NEAR-ROOM-TEMPERATURE PHOTOPUMPED BLUE LASERS IN ZNSXSE1-X/ZNSE MULTILAYER STRUCTURES

被引：20

作者：

NAKANISHI, K

SUEMUNE, I

MASATO, H

KURODA, Y

YAMANISHI, M

机构：

[1] Hiroshima University, Higashihiroshima

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1990年 / 29卷 / 12期

关键词：

PHOTOPUMPING; BLUE LASER; METALORGANIC VAPOR-PHASE EPITAXY; THERMOIONIC EMISSION; HIGH HETEROBARRIER; LATTICE MATCHING;

D O I：

10.1143/JJAP.29.L2420

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Photopumped blue laser oscillation was achieved up to near room temperature (280 K) in a ZnS0.18Se0.82/ZnSe multilayer structure grown by MOVPE. This significant improvement in the lasing temperature is attributed to the higher heterobarrier which prevents thermoionic emission and to the multilayer structure which has an average lattice constant matched to the GaAs substrate at the growth temperature of 515-degrees-C. The threshold excitation optical power density below 200 K where the thermoionic emission is negligible is less than 50 kW/cm2, which corresponds to a current density of 14 kA/cm2.

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页码：L2420 / L2422

页数：3

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