Nanophotonics

News and Updates

cryogenically cooled laser microresonator frequency comb

Comb on a Chip: New Design for ‘Optical Ruler’ Could Revolutionize Clocks, Telescopes, Telecommunications

June 22, 2020

Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its

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

Sculpting Super-Fast Light Pulses: NIST Nanopillars Shape Light Precisely for Practical Applications

May 2, 2019

Imagine being able to shape a pulse of light in any conceivable manner—compressing it, stretching it, splitting it in two, changing its intensity or altering

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

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

Light-matter interactions in Semiconductor Nanostructures

The quantum optics of light interacting with semiconductor-based nanostructures is being studied to extend concepts of entanglement and coherence in atomic

Publications

Hybridization of circular and rectangular transverse profiles of nanophotonic modes for nonlinear optics

June 1, 2021

Author(s)

Xiyuan Lu, Wei Jiang, Kartik Srinivasan

Towards integrated photonic interposers for processing octave-spanning microresonator frequency combs

May 26, 2021

Author(s)

Ashutosh S. Rao, Gregory Moille, Xiyuan Lu, Daron Westly, Davide Sacchetto, Michael Geiselmann, Michael Zervas, Scott B. Papp, John E. Bowers, Kartik Srinivasan

Microcombs - optical frequency combs generated in microresonators - have advanced tremendously in the last decade, and are advantageous for applications in

Meta-grating outcouplers for optimized beam shaping in the visible

May 10, 2021

Author(s)

Chad Ropp, Alexander Yulaev, Daron Westly, Gregory Simelgor, Vladimir Aksyuk

Accurate coupling between optical modes at the interface between photonic chips and free space is required for the development of many on-chip devices. This

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

Tools and Instruments

Sample Preparation and Metrology Tools

Read about our sample preparation and metrology tools.

Awards

Kartik Srinivasan Elected OSA Fellow

Kartik Srinivasan of NIST’s Center for Nanoscale Science and Technology (CNST) was elected Fellow of the Optical Society (OSA). Dr