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

Mind the Gap: Nanoscale Speed Bump Could Regulate Plasmons for High-Speed Data Flow

April 1, 2015

The name sounds like something Marvin the Martian might have built, but the "nanomechanical plasmonic phase modulator" is not a doomsday device. Developed by a

Projects and Programs

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

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

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

Nanostructures for Energy Conversion

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

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

Nanoplasmonics and Three-Dimensional Plasmonic Metamaterials

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

Publications

Plasmon Lasers

August 26, 2020

Author(s)

Wenqi Zhu, Shawn M. Divitt, Matthew S. Davis, Cheng Zhang, Ting Xu, Henri J. Lezec, Amit K. Agrawal

Recent advancements in the ability to design, fabricate and characterize optical and optoelectronic devices at the nanometer scale have led to tremendous

Bio-inspired gas sensing: boosting performance with sensor optimization guided by machine learning"

May 12, 2020

Author(s)

Radislav A. Potyrailo, J. Brewer, B. Cheng, M. A. Carpenter, N. Houlihan, Andrei A. Kolmakov

Existing sensors for gaseous species often degrade their performance because of the loss of the measurement accuracy in the presence of interferences. Thus, new

Chiroptical response of aluminum nano-crescents at ultraviolet wavelengths

April 21, 2020

Author(s)

Matthew S. Davis, Wenqi Zhu, Jared H. Strait, Jay K. Lee, Henri J. Lezec, Steve Blair, Amit K. Agrawal

Manipulation of plasmon modes at ultraviolet wavelengths using engineered nanophotonic devices allows for the development of high-sensitivity chiroptical

Comparable Enhancement of TERS signals from WeSe2 on Chromium and Gold.

April 6, 2020

Author(s)

Albert Davydov, Sergiy Krylyuk, Angela R. Hight Walker, Bojan R. Ilic, Andrey Krayev, Ashish Bhattarai, Alan G. Joly, Matej Velicky, Patrick Z. El-Khoury

Plasmonic tip-sample junctions, at which the incident and scattered optical fields are localized and optimally enhanced, are often exploited to achieve