Label-free optical biosensing holds great promise for a variety of applications in biomedical
diagnostics, environmental and food safety, and security. It is already used as a key tool in …

The field of plasmonics explores the interaction between light and metallic
micro/nanostructures and films. The collective oscillation of free electrons on metallic …

One of the fastest-expanding study areas in optics over the past decade has been
metasurfaces (MSs). These subwavelength meta-atom-based ultrathin arrays have been …

Both increasing demand for ultrasensitive detection in the scientific community and
significant new breakthroughs in materials science field have inspired and promoted the …

The spectacular physical phenomenon of surface plasmon resonance (SPR) is the essence
of present‐day plasmonic sensors. Meanwhile, the unique properties of the interaction …

Angular scanning-based surface plasmon resonance measurement has been utilized in
label-free sensing applications. However, the measurement accuracy and precision of the …

This study theoretically demonstrated an insight for designing a novel tunable plasmonic
biosensor, which was created by simply stacking a twisted bilayer graphene (TBG) …

The detection for small molecules with low concentrations is known to be challenging for
current chemical and biological sensors. In this work, we designed a highly sensitive …

In the present work, the sensing performance analysis of a surface plasmon resonance
(SPR) sensor for biological and chemical applications is reported. The structure studied …

In this paper, we demonstrated the ability of a plasmonic metasensor to detect ultra-low
refractive index changes (in the order of∆ n= 10− 10 RIU), using an innovative phase …