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Single-mode GaAs/AlGaAs quantum cascade microlasers

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【Author】 Gao Yu,Liu Junqi,Liu Fengqi,Zhang Wei,Zhang Quande,Liu Wanfeng,Li Lu,Wang Lijun,and Wang Zhanguo(Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China)

【机构】 Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences；

【摘要】 Single-mode edge emitting GaAs/AlGaAs quantum cascade microlasers at a wavelength of about 11.4 μm were realized by shortening the Fabry-P’erot cavity length.The spacing of the longitudinal resonator modes is inversely proportional to the cavity length.Stable single-mode emission with a side mode suppression ratio of about 19 dB at 85 K for a 150-μm-long device was demonstrated.更多还原

【Abstract】 Single-mode edge emitting GaAs/AlGaAs quantum cascade microlasers at a wavelength of about 11.4 μm were realized by shortening the Fabry-P’erot cavity length.The spacing of the longitudinal resonator modes is inversely proportional to the cavity length.Stable single-mode emission with a side mode suppression ratio of about 19 dB at 85 K for a 150-μm-long device was demonstrated.更多还原

【关键词】 quantum cascade lasers； GaAs/AlGaAs； single-mode emission； short cavity length；
【Key words】 quantum cascade lasers； GaAs/AlGaAs； single-mode emission； short cavity length；

【基金】 Project supported by the National Research Projects of China(Nos.60525406,60736031,60806018,60906026,2006CB604903,2007AA03Z446,2009AA03Z403)

【文献出处】半导体学报 ,Journal of Semiconductors , 编辑部邮箱 ,2009年11期

【分类号】TN304
【下载频次】51

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