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 …

Flat optics with dispersion-engineered metasurfaces

WT Chen, AY Zhu, F Capasso - Nature Reviews Materials, 2020‏ - nature.com
Control over the dispersion of the refractive index is essential to the performance of most
modern optical systems. These range from laboratory microscopes to optical fibres and even …

Compact multi-foci metalens spectrometer

R Wang, MA Ansari, H Ahmed, Y Li, W Cai… - Light: Science & …, 2023‏ - nature.com
A lightweight and portable spectrometer is desirable for miniaturization and integration. The
unprecedented capability of optical metasurfaces has shown much promise to perform such …

Independent phase modulation for quadruplex polarization channels enabled by chirality-assisted geometric-phase metasurfaces

Y Yuan, K Zhang, B Ratni, Q Song, X Ding… - Nature …, 2020‏ - nature.com
Geometric-phase metasurfaces, recently utilized for controlling wavefronts of circular
polarized (CP) electromagnetic waves, are drastically limited to the cross-polarization …

Integrated reconstructive spectrometer with programmable photonic circuits

C Yao, K Xu, W Zhang, M Chen, Q Cheng… - Nature …, 2023‏ - nature.com
Optical spectroscopic sensors are a powerful tool to reveal light-matter interactions in many
fields. Miniaturizing the currently bulky spectrometers has become imperative for the wide …

Active optical metasurfaces: comprehensive review on physics, mechanisms, and prospective applications

J Yang, S Gurung, S Bej, P Ni… - Reports on Progress in …, 2022‏ - iopscience.iop.org
Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …

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 …

Metalenses: Versatile multifunctional photonic components

M Khorasaninejad, F Capasso - Science, 2017‏ - science.org
BACKGROUND Future high-performance portable and wearable optical devices and
systems with small footprints and low weights will require components with small form …

Electromagnetic metasurfaces: physics and applications

S Sun, Q He, J Hao, S **ao, L Zhou - Advances in Optics and …, 2019‏ - opg.optica.org
Metasurfaces are ultrathin metamaterials consisting of planar electromagnetic (EM)
microstructures (eg, meta-atoms) with pre-determined EM responses arranged in specific …

Recent advancements of metalenses for functional imaging

D Jeon, K Shin, SW Moon, J Rho - Nano Convergence, 2023‏ - Springer
Metasurfaces can modulate light with periodically arranged subwavelength scatterers, and
they can generate arbitrary wavefronts. Therefore, they can be used to realize various …