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Extremely confined gap plasmon modes: when nonlocality matters
Sergejs Boroviks, Zhan-Hong Lin, Vladimir A. Zenin +7
Historically, the field of plasmonics has been relying on the framework of classical electrodynamics, with the local-response approximation of material response being applied even…
Spectrometer-free optical hydrogen sensing based on Fano-like spatial distribution of transmission in a metal-insulator-metal plasmonic Doppler grating
Yi-Ju Chen, Fan-Cheng Lin, Ankit Kumar Singh +2
Optical nanosensors are promising for hydrogen sensing because they are small, free from spark generation, and feasible for remote optical readout. Conventional optical nanosensors…
Signal and Noise Analysis for Chiral Structured Illumination Microscopy
Shiang-Yu Huang, Ankit Kumar Singh, Jer-Shing Huang
Recently, chiral structured illumination microscopy has been proposed to image fluorescent chiral domains at sub-wavelength resolution. Chiral structured illumination microscopy is…
Simultaneous Imaging Achiral and Chiral Domains beyond Diffraction Limit by Structured-illumination Microscopy
Jiwei Zhang, Shiang-Yu Huang, Ankit Kumar Singh +1
Modern optical microscopy methods have been advanced to provide super resolution at high imaging speed, but not chirality discriminative. We recently proposed chiral structured-ill…
Plasmonic elliptical nanoholes for chiroptical analysis and enantioselective optical trapping
Zhan-Hong Lin, Jiwei Zhang, Jer-Shing Huang
A simple yet effective achiral platform using elliptical nanoholes for chiroptical analysis is demonstrated. Under linearly polarized excitation, an elliptical nanohole in a thin g…
Spatially Resolving the Enhancement Effect in Surface-Enhanced Coherent Anti-Stokes Raman Scattering by Plasmonic Doppler Gratings
Lei Ouyang, Tobias Meyer, Kel-Meng See +10
In this work, we introduce the platform of plasmonic Doppler grating (PDG) to experimentally investigate the enhancement effect of plasmonic gratings in the input and output beams…