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Numerical Simulation of Optoelectronic Devices, 2014最新文献

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A novel plasmonic nanosensor based on electro-magnetically induced transparency of waveguide resonator systems 基于波导谐振系统电磁诱导透明的新型等离子体纳米传感器
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935347
B. Ni, X. Chen, D. Xiong, H. Liu, G. Hua, J. Chang, J. Zhang, H. Zhou
{"title":"A novel plasmonic nanosensor based on electro-magnetically induced transparency of waveguide resonator systems","authors":"B. Ni, X. Chen, D. Xiong, H. Liu, G. Hua, J. Chang, J. Zhang, H. Zhou","doi":"10.1109/NUSOD.2014.6935347","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935347","url":null,"abstract":"We propose a plasmonic refractive index-sensitive nanosensor based on the electromagnetically induced transparency (EIT) of waveguide resonator systems. The structure consists of one tooth-shaped cavity as well as the bus and stub metal-insulator-metal waveguides. By adjusting the structural geometry, it is demonstrated that the controllable transmission of EIT response can be obtained with the finite-difference-time-domain simulations. It is found that the transmission spectra dip can be strongly controlled by changing the refractive index filled in the stub waveguide. The calculated results show that the sensitivity of the plasmonic nanosensor is 733 nm/RIU.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116670060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Numerical analysis of planar light-emitting diode with designed p-electrode 设计p电极的平面发光二极管的数值分析
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935337
I. Khmyrova, Norikazu Watanabe, A. Kovalchuk, J. Kholopova, S. Shapoval
{"title":"Numerical analysis of planar light-emitting diode with designed p-electrode","authors":"I. Khmyrova, Norikazu Watanabe, A. Kovalchuk, J. Kholopova, S. Shapoval","doi":"10.1109/NUSOD.2014.6935337","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935337","url":null,"abstract":"Light-emitting diode (LED) with designed metal electrode to the top p-semiconductor layer is studied. Original numerical model and procedure are developed for the LED with nonuniform distributions of electrical and optical characteristics caused by the mesh-like configuration of the top electrode. The proposed approach can be used to optimize the LED ouput optical performance by proper choice of the geometrical parameters of the meshed electrode.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125157051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Design of integrated refractive index sensor based on bend waveguide with a trench structure 基于弯曲波导沟槽结构的集成折射率传感器设计
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935361
J. Ryu, HoeSung Yang, Chan-mo Kang, L. Do, K. Lee, Namkyoung Um, And Kyu-Ha Baek
{"title":"Design of integrated refractive index sensor based on bend waveguide with a trench structure","authors":"J. Ryu, HoeSung Yang, Chan-mo Kang, L. Do, K. Lee, Namkyoung Um, And Kyu-Ha Baek","doi":"10.1109/NUSOD.2014.6935361","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935361","url":null,"abstract":"This study proposes a novel optical sensor structure based on a refractometer integrating a bend waveguide and an air trench. The optical sensor consists of a U-bend waveguide connecting four C-bends and a trench structure to expose the partial core layer. The U-bend waveguide consists of one C-bend with the maximum optical loss and three C-bend with minimum losses. A trench provides a quantitative measurement environment, and is aligned with the sidewall of a C-bend having the maximum loss. The intensity of the output power is dependent on the change of refractive index of the measured material.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125537121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation of semi-transparent organic tandem solar cells for solar shading 用于遮阳的半透明有机串联太阳能电池的模拟
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935408
Jan Mescher, S. Kettlitz, N. Christ, M. Klein, A. Putz, A. Mertens, A. Colsmann, U. Lemmer
{"title":"Simulation of semi-transparent organic tandem solar cells for solar shading","authors":"Jan Mescher, S. Kettlitz, N. Christ, M. Klein, A. Putz, A. Mertens, A. Colsmann, U. Lemmer","doi":"10.1109/NUSOD.2014.6935408","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935408","url":null,"abstract":"We present design considerations for semi-transparent organic tandem solar cells that exhibit both good visible transparency and good power conversion efficiencies. The tandem solar cells show excellent color properties, such as the corresponding transparency color temperature and the color rendering index (CRI), that prevail for high angles of incidence of the incoming sunlight. Up to an angle of light incidence of 70°, the devices exhibit a convenient CCT which implies a neutral white and a CRI which is above 96.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122454041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Many-body effects in CdSe/CdTe colloidal quantum dots CdSe/CdTe胶体量子点中的多体效应
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935326
J. Miloszewski, S. Tomić
