Self-assembled In0.5Ga0.5As quantum-dot lasers with doped active region

Nien Tze Yeh, Jia Ming Lee, Tzer En Nee, Jen Inn Chyi

研究成果: 雜誌貢獻期刊論文同行評審

8 引文 斯高帕斯(Scopus)

摘要

Self-assembled In0.5Ga0.5As quantum-dot lasers with different doping schemes in the active region are investigated. Their lasing wavelength, characteristic temperature, quantum efficiency, and internal loss are characterized and correlated with the size, uniformity, and density of the quantum dots as revealed by atomic force microscopy. Continuous-wave operation of Be-doped quantum-dot lasers has been achieved. Undoped In0.5Ga0.5As quantum-dot lasers with a characteristic temperature as high as 125 K above room temperature have also been demonstrated.

原文???core.languages.en_GB???
頁(從 - 到)1123-1125
頁數3
期刊IEEE Photonics Technology Letters
12
發行號9
DOIs
出版狀態已出版 - 9月 2000

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