scholarly journals Three-Method Hybrid Numerical Simulation for Surface-Plasmon-Enhanced GaInN-Based Light-Emitting Diodes with Metal-Embedded Nanostructures

2021 ◽  
Vol 9 ◽  
Author(s):  
Ryoya Hiramatsu ◽  
Ryo Takahashi ◽  
Ryoto Fujiki ◽  
Keisuke Hozo ◽  
Kanato Sawai ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Light Emitting Diodes ◽  
Simulation Tool ◽  
Wave Analysis ◽  
Light Emitting ◽  
Rigorous Coupled Wave Analysis ◽  
Physical Background ◽  
Simulation Results ◽  
Rigorous Coupled Wave ◽  
Difference Time

In this paper, a hybrid numerical simulation tool is introduced and performed for GaInN-based light-emitting diodes (LEDs) with metal-embedded nanostructure to theoretically predict external quantum efficiency (EQE), which composed of finite-difference time-domain, rigorous coupled wave analysis, and ray tracing. The advantage is that the proposed method provides results supported by sufficient physical background within a reasonable calculation time. From the simulation results, the EQE of LED with Ag-nanoparticles embedded nanostructure is expected to be enhanced by as high as ∼1.6 times the conventional LED device in theory.

Study of Top Triangular Nano-Grating on Solar Cell Using Rigorous Coupled Wave Analysis

2012 ◽  
Vol 571 ◽  
pp. 427-432 ◽  
Author(s):  
Xiao Min Jin ◽  
Douglas Alan Cattarusa ◽  
Michael James Marshall
Keyword(s):  
Solar Cell ◽  
Wave Analysis ◽  
Total Transmission ◽  
Rigorous Coupled Wave Analysis ◽  
Simulation Results ◽  
Rigorous Coupled Wave ◽  
Coupled Wave

This paper presents the simulation results of top nano-grating on solar cell using rigorous coupled wave analysis (RCWA) method. However, compared to other simulation results, we calculated weighted total transmission of solar cell according to Sun spectrum and Silicon photo detector responsivity. Our optimization shows that the top grating with period 200nm, width 40nm, and height 150nm is the optimization structure. This case has 0.45544 total weighted transmission powers and is about 70.9% improvement compared to the non-grating case.

Photonic Crystal Selective Structures for Solar Thermophotovoltaics

MRS Advances ◽  
2015 ◽  
Vol 1 (59) ◽  
pp. 3883-3889 ◽  
Author(s):  
Zhiguang Zhou ◽  
Enas Sakr ◽  
Omar Yehia ◽  
Anubha Mathur ◽  
Peter Bermel
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystals ◽  
Fused Silica ◽  
Wave Analysis ◽  
High Concentration ◽  
Selective Emitter ◽  
Rigorous Coupled Wave Analysis ◽  
Rigorous Coupled Wave ◽  
Difference Time ◽  
Lattice Matched

ABSTRACTSolar thermophotovoltaic (STPV) systems convert sunlight into electricity via thermal radiation. The efficiency of this process depends critically on both the selective absorber and the selective emitter, which are controlled by both the materials and the photonic design. For high concentration solar TPV applications, 2D photonic crystals (PhCs) made of refractory metals such as tungsten have demonstrated promising results. For even higher performance, we propose two photonic crystal-based designs to both collect solar heat and reradiate above-gap photons. First, a PhC selective structure (IPSS), which combines 2D photonic crystals and filters into a single device. Second, an Er-Yb-Tm co-doped fused silica coated with a 17-bilayer structure also offers significant selectivity with greater ease of fabrication. Finite difference time domain (FDTD) and rigorous coupled wave analysis (RCWA) simulations show that both can significantly suppress sub-bandgap photons. This increases sunlight-to-electricity conversion for photonic crystal-based emitters above 24.3% at 100 suns concentration or 27% at 1000 suns concentration using a Ga0.42In0.58As PV diode with a bandgap of 0.7 eV (nearly lattice-matched to InP).

scholarly journals Исследование поглощения СВЧ излучения в сверхтонких проводящих пленках

2020 ◽  
Vol 90 (8) ◽  
pp. 1348
Author(s):  
В.В. Старостенко ◽  
В.Б. Орленсон ◽  
А.С. Мазинов ◽  
И.Ш. Фитаев
Keyword(s):  
Numerical Simulation ◽  
Electromagnetic Waves ◽  
Microwave Range ◽  
Wave Analysis ◽  
Conductive Films ◽  
Change Dynamics ◽  
Rigorous Coupled Wave Analysis ◽  
Electromagnetic Characteristics ◽  
Rigorous Coupled Wave ◽  
Nanometer Thickness

An interaction numerical simulation of the microwave range electromagnetic waves with nanometer thickness conductive films, which are approximated by homogeneous region and micro- or nanoparticle’s structures, is carried out. Using the rigorous coupled wave analysis, the optical coefficients change dynamics is studied from values characterize dielectric to values for uniform conductive films, and the influence of conductive islands size and distribution on the electromagnetic characteristics is analyzed.

Rigorous Coupled Wave Analysis of Surface Plasmon Resonance Sensor Based on Metallic Grating

2011 ◽  
Vol 211-212 ◽  
pp. 465-468
Author(s):  
De Wei Chen
Keyword(s):  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Diffraction Order ◽  
Wave Analysis ◽  
Metallic Grating ◽  
Rigorous Coupled Wave Analysis ◽  
Resonance Sensor ◽  
Rigorous Coupled Wave ◽  
Coupled Wave

Since the development almost a decade ago of the first biosensor based on surface plasmon resonance (SPR), the use of this technique has increased steadily. In this study, we theoretically investigated the sensing character of SPR sensor with reflection type metallic with Rigorous Coupled Wave Analysis (RCWA) method, and the mechanism is analyzed by the field distribution. It is found that the sensitivity of negative diffraction order, which goes higher quickly as the resonant angle increases, is much greater than that of positive diffraction order.

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