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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共85条记录   Efficiency droop alleviation in InGaN/GaN light-emitting diodes by graded-thickness multiple quantum wells [作者：Wang, CH; Chang, SP; Chang, WT; Li, JC; Lu, YS; Li, ZY; Yang, HC; Kuo, HC; Lu, TC; Wang, SC,期刊：Applied Physics Letters, 页码：181101-181101 , 文章类型： 期刊论文，,卷期：2010年97-18] InGaN/GaN light-emitting diodes (LEDs) with graded-thickness multiple quantum wells (GQW) was designed and grown by metal-organic chemical vapor deposition. The GQW structure, in which the well-thickness increases along ... Role of strain in polarization switching in semipolar InGaN/GaN quantum wells [作者：Yan, QM; Rinke, P; Scheffler, M; Van de Walle, CG,期刊：Applied Physics Letters, 页码：181102-181102 , 文章类型： 期刊论文，,卷期：2010年97-18] The effect of strain on the valence-band structure of (11 (2) over bar2) semipolar InGaN grown on GaN substrates is studied. A k . p analysis reveals that anisotropic strain in the c-plane and shear strain are crucial fo... Bias-dependent absorption coefficient of the absorber section in GaN-based multisection laser diodes [作者：Scheibenzuber, WG; Schwarz, UT; Sulmoni, L; Carlin, JF; Castiglia, A; Grandjean, N,期刊：Applied Physics Letters, 页码：181103-181103 , 文章类型： 期刊论文，,卷期：2010年97-18] We measure the modal absorption coefficient of the InGaN quantum wells (QWs) in the absorber section of (Al,In)GaN multisection laser diodes as a function of bias voltage and photon energy using optical gain-spectroscopy... Control of spontaneous emission from InP single quantum dots in GaInP photonic crystal nanocavities [作者：Luxmoore, IJ; Ahmadi, ED; Wasley, NA; Fox, AM; Tartakovskii, AI; Krysa, AB; Skolnick, MS,期刊：Applied Physics Letters, 页码：181104-181104 , 文章类型： 期刊论文，,卷期：2010年97-18] We demonstrate semiconductor quantum dots coupled to photonic crystal cavity modes operating in the visible spectrum. We present the design, fabrication, and characterization of two dimensional photonic crystal cavities ... Strain evaluation in AlInN/GaN Bragg mirrors by in situ curvature measurements and ex situ x-ray grazing incidence and transmission scattering [作者：Krost, A; Berger, C; Blasing, J; Franke, A; Hempel, T; Dadgar, A; Christen, J,期刊：Applied Physics Letters, 页码：181105-181105 , 文章类型： 期刊论文，,卷期：2010年97-18] Strain in lattice matched and mismatched AlInN/GaN Bragg mirror structures were studied by in situ curvature and various ex situ x-ray measurements. In the case of lattice mismatched structures considerable deviations of... Optomechanics in an ultrahigh-Q two-dimensional photonic crystal cavity [作者：Safavi-Naeini, AH; Alegre, TPM; Winger, M; Painter, O,期刊：Applied Physics Letters, 页码：181106-181106 , 文章类型： 期刊论文，,卷期：2010年97-18] We demonstrate an ultrahigh-Q slotted two-dimensional photonic crystal cavity capable of obtaining strong interaction between the internal light field and the mechanical motion of the slotted structure. The measured opti... Strain influenced indium composition distribution in GaN/InGaN core-shell nanowires [作者：Li, QM; Wang, GT,期刊：Applied Physics Letters, 页码：181107-181107 , 文章类型： 期刊论文，,卷期：2010年97-18] The optical properties, indium concentration and distribution, defect morphology, and strain distribution of GaN/InGaN coaxial nanowires grown by metal organic chemical vapor deposition were investigated using spatially ... Effect of an asymmetry AlGaN barrier on efficiency droop in wide-well InGaN double-heterostructure light-emitting diodes [作者：Lin, RM; Lai, MJ; Chang, LB; Huang, CH,期刊：Applied Physics Letters, 页码：181108-181108 , 文章类型： 期刊论文，,卷期：2010年97-18] External-quantum-efficiency (EQE) and efficiency droop in wide-well InGaN double-heterostructure light-emitting diodes have been investigated. It was found that the insertion