HIGH OUTPUT POWER (GREATER-THAN-20 W) AND HIGH QUANTUM EFFICIENCY IN A PHOTOPUMPED ZNSE/ZNSSE BLUE LASER OPERATING AT ROOM-TEMPERATURE

被引：27

作者：

NAKANISHI, K

SUEMUNE, I

FUJII, Y

KURODA, Y

YAMANISHI, M

机构：

[1] Hiroshima University, Higashihiroshima-City, 724

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1991年 / 30卷 / 8A期

关键词：

HIGH OUTPUT POWER; HIGH QUANTUM EFFICIENCY; ZNSE; BLUE LASER; PHOTOPUMPING; SUPERLATTICE;

D O I：

10.1143/JJAP.30.L1399

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

High output power of 24 W was observed from a photopumped ZnSe/ZnSSe blue laser operating at room temperature. A different quantum efficiency greater than 25% was estimated in the lasing region of the photopumped wafer. The improved lasing property is attributed mainly to the improved waveguiding structure verified from the far-field measurement. The other is the introduction of a ZnSe/ZnSSe superlattice buffer which improved the crystalline property of the active layer grown above. The lowest threshold power was 50 approximately 70 kW/cm2 for a cavity length of 220-mu-m under pulsed operation.

引用

页码：L1399 / L1401

页数：3

共 10 条

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