Plasmonic semiconductors: materials, tunability and applications

Y Guo, Z Xu, AG Curto, YJ Zeng… - Progress in Materials …, 2023 - Elsevier
Semiconductor plasmonics has become a frontier for light manipulation beyond the
diffraction limit, offering a broader spectral range and higher flexibility of plasmon …

Mid-infrared gas sensing based on electromagnetically induced transparency in coupled plasmonic resonators

S Shafaay, S Mohamed, M Swillam - Sensors, 2023 - mdpi.com
The existence of surface plasmon polaritons in doped silicon micro-scale structures has
opened up new and innovative possibilities for applications, such as sensing, imaging, and …

Plasmon-enhanced performance of an ultrathin silicon solar cell using metal-semiconductor core-shell hemispherical nanoparticles and metallic back grating

H Heidarzadeh, A Rostami, M Dolatyari, G Rostami - Applied optics, 2016 - opg.optica.org
This paper presents a concept to significantly improve the photocurrent of ultrathin
crystalline silicon solar cells using plasmonic hemispherical dielectric-metal (core-shell) …

Silicon waveguides at the mid-infrared

R Gamal, Y Ismail, MA Swillam - Journal of Lightwave Technology, 2015 - opg.optica.org
In this paper, we propose a detailed study of various novel waveguides made using doped
silicon at the mid-infrared (MIR) range. These waveguides support a plasmonic-like mode …

Dipole plasmon resonance induced large third-order optical nonlinearity of Au triangular nanoprism in infrared region

Z Chen, H Dai, J Liu, H Xu, Z Li, ZK Zhou, JB Han - Optics express, 2013 - opg.optica.org
Au triangular nanoprisms with strong dipole plasmon absorption peak at 1240 nm were
prepared by wet chemical methods. Both numerical calculations and experiments were …

Silicon plasmonics at midinfrared using silicon-insulator-silicon platform

R Gamal, S Shafaay, Y Ismail… - Journal of …, 2017 - spiedigitallibrary.org
We propose devices based on doped silicon. Doped silicon is designed to act as a
plasmonic medium in the midinfrared (MIR) range. The surface plasmon frequency of the …

Study of surface plasmon induced hot electron relaxation process and third-order optical nonlinearity in gold nanostructures

HW Dai, Y Yu, X Wang, ZW Ma, C Chen… - The Journal of …, 2015 - ACS Publications
The relaxation dynamics of hot electrons and the third-order optical nonlinearity in gold
nanorods (GNRs) with different aspect ratios were investigated with the help of femtosecond …

Plasmonics gas sensor bases on electromagnetic induced transparency (EIT) In MIR

S Shafaay, SM Sherif… - Physics and Simulation of …, 2023 - spiedigitallibrary.org
A novel optical gas sensor based on electromagnetically induced transparency (EMT) is
proposed. In this paper we propose plasmonic non concentric ring resonators resonate near …

Electromagnetically induced transparency-based optical gas sensor using plasmonic corrugated ring resonators

S Shafaay, MA Swillam - Physics and Simulation of …, 2024 - spiedigitallibrary.org
The proposed optical gas sensor is based on the principle of electromagnetically induced
transparency (EMT), which is a quantum interference phenomenon that occurs when two …

Plasmonic waveguides in mid-infrared using silicon-insulator-silicon

R Gamal, S Shafaay, Y Ismail… - Physics and Simulation …, 2015 - spiedigitallibrary.org
The mid-infrared (MIR) region is one of the most thriving spectral regions as it contains the
vibrational resonances of several molecules of interest, as well as the absorption bands for …