Amplified spontaneous emission spectrum and gain characteristic of a two-electrode semiconductor optical amplifier

A two-electrode multi-quantum-well semiconductor optical amplifier is designed and fabricated.The amplified spontaneous emission（ASE）spectrum and gain were measured and analyzed.It is shown that the ASE spectrum and gain characteristic are greatly influenced by the distribution of the injection curr...

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Bibliographic Details
Published in:Journal of semiconductors 2011-06, Vol.32 (6), p.60-63
Main Author: 汪寒超 黄黎蓉 石忠卫
Format: Article
Language:English
Subjects:
Amplification
ASE谱
Density
Electrodes
Gain
Injection current
Semiconductor optical amplifiers
Semiconductors
Spontaneous emission
半导体光放大器
增益特性
多量子阱
放大的自发辐射
电极
电流密度分布
自发辐射谱
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Summary:A two-electrode multi-quantum-well semiconductor optical amplifier is designed and fabricated.The amplified spontaneous emission（ASE）spectrum and gain were measured and analyzed.It is shown that the ASE spectrum and gain characteristic are greatly influenced by the distribution of the injection current density.By changing the injection current density of two electrodes,the full width at half maximum,peak wavelength,peak power of the ASE spectrum and the gain characteristic can be easily controlled.
ISSN:1674-4926
DOI:10.1088/1674-4926/32/6/064010