DEPRESSED INDEX CLADDING GRADED BARRIER SEPARATE CONFINEMENT SINGLE QUANTUM-WELL HETEROSTRUCTURE LASER

被引：17
作者：
COCKERILL, TM
HONIG, J
DETEMPLE, TA
COLEMAN, JJ
机构：
[1] Microelectronics Laboratory, University of Illinois, Urbana, IL 61801
来源：
APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 21期
关键词：
D O I：
10.1063/1.105887
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this letter, we present data for a novel depressed index cladding laser structure which provides reduced perpendicular far-field divergence angle with acceptable low-threshold current densities. Narrow perpendicular divergence angles of 27-degrees full width at half maximum for a nearly perfect Gaussian beam shape have been measured, with a corresponding near-field spot size of 1.30-mu-m. Threshold current densities of 309 A/cm2 are observed for 150-mu-m stripewidth, 780-mu-m long devices with 0.80-mu-m transverse spot sizes. Pulsed output powers for unmounted devices are greater than 0.9 W/uncoated facet.
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收藏
页码：2694 / 2696
页数：3
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