Author:
Torres-Cubillo Antonia,Sánchez-Postigo Alejandro,Wangüemert-Pérez J. Gonzalo,Molina-Fernández Íñigo,Halir Robert
Abstract
Photonic integrated sensors traditionally detect changes either in optical amplitude or phase. Here we experimentally demonstrate a sensing architecture which measures both amplitude and phase, enabling simultaneous detection of changes in absorption and refractive index.