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首页> 外文期刊>Journal of Crystal Growth >InAs_yP_(1-y) metamorphic buffer layers on InP substrates for mid-IR diode lasers
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InAs_yP_(1-y) metamorphic buffer layers on InP substrates for mid-IR diode lasers

机译:用于中红外二极管激光器的InP衬底上的InAs_yP_(1-y)变形缓冲层

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摘要

The defect-trapping effectiveness of an InAsP metamorphic buffer layer (MBL) design was investigated by studying the light-emission characteristics of InAs quantum wells grown on the MBL, along with structural characterization through SIMS and TEM measurements. Using a fixed recipe for the MBL, several separate confinement heterostructures (SCHs) were studied using 8-band k.p simulations, HRXRD, SEM, optical microscope and variable-temperature photoluminescence. Room temperature PL was observed at wavelengths near 3 μm, although the PL intensity drops significantly for samples with wavelengths longer than 2.85 μm. Laser operation was achieved at 77 K at a wavelength of 2.45 μm and threshold as low as 290 A/cm~2.
机译:通过研究在MBL上生长的InAs量子阱的发光特性,以及通过SIMS和TEM测量进行结构表征,研究了InAsP变质缓冲层(MBL)设计的缺陷捕获效率。使用固定的MBL配方,使用8波段k.p模拟,HRXRD,SEM,光学显微镜和可变温度光致发光研究了几个单独的限制异质结构(SCH)。尽管在波长大于2.85μm的样品中PL强度显着下降,但在接近3μm的波长处观察到了室温PL。激光操作是在波长为2.45μm,阈值低至290 A / cm〜2的77 K下实现的。

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  • 来源
    《Journal of Crystal Growth》 |2010年第8期|p.1165-1169|共5页
  • 作者单位

    Department of Electrical and Computer Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, USA;

    rnDepartment of Electrical and Computer Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, USA;

    rnDepartment of Electrical and Computer Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, USA;

    rnDepartment of Electrical and Computer Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, USA;

    rnDepartment of Electrical and Computer Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, USA;

    rnDepartment of Electrical and Computer Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, USA;

    rnDepartment of Chemical and Biological Engineering, University of Wisconsin-Madison, USA;

    rnDepartment of Mechanical & Aerospace Engineering, West Virginia University, USA;

    rnDepartment of Materials Science and Engineering, University of Wisconsin-Madison, USA;

    rnCode 5613, Naval Research Laboratory;

    rnCode 5613, Naval Research Laboratory;

    rnDepartment of Physics, University at Albany, Suny;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A3. Organometallic vapor phase epitaxy; A3. Quantum wells; B1. Antimonides; B1. Phosphides; B3. Laser diodes;

    机译:A3。有机金属气相外延;A3。量子阱;B1。锑化物;B1。磷化物;B3。激光二极管;

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