BACKGROUND Optical spectrometry is one of the most powerful and widely used
characterization tools in scientific and industrial research. Benchtop laboratory spectrometer …

The proliferation of Internet-of-Things has promoted a wide variety of emerging applications
that require compact, lightweight, and low-cost optical spectrometers. While substantial …

Miniaturized computational spectrometers, which can obtain incident spectra using a
combination of device spectral responses and reconstruction algorithms, are essential for on …

On-chip spectrometers with compact footprints are being extensively investigated owing to
their promising future in critical applications such as sensing, surveillance and spectral …

Over the past several decades the dramatic increase in the availability of computational
resources, coupled with the maturation of machine learning, has profoundly impacted …

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 …

Miniaturized spectrometers are of considerable interest for their portability. Most designs to
date employ a photodetector array with distinct spectral responses or require elaborated …

Optical phase shifters constitute the fundamental building blocks that enable programmable
photonic integrated circuits (PICs)—the cornerstone of on-chip classical and quantum …

Active metasurfaces, whose optical properties can be modulated post-fabrication, have
emerged as an intensively explored field in recent years. The efforts to date, however, still …

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 …