Room temperature lasing at blue wavelengths in gallium nitride microcavities

被引：244

作者：

Someya, T

Werner, R

Forchel, A

Catalano, M

Cingolani, R

Arakawa, Y

机构：

[1] Univ Tokyo, Inst Ind Sci, Minato Ku, Tokyo 1068558, Japan

[2] Univ Wurzburg, Lehrstuhl Tech Phys, D-97074 Wurzburg, Germany

[3] Univ Lecce, CNR, Ist Studio Mat Elettr, I-73100 Lecce, Italy

[4] Univ Lecce, Ist Nazl Fis Mat, Dipartimento Ingn Innovaz, I-73100 Lecce, Italy

来源：

SCIENCE | 1999年 / 285卷 / 5435期

关键词：

D O I：

10.1126/science.285.5435.1905

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Lasing action has been demonstrated at blue wavelengths in vertical cavity surface-emitting Lasers at room temperature. The microcavity was formed by sandwiching indium gallium nitride multiple quantum wells between nitride-based and oxide-based quarter-wave reflectors. Lasing action was observed at a wavelength of 399 nanometers under optical excitation and confirmed by a narrowing of the Linewidth in the emission spectra from 0.8 nanometer below threshold to Less than 0.1 nanometer (resolution limit) above threshold. The result suggests that practical blue vertical cavity surface-emitting lasers can be realized in gallium-nitride-based material systems.

引用

页码：1905 / 1906

页数：2

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