High‐Resolution On‐Chip Digitally Tunable Spectrometer Based on Double‐Cascaded Ring Resonators
Year: 2025
Type: article
Abstract: Fast and accurate detection and analysis of light spectrum emerge as an important tool in several scientific fields and applications, hence demanding the design of precise, reliable, and fast instruments. In this article, an integrated spectrometer is presented based on two cascaded ring resonators covered with a phase change material. The Vernier architecture is implemented by these segments of phase change materials, allowing for a digital scan of wavelengths. Resolution smaller than 0.1 nm can be achieved, together with a footprint of ≈0.03 mm2 and a bandwidth of the order of tens of nanometers.
Source: Advanced Photonics Research
Authors: Carla Maria Coppola, Martino De Carlo, Francesco De Leonardis, Vittorio M. N. Passaro
Institution: Polytechnic University of Bari
Language: English
Topic: Photonic and Optical Devices
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $3,070
OpenAlex ID: W4412505772