In this work we propose a method for on-chip detection of the complex refractive index of the
sensing medium at multiple wavelengths for selective sensing. For the optical sensor to be …

Plasmonic waveguide biosensors are being studied for their potential benefits in a wide
range of applications. Proponents of plasmonic biosensors often claim that they offer a more …

We theoretically design and analyze a novel, real-time and label-free highly sensitive
biosensor made of a plasmonic nanofiber waveguide. We employ metal, metamaterial and …

Hydrogen sulfide (H 2 S) gas has a severe effect on the respiratory system of the human
body and ambient environment, necessitating development of on-line H 2 S gas sensors …

Optical logic device is an essential part of the all-optical signal processing system. A multi-
functional logic device is proposed in this paper, it consists of plasmonic Mach–Zehnder …

We demonstrate a novel, label-free and real-time tunable infrared biosensor by employing
surface-plasmon polaritons in asymmetric Mach–Zehnder interferometer. The waveguides …

The slot structure has great advantages in improving the sensitivity of integrated waveguide
optical sensors and reducing the detection limit. We propose a polymer Mach–Zehnder …

Parametric optimization of gold (Au) square-shaped nanopillars (AuNPLs) arrays deposited
on glass substrate (AuNPLs/glass) was performed through optical characteristics for high …

Online monitoring of the polishing process of a D-shaped optical fiber sensor is performed in
this paper by means of a chaotic correlation fiber loop ring down (CCFLRD) system. The ring …

We present a nanoscale refractive index plasmonic sensor based on Fano resonance. We
simulate and numerically analyze a novel double T-shaped resonator structure made of …