Metal-free, graphene oxide-based tunable soliton and plasmon engineering for biosensing applications

S Bhaskar, NS Visweswar Kambhampati… - … Applied Materials & …, 2021 - ACS Publications
The quest for auxiliary plasmonic materials with lossless properties began in the past
decade. In the current study, a unique plasmonic response is demonstrated from a stratified …

Mobile Phone-Based Picomolar Detection of Tannic Acid on Nd2O3 Nanorod–Metal Thin-Film Interfaces

S Bhaskar, SS Ramamurthy - ACS Applied Nano Materials, 2019 - ACS Publications
Surface plasmon-coupled emission (SPCE) has emerged as a potential sensing platform
owing to its> 50% fluorescence signal collection efficiency. Further advancements toward …

Bloch surface waves and internal optical modes-driven photonic crystal-coupled emission platform for femtomolar detection of aluminum ions

S Bhaskar, P Das, V Srinivasan… - The Journal of …, 2020 - ACS Publications
The intrinsically lossy nature of plasmonic-based detection platforms necessitates the use of
alternative nanophotonic platforms such as one-dimensional photonic crystals (1DPhCs) to …

[HTML][HTML] Graphene surface plasmon sensor for ultra-low-level SARS-CoV-2 detection

MM Hossain, MA Talukder - Plos one, 2023 - journals.plos.org
Precisely detecting the ultra-low-level severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) is crucial. The detection mechanism must be sensitive, low-cost, portable …

Deep ultraviolet spontaneous emission enhanced by layer dependent black phosphorus plasmonics

B Sikder, SH Nayem, SZ Uddin - Optics Express, 2022 - opg.optica.org
Although graphene has been the primary material of interest recently for spontaneous
emission engineering through the Purcell effect, it features isotropic and thickness …

[HTML][HTML] LSP-SPP coupling structure based on three-dimensional patterned Sapphire substrate for surface enhanced Raman scattering sensing

S Xie, H Si, C Liu, W Liu, M Shafi, S Jiang, W Yue - Nanomaterials, 2023 - mdpi.com
Although the fabrication of controllable three-dimensional (3D) microstructures on substrates
has been proposed as an effective solution for SERS, there remains a gap in the detection …

Refractive index sensing based on surface plasmon-coupled emission excited by reverse Kretschmann or Tamm structure

Z Shen, H Yu, L Zhang, Y Chen - Optics Letters, 2022 - opg.optica.org
Surface plasmon coupled emission (SPCE) is the directional emission of surface plasmon
polaritons (SPPs) through the reverse channels of focused surface plasmon excitation to the …

Surface Plasmon-Coupled Directional Emission Enhanced Raman Scattering Based on Waveguide Coupling Surface Plasmon Resonance Configuration

Y Liu, J Liang, S Xu, Y Geng - The Journal of Physical Chemistry …, 2024 - ACS Publications
In this paper, we introduce a method called waveguide coupling surface plasmon-coupled
directional emission Raman (WCSPCR), which utilizes a bimetallic waveguide-coupled …

Single-molecule surface plasmon-coupled emission with plasmonic gratings

A Wood, CJ Mathai, K Gangopadhyay, S Grant… - ACS …, 2017 - ACS Publications
The ability to image single molecules (SM) has been the dream of scientists for centuries,
and because of the substantial recent advances in microscopy, individual fluorescent …

Theoretical investigation of confocal microscopy using an elliptically polarized cylindrical vector laser beam: Visualization of quantum emitters near interfaces

S Boichenko - Physical Review A, 2018 - APS
We theoretically study laser-scanning confocal fluorescence microscopy using elliptically
polarized cylindrical vector excitation light as a tool for visualization of arbitrarily oriented …