1.28μm lasing from stacked InAs∕GaAs quantum dots with low-temperature-grown AlGaAs cladding layer by metalorganic chemical vapor deposition

1.28μm lasing from stacked InAs∕GaAs quantum dots with low-temperature-grown AlGaAs cladding layer by metalorganic chemical vapor deposition
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采用金属有机化学气相沉积法,采用低温生长 AlGaAs 包层堆叠 InAs∕GaAs 量子点发射 1.28μm 激光

DOI:
10.1063/1.1857075
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发表时间:
2005
影响因子:
4
通讯作者:
A. Kuramata
A. Kuramata
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
J. Tatebayashi;N. Hatori;M. Ishida;H. Ebe;M. Sugawara;Y. Arakawa;H. Sudo;A. Kuramata

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采用金属有机化学气相沉积方法,研究了低温生长的Al0.4Ga0.6As层包覆InAs∕GaAs堆叠量子点激光器的器件特性。当退火温度低于570℃时,由生长后退火引起的发射能量蓝移可以被抑制。在560°C生长p包层的In0.13Ga0.87As应变还原层中,实现了5层堆叠的InAs∕GaAs量子点在室温下的1.28μm连续激光。从制备的量子点激光器的增益谱的实验和计算中可以看出,所观察到的激光来自于堆叠的InAs量子点的第一激发态。
We report the device characteristics of stacked InAs∕GaAs quantum-dot lasers cladded by Al0.4Ga0.6As layer grown at a low temperature by metalorganic chemical vapor deposition. A blueshift in emission energy by the effect of postgrowth annealing can be suppressed when the annealing temperature is below 570°C. We achieved the 1.28μm continuous-wave lasing at room temperature of five layer stacked InAs∕GaAs quantum dots embedded in In0.13Ga0.87As strain-reducing layer whose p-cladding layer is grown at 560°C. From the experiments and calculations of the gain spectra of fabricated quantum-dot lasers, the observed lasing originates from the first excited state of stacked InAs quantum dots.
DOI: 10.1143/jjap.43.l1124
发表时间: 2004-08-15
期刊: JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
影响因子: --
作者:
Otsubo, K;Hatori, N;Arakawa, Y
通讯作者: Arakawa, Y
DOI: 10.1063/1.92959
发表时间: 1982-01-01
影响因子: 4
作者:
ARAKAWA, Y;SAKAKI, H
通讯作者: SAKAKI, H
通过生长后退火对堆叠 InAs 量子点的金属有机化学气相沉积效应生长的 In/GaAs 自组装量子点激光器
DOI: --
发表时间: 2004
期刊: Applied Physics Letters 85・6
影响因子: --
作者:
J.Tatebayashi;Y.Arakawa;N.Hatoi;H.Ebe;M.Sugawara;H.Sudo;A.Kuramata
通讯作者: A.Kuramata