of an AlGaN barrier between the n-type GaN la... Reliability in room-temperature negative differential resistance characteristics of low-aluminum content AlGaN/GaN double-barrier resonant tunneling diodes [作者：Bayram, C; Vashaei, Z; Razeghi, M,期刊：Applied Physics Letters, 页码：181109-181109 , 文章类型： 期刊论文，,卷期：2010年97-18] AlGaN/GaN resonant tunneling diodes (RTDs), consisting of 20% (10%) aluminum-content in double-barrier (DB) active layer, were grown by metal-organic chemical vapor deposition on freestanding polar (c-plane) and nonpolar... Ultrasmooth microfabricated mirrors for quantum information [作者：Biedermann, GW; Benito, FM; Fortier, KM; Stick, DL; Loyd, TK; Schwindt, PDD; Nakakura, CY; Jarecki, RL; Blain, MG,期刊：Applied Physics Letters, 页码：181110-181110 , 文章类型： 期刊论文，,卷期：2010年97-18] In this paper, we realize a scalable micromirror suitable for atom chip based cavity quantum electrodynamics applications. A very low surface roughness of 2.2 angstrom rms on the silicon cavity mirrors is achieved using ... Widely tunable quantum cascade lasers with coupled cavities for gas detection [作者：Fuchs, P; Seufert, J; Koeth, J; Semmel, J; Hofling, S; Worschech, L; Forchel, A,期刊：Applied Physics Letters, 页码：181111-181111 , 文章类型： 期刊论文，,卷期：2010年97-18] The authors report the fabrication of widely tunable monolithic quantum cascade lasers (QCLs) with coupled Fabry-Perot (FP) cavities on indium phosphide. Quasicontinuous tuning of the single mode emission over a total sp... Terahertz band gap properties by using metal slits in tapered parallel-plate waveguides [作者：Lee, ES; Ji, YB; Jeon, TI,期刊：Applied Physics Letters, 页码：181112-181112 , 文章类型： 期刊论文，,卷期：2010年97-18] We present experimental and finite-difference time-domain simulation studies on the properties of Bragg and non-Bragg band gaps; the studies are carried out by using metal slit arrays positioned at the center of the air ... Dependence of glass forming ability on liquid fragility: Thermodynamics versus kinetics [作者：Wang, LM; Tian, YJ; Liu, RP,期刊：Applied Physics Letters, 页码：181901-181901 , 文章类型： 期刊论文，,卷期：2010年97-18] The dependence of glass forming ability on liquid fragility is studied with thermodynamic and kinetic analyses. A general expression of the Gibbs free energy difference between an undercooled liquid and its equilibrium c... Experimental verification of negative refraction for a wedge-type negative index metamaterial operating at terahertz [作者：Wang, SX; Garet, F; Blary, K; Lheurette, E; Coutaz, JL; Lippens, D,期刊：Applied Physics Letters, 页码：181902-181902 , 文章类型： 期刊论文，,卷期：2010年97-18] We report on angle-resolved time domain spectroscopy (TDS) carried out on a prismlike negative index metamaterial operating around 0.5 THz. The wedge-type devices are constituted of hole arrays etched in gold thin films,... Retrieval of terahertz spectroscopic signatures in the presence of rough surface scattering using wavelet methods [作者：Arbab, MH; Winebrenner, DP; Thorsos, EI; Chen, A,期刊：Applied Physics Letters, 页码：181903-181903 , 文章类型： 期刊论文，,卷期：2010年97-18] Scattering of terahertz waves by surface roughness can obscure spectral signatures of chemicals at these frequencies. We demonstrate this effect using controlled levels of surface scattering on alpha-lactose monohydrate ... Rashba and Dresselhaus spin-orbit coupling in GaN-based heterostructures probed by the circular photogalvanic effect under uniaxial strain [作者：Yin, CM; Shen, B; Zhang, Q; Xu, FJ; Tang, N; Cen, LB; Wang, XQ; Chen, YH; Yu, JL,期刊：Applied Physics Letters, 页码：181904-181904 , 文章类型： 期刊论文，,卷期：2010年97-18] The spin splitting in GaN-based heterostructures has been investigated by means of circular photogalvanic effect experiments under uniaxial strain. The ratios of Rashba and Dresselhaus spin-orbit coupling coefficients (R...