Abstract

We introduce a CMOS-compatible waveguide interferometry for single nanoparticle detection using optical dark-field scattering and heterodyne technique. The integrated sensor is capable of detecting single 40-nm-radius nanoparticles with a signal-to-noise ratio of 13 dB.

© 2020 The Author(s)

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More Like This
Common Path Heterodyne Interferometer for Single Nanoparticle Detection in Fluids

Sarah Kurmulis and Lukas Novotny
FTu2F.5 Frontiers in Optics (FiO) 2016

Nanofence Assisted Microring Resonator for Single Nanoparticle Detection with Size Selectivity

Saawan Kumar Bag, Sauradeep Kar, Rajat K Sinha, Suvanshi Sharma, and Shailendra K Varshney
JTh2F.23 CLEO: Applications and Technology (CLEO_AT) 2020

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Rikesh Patel, Matt Clark, and Samuel Achamfuo-Yeboah
JWA14 Adaptive Optics: Methods, Analysis and Applications (AOPT) 2011