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InGaN/GaN Blue Laser Diode Grown on Semipolar (3031) Free-Standing GaN Substrates

机译:在半极性(3031)自由站立GaN衬底上生长的InGaN / GaN蓝色激光二极管

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摘要

We demonstrate the first electrically-injected InGaN/GaN laser diodes (LDs) grown on semipolar (3031) free-standing GaN substrates. The lowest threshold current density (J_(th)) was 5.6 kA/cm~2 with a clear lasing peak at 444.7 nm. The peak electroluminescence (EL) wavelength blue-shifted 4 nm below threshold and the characteristic temperature was ~135K. These results suggest that the semipolar (3031) plane may be a potential candidate for growing high performance nitride-based LDs.
机译:我们演示了在半极性(3031)独立式GaN衬底上生长的第一个电注入InGaN / GaN激光二极管(LD)。最低阈值电流密度(J_(th))为5.6 kA / cm〜2,在444.7 nm处有清晰的激射峰。峰值电致发光(EL)波长蓝移至阈值以下4 nm,特征温度为〜135K。这些结果表明,半极性(3031)平面可能是生长高性能氮化物基LD的潜在候选者。

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  • 来源
    《Applied physics express》 |2010年第5期|P.052702.1-052702.3|共3页
  • 作者单位

    Materials Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnElectrical and Computer Engineering Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnElectrical and Computer Engineering Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnElectrical and Computer Engineering Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnMaterials Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnOptoelectronic Laboratory, Mitsubishi Chemical Corporation, 1000 Higashi-Mamiana, Ushiku, Ibaraki 300-1295, Japan;

    rnMaterials Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnMaterials Department, University of California, Santa Barbara, CA 93106, U.S.A. Electrical and Computer Engineering Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnMaterials Department, University of California, Santa Barbara, CA 93106, U.S.A.;

    rnMaterials Department, University of California, Santa Barbara, CA 93106, U.S.A. Electrical and Computer Engineering Department, University of California, Santa Barbara, CA 93106, U.S.A.;

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