics

News and Updates

What a Switch! NIST-Led Team Develops Tiny Low-Energy Device to Rapidly Reroute Light in Computer Chips

November 14, 2019

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have developed an optical switch that routes light from one

Illustration of a plasmomechanical oscillator

Doing the Nano-Shimmy

April 9, 2018

Imagine a single particle, only one-tenth the diameter of a bacterium, whose miniscule jiggles induce sustained vibrations in an entire mechanical device some

schematic of laser light interacting with a plasmonic gap resonator

NIST Device for Detecting Subatomic-Scale Motion Has Potential Robotics, Homeland Security Applications

December 15, 2016

Scientists at the National Institute of Standards and Technology (NIST) have developed a new device that measures the motion of super-tiny particles traversing

Projects and Programs

PTIR combines the spatial resolution of AFM with the specificity of absorption spectroscopy

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Ongoing

Conventional techniques for analyzing chemical composition, such as infrared (IR) microscopy often miss critically important nanoscale details. To overcome this

Nanoplasmonics and Three-Dimensional Plasmonic Metamaterials

Ongoing

Metamaterials are tailor-made photonic composites--combinations of materials designed to achieve optical properties not seen in nature. The properties stem from

Nanostructures for Energy Conversion

Completed

Electrochemical systems containing nanostructured materials are increasingly being incorporated into devices for efficiently harvesting, storing, and converting

Designing the Nanoworld: Nanostructure, Nanodevices, and Nano-optics

Ongoing

Nano and atomic scale theory of the electronic, optical and mechanical properties of ultrasmall structures, such as semiconductor quantum dots and dopants in Si

Publications

Broadband Nanoscale Surface-Enhanced Raman Spectroscopy by Multiresonant Nanolaminate Plasmonic Nanocavities on Vertical Nanopillars

August 8, 2022

Author(s)

Meitong Nie, Yuming Zhao, Wonil Nam, Junyeob Song, Wenqi Zhu, Henri Lezec, Amit Agrawal, Wei Zhou

Surface-enhanced Raman spectroscopy (SERS) has become a sensitive detection technique for biochemical analysis. Despite significant research efforts, most SERS

Recent Advances in Ultraviolet Nanophotonics: from Plasmonics and Metamaterials to Metasurfaces

May 24, 2021

Author(s)

Dong Zhao, Zhelin Lin, Wenqi Zhu, Henri Lezec, Ting Xu, Amit Agrawal, Cheng Zhang, Kun Huang

Nanophotonic devices, composed of metals, dielectrics or semiconductors, enable precise and high-spatial-resolution manipulation of electromagnetic waves by

Compact Stereo Waveguide Display Based on a Unidirectional Polarization-Multiplexed Metagrating In-Coupler

March 22, 2021

Author(s)

Zeyang Liu, Cheng Zhang, Wenqi Zhu, Zhanhua Huang, Henri Lezec, Amit Agrawal, L. Jay Guo

Three-dimensional (3D) vision in augmented reality (AR) displays is attractive as it enables a highly immersive and realistic viewer experience. Current

Au/SiO2-Nanolaminated plasmonic nanoantennas as refractive-index-insensitive and transparent surface-enhanced raman spectroscopy substrates

March 10, 2021

Author(s)

Wonil Nam, Junyeob Song, Seied Ali Safiabadi Tali, Henri Lezec, Amit Agrawal, Wei Zhou

Surface-enhanced Raman spectroscopy (SERS) has become a powerful technique for ultrasensitive biochemical detection providing molecular fingerprint information