首页> 外文会议>2003 International Symposium on Compound Semiconductors Aug 25-27, 2003 San Diego, CA >Optical characteristics of InAsN/GaAs quantum dots emitting at 1.3 μm
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Optical characteristics of InAsN/GaAs quantum dots emitting at 1.3 μm

机译:以1.3μm发射的InAsN / GaAs量子点的光学特性

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摘要

The InAsN/GaAs QDs show the narrow FWHM, strong PL and same carrier lifetime across the 1.3 μm band. This indicates that the QDs are grown in a uniform size distribution and that the nitrogen incorporation does not induce defect generation in QDs. InAsN has the lower energy gap and less strain than InAs and so the small addition of nitrogen into InAs is enough to move the emission to 1.3 μm. As a result, the present InAsN QDs on GaAs substrate emitting at 1.3 μm could be suitable for 1.3 μm laser diode.
机译:InAsN / GaAs量子点在1.3μm波段显示出较窄的FWHM,较强的PL和相同的载流子寿命。这表明量子点以均匀的尺寸分布生长,并且氮的掺入不会引起量子点中缺陷的产生。与InAs相比,InAsN的能隙更小,应变更小,因此,向InAs中少量添加氮就足以将发射光移至1.3μm。结果,在GaAs衬底上以1.3μm发射的当前InAsN QD可能适用于1.3μm激光二极管。

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