Targeted Sub-Attomole Cancer Biomarker Detection Based on Phase Singularity 2D Nanomaterial-Enhanced Plasmonic Biosensor [PDF]
Nano-Micro Letters, 2021 Highlights A zero-reflection-induced phase singularity is achieved through precisely controlling the resonance characteristics using two-dimensional nanomaterials. An atomically thin nano-layer having a high absorption coefficient is exploited to enhance
Yuye Wang +13 more
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M/M/Infinity Birth-Death Processes – A Quantitative Representational Framework to Summarize and Explain Phase Singularity and Wavelet Dynamics in Atrial Fibrillation [PDF]
Frontiers in Physiology, 2021 RationaleA quantitative framework to summarize and explain the quasi-stationary population dynamics of unstable phase singularities (PS) and wavelets in human atrial fibrillation (AF) is at present lacking.
Dhani Dharmaprani +18 more
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Standardizing Single-Frame Phase Singularity Identification Algorithms and Parameters in Phase Mapping During Human Atrial Fibrillation [PDF]
Frontiers in Physiology, 2020 PurposeRecent investigations failed to reproduce the positive rotor-guided ablation outcomes shown by initial studies for treating persistent atrial fibrillation (persAF).
Xin Li +13 more
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The influence of shot noise on the performance of phase singularity-based refractometric sensors [PDF]
NanophotonicsTopological singularities of optical response functions – such as reflection amplitudes – enable elegant practical applications ranging from analog signal processing to novel molecular sensing approaches.
Maslova Valeria +5 more
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Dielectric metasurfaces based on a phase singularity in the region of high reflectance [PDF]
NanophotonicsMetasurfaces, two-dimensional planar optical devices based on subwavelength-scale structures, have garnered significant attention for their potential to replace conventional optical components in various fields. These devices can manipulate the amplitude,
Jang Jaewon +5 more
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Singularity transformation through single-pass phase modulation of light [PDF]
Scientific ReportsThe emergence of optical vortex phenomena has generated significant interest in optical technologies. By manipulating light parameters such as amplitude, phase, and polarization, new advances have been made in structured light techniques, which enable ...
Laxminarayan +3 more
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Localization of nanoscale objects with light singularities [PDF]
NanophotonicsUnprecedented atomic-scale measurement resolution has recently been demonstrated in single-shot optical localization measurements based on deep-learning analyses of diffraction patterns of topologically structured light scattered from objects.
Grant Thomas A. +4 more
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Infinitesimal optical singularity ruler for three-dimensional picometric metrology [PDF]
Nature CommunicationsOptical metrology with picometer-scale precision in three-dimensional space is of considerable importance in modern physics and state of the art technology, optical interference is an effective method, but techniques with rapid spatial variation have the
Haixiang Ma +6 more
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Topological Charge of Multi-Color Optical Vortices
Photonics, 2022 The topological charge of an optical vortex is a quantity rather stable against phase distortions, for example, turbulence. This makes the topological charge attractive for optical communications, but for many structured beams it is unknown.
Victor Victorovich Kotlyar +3 more
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Reusable Biosensor Based on Differential Phase Detection at the Point of Darkness
Advanced Photonics Research, 2021 A differential phase sensor based on a narrowband perfect absorber uses the phase singularity at the point of darkness (100% absorption). Herein, a structure with a top SiO2 layer is proposed that is index matched with a glass flow cell that shows the ...
Shilpa Samdani +4 more
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