2-DIMENSIONAL PHASE-LOCKED ARRAYS OF VERTICAL-CAVITY SEMICONDUCTOR-LASERS BY MIRROR REFLECTIVITY MODULATION

被引：104
作者：
ORENSTEIN, M
KAPON, E
STOFFEL, NG
HARBISON, JP
FLOREZ, LT
WULLERT, J
机构：
[1] Bellcore, Red Bank, NJ 07701
来源：
APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 08期
关键词：
D O I：
10.1063/1.105218
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Coupling of two-dimensional (2D) vertical-cavity surface-emitting lasers (VCSELs) to give a coherent supermode is described. The top metal layer of a stained-layer InGaAs quantum well VCSEL structure was patterned laterally by depositing various metals with different optical reflectivities. This lateral reflectivity patterning defined a 2D laser array sharing the same "supercavity". It is shown that these 2D arrays oscillate in a stable single, coherent 2D supermode. This was achieved with a simple planar process and without significant deterioration of threshold current and efficiency relative to an equivalent broad-area VCSEL.
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页码：804 / 806
页数：3
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