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Ga_xIn_(1-x)P/AlGaInP多量子阱的吸收/反射光谱:多光束干涉的影响与消减 被引量：2

Absorption and Reflectivity of GaInP/AlGaInP Multiple Quantum Wells:Influence and Reduction of Multi-Beam Interference
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摘要 通过测量GaAs基GaxIn1-xP/AlGaInP多量子阱的光学吸收谱 ,揭示出采用吸收谱研究该量子阱系统所遭遇的困难 ,并判明吸收谱中高频振荡干扰的来源为多光束干涉 ,从而指出消减振荡干扰的有效途径在于降低量子阱样品的有效厚度 .提出了适用于反射光谱测量的样品结构 ,并在实验中观察到激子跃迁 .通过对反射谱进行导数操作 ,达到了准确测定激子跃迁能量的目的 。 By measuring optical absorption of GaInP/AlGaInP MQWs,the difficulty is explicitly illustrated in studying by the absorption spectroscopy.The high frequency oscillation observed in the absorption is identified to be multi-beam interference.A manner is taken to diminish the interference by reducing the effective thickness of the sample.Improved sample structures are proposed for reflectivity measurement,which leads exciton transitions to be unambiguously identified.With the aid of spectroscopic derivative,the excitonic transition energy can be definitely determined,which warrants a reliable reflectivity study of the optical properties of the MQW systems.
作者 邵军
机构地区 [
出处 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2004年第6期651-656,共6页 半导体学报（英文版）
基金 上海市自然科学基金 (批准号:0 2ZA14 114 ) 国家自然科学基金 (批准号 :60 2 760 0 6) 国家重点基础研究专项经费(批准号 :G0 0 1CB3 0 95 )资助项目~~
关键词 吸收谱 反射谱 多量子阱 多光束干涉 谱导数 absorption reflectivity multiple quantum wells multi-beam interference spectroscopic derivative
分类号 O43351 [机械工程—光学工程]
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参考文献22

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同被引文献39

  • 1熊飞克,郭良,马骁宇,王树堂,陈良惠.高性能实用化GaInP-AlGaInP半导体量子阱可见光激光器[J].Journal of Semiconductors,1997,18(6):424-430. 被引量：4
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  • 7Bittkau K, Mecking N, Gui Y S, et al. Photoconductivity of InxAl1-x As parabolic quantum wells in the optical-phonon regime. Phys Rev B,2005,71:035337
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  • 9Learitt R P. Binding energy of hydrogenic impurities in parabolic quantum wells. Phys Rev B,1987,36:7650
  • 10Zang J X, Rustgi M L. Energy levels of a hydrogenic impurity in a parabolic quantum well with a magnetic field. Phys Rev B,1993,48,2465

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Journal of Semiconductors
2004年 第6期

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