Ultra-broadband spectrometer on a chip of picometer scale resolution

Karabchevsky, Alina (2023) Ultra-broadband spectrometer on a chip of picometer scale resolution. Light: Science & Applications, 12 (1): 235. p. 235.

Abstract

A reconfigurable photonic integrated circuit was developed to operate as an ultra-broadband spectrometer on SiN chip resolving spectral lines with picometer precision and thermal stability of ±2 °C.