Serrodyne‐Enabled Dual Electro‐Optic Comb Interferometry for High‐Precision Absolute Ranging and Integration‐Ready Metrology (Adv. Sci. 37/2025)

An Integration-Ready System for Nanometric Optical Ranging From the intricate contours of rotating turbine blades to the real-time environmental mapping enabled by automotive LiDAR, a dual electro-optic comb system with serrodyne modulation unlocks precision ranging at scale. The chip-ready architecture marks a step forward toward compact, high-resolution optical sensing for the next generation of integrated metrology. More details can be found in article number 2507459 by Xiaoyang Guo, Chenggang Shao, Hanzhong Wu, and co-workers.