- 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 ...
- 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...
- 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...
- 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,...
- 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...
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