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Open AccessJournal ArticleDOI

Enhancement of blue light emission using surface plasmons coupling with quantum wells

TLDR
In this paper, the FDTD method is used to simulate the enhanced blue light emission of gallium nitride light emitting diode (GaN-LED) using the surfaceplasmons (SPs) cou- pling with the quantum wells.
Abstract
dimension flnite-difierence time-domain (FDTD) method is used to simulate the enhanced blue light emission of gallium nitride light emitting diode (GaN-LED) using the surface-plasmons (SPs) cou- pling with the quantum wells. The numerical simulation results demon- strate that when the silver fllm is coated on GaN-LED, the excited SPs play a key role in the enhanced blue light emission, and the en- hancement depends on the geometries of GaN-LED and silver fllm. An enhancement factor is given to describe the enhancement efiect of light emission. By changing the structure parameters of GaN-LED and sil- ver fllm, the enhanced peak of the light emission in the visible region can be controlled. Under the optimal parameters, about 17 times en- hancement at 460nm can be obtained, and the enhancement efiect is evidently demonstrated by the SPs fleld distribution.

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Journal ArticleDOI

Subwavelength Guiding of Terahertz Radiation by Shallowly Corrugated Metal Surfaces

TL;DR: In this article, surface plasmon polaritons (SPPs) on metal surfaces corrugated periodically with shallow grooves are theoretically investigated in terahertz (THz) frequency range.
Journal ArticleDOI

A Resonance Tunable and Durable Lspr Nano-Particle Sensor: Al 2 O 3 Capped Silver Nano-Disks

TL;DR: In this article, the authors proposed an alumina (AL2O3) capped silver nano-disks to attain both durability and tunabilty in a localized surface plasmon resonance (LSPR) biosensor.
Journal ArticleDOI

A Grating-Based Plasmon Biosensor with High Resolution

TL;DR: A grating-based plasmon biosensor utilizing phase detection to realize high resolution in flnding a refractive index of a material put on the surface of a metal grating was presented in this article.
Journal ArticleDOI

Analysis of electron confinement in GaN/AlxGa1−xN quantum wire nanostructure

TL;DR: In this paper, the Schrodinger equation in two dimensions has been solved to realize the electron confinement and spread of wave function in quantum wire nanostructure using transfer matrix method (TMM), eigen energy has been evaluated for different wire widths and aluminum mole fraction.
Journal ArticleDOI

Superresolution Enhancement for the Superlens with Anti-Reflection and Phase Control Coatings via Surface Plasmons Modes of Asymmetric Structure

TL;DR: In this paper, the authors analyzed the surface plasmons (SPs) modes of the ARPC-superlens with anti-reflection and phase control coatings.
References
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Journal ArticleDOI

Optical Constants of the Noble Metals

TL;DR: In this paper, the optical constants for the noble metals (copper, silver, and gold) from reflection and transmission measurements on vacuum-evaporated thin films at room temperature, in the spectral range 0.5-6.5 eV.
Journal ArticleDOI

Numerical solution of initial boundary value problems involving maxwell's equations in isotropic media

Abstract: Maxwell's equations are replaced by a set of finite difference equations. It is shown that if one chooses the field points appropriately, the set of finite difference equations is applicable for a boundary condition involving perfectly conducting surfaces. An example is given of the scattering of an electromagnetic pulse by a perfectly conducting cylinder.
Journal ArticleDOI

Nano-optics of surface plasmon polaritons

TL;DR: A surface plasmon polariton (SPP) is an electromagnetic excitation existing on the surface of a good metal, whose electromagnetic field decays exponentially with distance from the surface.
Journal ArticleDOI

Surface-Plasmon-Enhanced Light Emitters Based on InGaN Quantum Wells

TL;DR: The results indicate that the use of SPs would lead to a new class of very bright LEDs, and highly efficient solid-state light sources.
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