{"title":"Many-body effects in CdSe/CdTe colloidal quantum dots","authors":"J. Miloszewski, S. Tomić","doi":"10.1109/NUSOD.2014.6935326","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935326","url":null,"abstract":"We present a theoretical method for calculations of exciton and bi-exciton energies in type-II colloidal quantum dots. Our methodology is based on an 8-band k · p Hamiltonian of the zinc-blend structure, which incorporates the effects of spin-orbit interaction, strain between the core and the shell and piezoelectric potentials. Exciton states are found using the configuration interaction (CI) method that explicitly includes the effects of Coulomb interaction, as well as exchange and correlation between many-electron configurations. We pay particular attention to accurate modelling of the electrostatic interaction between quasiparticles. The model includes surface polarization and self-polarization effects due to the large difference in dielectric constants at the boundary of the QD.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"421 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124211000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the optical properties of a micro pillar array solar cell for different configurations 不同结构下微柱阵太阳能电池光学特性的研究
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935359
F. Cabrera-España, B. Rahman, A. Agrawal
{"title":"Study of the optical properties of a micro pillar array solar cell for different configurations","authors":"F. Cabrera-España, B. Rahman, A. Agrawal","doi":"10.1109/NUSOD.2014.6935359","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935359","url":null,"abstract":"In this paper, we report the optical properties of a Silicon (Si) solar cell when varying the configuration (hexagonal and square) of a micro pillar array on the cell surface using the FDTD technique. It was found that the hexagonal configuration gives better performance.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121466686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Quantum waveguides discontinuities analysis 量子波导不连续分析
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935395
Afaf M. A. Saeed, S. Obayya
{"title":"Quantum waveguides discontinuities analysis","authors":"Afaf M. A. Saeed, S. Obayya","doi":"10.1109/NUSOD.2014.6935395","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935395","url":null,"abstract":"A finite-element bidirectional beam propagation method based on Blocked Schur (BS-FE-BiBPM) is presented for the solution of quantum waveguides discontinuities. By using BSFE-BiBPM, scattering properties of electron waveguide discontinuities could be accurately calculated based on the 1-D time-independent Schrödinger equation avoiding the use of modal solution stage without affecting the accuracy of the results. As will be shown through the analysis of a quantum resonant cavity, a quantum directional coupler, and a quantum waveguide transistor, the suggested BS-FE-BiBPM is very accurate, versatile, efficient, fast and stable.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128006693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ground and excited-state performance of an quantum-dot semiconductor amplifier 量子点半导体放大器的基态和激发态性能
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935386
B. Lingnau, E. Scholl, K. Ludge
{"title":"Ground and excited-state performance of an quantum-dot semiconductor amplifier","authors":"B. Lingnau, E. Scholl, K. Ludge","doi":"10.1109/NUSOD.2014.6935386","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935386","url":null,"abstract":"Using an optimized delay-differential-equation model, we efficiently simulate the signal propagation through a quantum-dot semiconductor amplifier. We analyze the device performance by means of the signal quality factor when amplifying signals on either the ground or excited state transition, in dependence of pump current and signal power.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131918867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optical gain in double semi-parabolic quantum well laser typical of AlGaAs/GaAs 典型AlGaAs/GaAs双半抛物量子阱激光器的光增益
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935365
A. Keshavarz, N. Zamani, H. Nadgaran
{"title":"Optical gain in double semi-parabolic quantum well laser typical of AlGaAs/GaAs","authors":"A. Keshavarz, N. Zamani, H. Nadgaran","doi":"10.1109/NUSOD.2014.6935365","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935365","url":null,"abstract":"In this paper, the optical gain in GaAs/AlxGa1-xAs symmetric double semi-parabolic quantum well laser is calculated. For this purpose, first the Schrödinger equation using the fourth-order Runge-Kutta method is done in order to obtain the energy levels and their corresponding wave functions of electrons and holes in double semi-parabolic quantum well. Finally, we introduce the optimum structure of quantum well to obtain the maximum optical gain, which can be useful for quantum well laser designing.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133834835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Effect of alloy fluctuations in InGaN/GaN quantum wells on optical emission strength InGaN/GaN量子阱中合金波动对光发射强度的影响
Numerical Simulation of Optoelectronic Devices, 2014 Pub Date : 2014-10-27 DOI: 10.1109/NUSOD.2014.6935331
M. Maur, D. Barettin, A. Pecchia, F. Sacconi, A. D. Carlo
{"title":"Effect of alloy fluctuations in InGaN/GaN quantum wells on optical emission strength","authors":"M. Maur, D. Barettin, A. Pecchia, F. Sacconi, A. D. Carlo","doi":"10.1109/NUSOD.2014.6935331","DOIUrl":"https://doi.org/10.1109/NUSOD.2014.6935331","url":null,"abstract":"In this work we present the effect of compositional fluctuations in InGaN/GaN quantum wells (QWs) on their spontaneous emission properties. We show that random alloy fluctuations lead to fluctuations of both the optical matrix elements and the emission energy and that the two quantities are correlated. A qualitatively different behaviour between flat band QWs and QWs with strong quantum confined Stark effect is found and explained by the localization behaviour of electrons and holes.","PeriodicalId":114800,"journal":{"name":"Numerical Simulation of Optoelectronic Devices, 2014","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133835788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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