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首页> 外文期刊>IEEE Photonics Technology Letters >Fabrication of multiple wavelength lasers in GaAs-AlGaAs structures using a one-step spatially controlled quantum-well intermixing technique
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Fabrication of multiple wavelength lasers in GaAs-AlGaAs structures using a one-step spatially controlled quantum-well intermixing technique

机译:使用一步空间控制的量子阱混合技术在GaAs-AlGaAs结构中制造多波长激光器

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摘要

We have applied a new technique, based on impurity-free vacancy diffusion, to control the degree of intermixing across a wafer. Bandgap tuned lasers were fabricated using this technique. Five distinguishable lasing wavelengths were observed from five selected intermixed regions on a single chip. These lasers showed no significant change in transparency current, internal quantum efficiency or internal propagation loss, which indicates that the material quality was not degraded after intermixing.
机译:我们已经应用了一种基于无杂质空位扩散的新技术来控制整个晶片上的混合程度。使用该技术制造了带隙调谐激光器。从单个芯片上的五个选定的混合区域观察到五个可区分的激光波长。这些激光器在透明电流,内部量子效率或内部传播损耗方面没有显示出明显变化,这表明材料质量在混合后不会降低。

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