Research progress on on‐chip Fourier transform spectrometer

L Zhang, J Chen, C Ma, W Li, Z Qi… - Laser & Photonics …, 2021 - Wiley Online Library
A Fourier transform spectrometer (FTS) is recognized as a highly precise analytical
instrument for analyzing the constituent elements of matter in the fields of physics, chemistry …

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 …

Breaking the resolution-bandwidth limit of chip-scale spectrometry by harnessing a dispersion-engineered photonic molecule

H Xu, Y Qin, G Hu, HK Tsang - Light: Science & Applications, 2023 - nature.com
The chip-scale integration of optical spectrometers may offer new opportunities for in situ bio-
chemical analysis, remote sensing, and intelligent health care. The miniaturization of …

[PDF][PDF] Ultrahigh-resolution on-chip spectrometer with silicon photonic resonators

L Zhang, M Zhang, T Chen, D Liu, S Hong… - Opto-Electronic …, 2022 - researching.cn
A compact spectrometer on silicon is proposed and demonstrated with an ultrahigh
resolution. It consists of a thermallytunable ultra-high-Q resonator aiming at ultrahigh …

Harnessing disorder for photonic device applications

H Cao, Y Eliezer - Applied Physics Reviews, 2022 - pubs.aip.org
For photonic devices, structural disorder and light scattering have long been considered
annoying and detrimental features that were best avoided or minimized. This review shows …

Cavity-enhanced scalable integrated temporal random-speckle spectrometry

H Xu, Y Qin, G Hu, HK Tsang - Optica, 2023 - opg.optica.org
Chip-scale integrated spectrometers have many prospective applications, such as in situ
biochemical analysis, optical coherence tomography, and remote hyperspectral sensing …

Scalable integrated two-dimensional Fourier-transform spectrometry

H Xu, Y Qin, G Hu, HK Tsang - Nature Communications, 2024 - nature.com
Integrated spectrometers offer the advantages of small sizes and high portability, enabling
new applications in industrial development and scientific research. Integrated Fourier …

Neural network-based on-chip spectroscopy using a scalable plasmonic encoder

C Brown, A Goncharov, ZS Ballard, M Fordham… - ACS …, 2021 - ACS Publications
Conventional spectrometers are limited by trade-offs set by size, cost, signal-to-noise ratio
(SNR), and spectral resolution. Here, we demonstrate a deep learning-based spectral …

Integrated single-resonator spectrometer beyond the free-spectral-range limit

H Xu, Y Qin, G Hu, HK Tsang - ACS Photonics, 2023 - ACS Publications
The chip-scale miniaturization of optical spectrometers may enable many potential
applications, such as wearable health monitoring, field deployable biochemical sensing …

Optical-domain spectral super-resolution via a quantum-memory-based time-frequency processor

M Mazelanik, A Leszczyński, M Parniak - Nature Communications, 2022 - nature.com
Existing super-resolution methods of optical imaging hold a solid place as an application in
natural sciences, but many new developments allow for beating the diffraction limit in a more …