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Search results for nanophotonic

Optics & Photonics Jan 4, 2023

High-performance visible-light lasers that fit on a fingertip

As technologies keep advancing at exponential rates and demand for new devices rises accordingly, miniaturizing systems into chips has become increasingly important. Microelectronics has changed the way we manipulate electricity, ...

Optics & Photonics Dec 30, 2022

Study explores topological beaming of light

Nanophotonic light emitters are compact and versatile devices with wide-ranging applications in applied physics. In a new report now published on Science Advances, Ki Young Lee and a research team in physics and engineering ...

Optics & Photonics Dec 21, 2022

Inverse design and realization of an optical cavity-based displacement transducer with arbitrary responses

Displacement as a basic physical quantity often serves as the intermediate physical quantity of various sensors in terms of its excellent testability. Most sensors transform the quantity to be measured, including force, deformation, ...

Condensed Matter Dec 19, 2022

Researchers realize remote tuning of lifetime of coupled Dirac plasmons

Recently, the team led by Prof. Zeng Changgan from the University of Sciences and Technology of China (USTC) of the Chinese Academy of Sciences, collaborating with Li Xiaoguang's team from Shenzhen University, has enabled ...

Biotechnology Dec 6, 2022

CRISPR insight: How to fine-tune Cas protein's grip on DNA

At the heart of every CRISPR reaction, whether naturally occurring in bacteria or harnessed by CRIPSR-Cas gene editing technology, is a strong molecular bond of a Cas protein via a guide RNA to its target site on DNA. It's ...

Optics & Photonics Dec 2, 2022

Broken symmetries provide opportunities for thermal emission management

Radiative heat transfer is a ubiquitous physical process in our universe. Any object with a temperature above absolute zero exchanges thermal energy with the environment. In physics, thermal emission originates from electromagnetic ...

Nanophysics Nov 24, 2022

A light-powered catalyst could be key for hydrogen economy

Rice University researchers have engineered a key light-activated nanomaterial for the hydrogen economy. Using only inexpensive raw materials, a team from Rice's Laboratory for Nanophotonics, Syzygy Plasmonics Inc. and Princeton ...

Optics & Photonics Nov 16, 2022

Researchers unlock light-matter interactions on sub-nanometer scales, leading to 'picophotonics'

Researchers at Purdue University have discovered new waves with picometer-scale spatial variations of electromagnetic fields that can propagate in semiconductors like silicon. The research team, led by Dr. Zubin Jacob, Elmore ...

Nanophysics Nov 14, 2022

Hybridization of surface lattice resonances induces dual-band bound states in continuum

In metasurfaces, surface lattice resonances (SLRs) and bound state in the continuum (BIC) are two convenient approaches for achieving high quality factors (Q-factors).

Optics & Photonics Oct 26, 2022

Researchers compress light 12 times below the diffraction limit in a dielectric material

Until recently, it was widely believed among physicists that it was impossible to compress light below the so-called diffraction limit (see below), except when using metal nanoparticles, which unfortunately also absorb light. ...

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