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 …

On-chip devices for absorption spectroscopy and Raman spectroscopy have been
developing rapidly in the last few years, triggered by the growing availability of compact and …

Integrated spectrometers provide the possibility of compact, low-cost portable spectroscopy
sensing, which is the critical component of the lab-on-a-chip system. However, using …

We compare the performance of silicon-based arrayed waveguide gratings (AWGs) with star
couplers of Rowland and Confocal configurations, respectively, for both TE and TM …

Integrated microspectrometers implemented in silicon photonic chips have gathered a great
interest for diverse applications such as biological analysis, environmental monitoring, and …

On-chip spectrometers with high compactness and portability enable new applications in
scientific research and industrial development. Fourier transform (FT) spectrometers have …

Integrated mid-infrared micro-spectrometers have a great potential for applications in
environmental monitoring and space exploration. Silicon-on-insulator (SOI) is a promising …

On-chip Fourier-transform spectrometers (FTSs) based on Mach–Zehnder interferometer
(MZI) arrays suffer from severe central wavelength and fringe contrast variation due to …

Inverse design has become an effective automation tool for generating high-performance,
fabrication-feasible photonic integrated devices, enabling the manipulation of light in …

Chip-level spectrometers provide a stable and cost-effective solution for spectral analysis in
various applications. Here we present a silicon on-chip digital Fourier transform …