Towards Simultaneous Absorption and Refractive Index Sensing using Integrated Photonics

Antonia Torres-Cubillo; Alejandro Sánchez-Postigo; Alejandro Sánchez-Postigo; J. Gonzalo Wangüemert-Pérez; J. Gonzalo Wangüemert-Pérez; Íñigo Molina-Fernández; Íñigo Molina-Fernández; Robert Halir; Robert Halir

doi:10.1364/ES.2023.EW3E.2

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper EW3E.2
•https://doi.org/10.1364/ES.2023.EW3E.2

Towards Simultaneous Absorption and Refractive Index Sensing using Integrated Photonics

Antonia Torres-Cubillo, Alejandro Sánchez-Postigo, J. Gonzalo Wangüemert-Pérez, Íñigo Molina-Fernández, and Robert Halir

Optics and Photonics for Sensing the Environment 2023

Munich Germany
30 July–3 August 2023
ISBN: 978-1-957171-24-1

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Miniaturization and Integration (EW3E)

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A. Torres-Cubillo, A. Sánchez-Postigo, J. G. Wangüemert-Pérez, Í. Molina-Fernández, and R. Halir, "Towards Simultaneous Absorption and Refractive Index Sensing using Integrated Photonics," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper EW3E.2.

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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.

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