Miniaturization of optical spectrometers

Z Yang, T Albrow-Owen, W Cai, T Hasan - Science, 2021 - science.org
BACKGROUND Optical spectrometry is one of the most powerful and widely used
characterization tools in scientific and industrial research. Benchtop laboratory spectrometer …

A progress review on solid‐state LiDAR and nanophotonics‐based LiDAR sensors

N Li, CP Ho, J Xue, LW Lim, G Chen… - Laser & Photonics …, 2022 - Wiley Online Library
Light detection and ranging (LiDAR) sensors enable precision sensing of an object in 3D.
LiDAR technology is widely used in metrology, environment monitoring, archaeology, and …

Miniaturized spectrometers with a tunable van der Waals junction

HH Yoon, HA Fernandez, F Nigmatulin, W Cai, Z Yang… - Science, 2022 - science.org
Miniaturized computational spectrometers, which can obtain incident spectra using a
combination of device spectral responses and reconstruction algorithms, are essential for on …

Monocular metasurface camera for passive single-shot 4D imaging

Z Shen, F Zhao, C **, S Wang, L Cao… - Nature …, 2023 - nature.com
It is a grand challenge for an imaging system to simultaneously obtain multi-dimensional
light field information, such as depth and polarization, of a scene for the accurate perception …

Compact angle-resolved metasurface spectrometer

G Cai, Y Li, Y Zhang, X Jiang, Y Chen, G Qu, X Zhang… - Nature Materials, 2024 - nature.com
Light scattered or radiated from a material carries valuable information on the said material.
Such information can be uncovered by measuring the light field at different angles and …

A wavelength-scale black phosphorus spectrometer

S Yuan, D Naveh, K Watanabe, T Taniguchi, F **a - Nature Photonics, 2021 - nature.com
On-chip spectrometers with compact footprints are being extensively investigated owing to
their promising future in critical applications such as sensing, surveillance and spectral …

Computational spectropolarimetry with a tunable liquid crystal metasurface

Y Ni, C Chen, S Wen, X Xue, L Sun, Y Yang - eLight, 2022 - Springer
While conventional photodetectors can only measure light intensity, the vectorial light field
contains much richer information, including polarization and spectrum, that are essential for …

Machine learning and computation-enabled intelligent sensor design

Z Ballard, C Brown, AM Madni, A Ozcan - Nature Machine Intelligence, 2021 - nature.com
Over the past several decades the dramatic increase in the availability of computational
resources, coupled with the maturation of machine learning, has profoundly impacted …

Single-nanowire spectrometers

Z Yang, T Albrow-Owen, H Cui, J Alexander-Webber… - Science, 2019 - science.org
Spectrometers with ever-smaller footprints are sought after for a wide range of applications
in which minimized size and weight are paramount, including emerging in situ …

Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers

W Deng, Z Zheng, J Li, R Zhou, X Chen… - Nature …, 2022 - nature.com
Miniaturized spectrometers are of considerable interest for their portability. Most designs to
date employ a photodetector array with distinct spectral responses or require elaborated …