Advances and applications of nanophotonic biosensors

H Altug, SH Oh, SA Maier, J Homola - Nature nanotechnology, 2022 - nature.com
Nanophotonic devices, which control light in subwavelength volumes and enhance light–
matter interactions, have opened up exciting prospects for biosensing. Numerous …

Surface-enhanced infrared absorption spectroscopy

J Kozuch, K Ataka, J Heberle - Nature Reviews Methods Primers, 2023 - nature.com
When molecules are placed at the interface to metals or metal oxides, an increase in their
infrared (IR) spectral intensities is observed, a phenomenon termed surface-enhanced …

A review on recent advances in the applications of surface-enhanced Raman scattering in analytical chemistry

M Fan, GFS Andrade, AG Brolo - Analytica chimica acta, 2020 - Elsevier
This review is focused on recent developments of surface-enhanced Raman scattering
(SERS) applications in Analytical Chemistry. The work covers advances in the fabrication …

Advances of surface-enhanced Raman and IR spectroscopies: from nano/microstructures to macro-optical design

HL Wang, EM You, R Panneerselvam… - Light: Science & …, 2021 - nature.com
Raman and infrared (IR) spectroscopy are powerful analytical techniques, but have
intrinsically low detection sensitivity. There have been three major steps (i) to advance the …

Imaging-based molecular barcoding with pixelated dielectric metasurfaces

A Tittl, A Leitis, M Liu, F Yesilkoy, DY Choi, DN Neshev… - Science, 2018 - science.org
Metasurfaces provide opportunities for wavefront control, flat optics, and subwavelength light
focusing. We developed an imaging-based nanophotonic method for detecting mid-infrared …

Wavelength-multiplexed hook nanoantennas for machine learning enabled mid-infrared spectroscopy

Z Ren, Z Zhang, J Wei, B Dong, C Lee - Nature Communications, 2022 - nature.com
Infrared (IR) plasmonic nanoantennas (PNAs) are powerful tools to identify molecules by the
IR fingerprint absorption from plasmon-molecules interaction. However, the sensitivity and …

Present and future of surface-enhanced Raman scattering

J Langer, D Jimenez de Aberasturi, J Aizpurua… - ACS …, 2019 - ACS Publications
The discovery of the enhancement of Raman scattering by molecules adsorbed on
nanostructured metal surfaces is a landmark in the history of spectroscopic and analytical …

Dielectric metasurfaces enabling advanced optical biosensors

ML Tseng, Y Jahani, A Leitis, H Altug - ACS photonics, 2020 - ACS Publications
Dielectric metasurfaces have emerged as a powerful platform for novel optical biosensors.
Due to their low optical loss and strong light–matter interaction, they demonstrate several …

Sub-10 nm fabrication: methods and applications

Y Chen, Z Shu, S Zhang, P Zeng, H Liang… - … Journal of Extreme …, 2021 - iopscience.iop.org
Reliable fabrication of micro/nanostructures with sub-10 nm features is of great significance
for advancing nanoscience and nanotechnology. While the capability of current …

Angle-multiplexed all-dielectric metasurfaces for broadband molecular fingerprint retrieval

A Leitis, A Tittl, M Liu, BH Lee, MB Gu, YS Kivshar… - Science …, 2019 - science.org
Infrared spectroscopy resolves the structure of molecules by detecting their characteristic
vibrational fingerprints. Subwavelength light confinement and nanophotonic enhancement …