FABRICATION OF A 2-DIMENSIONAL PHASED-ARRAY OF VERTICAL-CAVITY SURFACE-EMITTING LASERS

被引：83

作者：

YOO, HJ

SCHERER, A

HARBISON, JP

FLOREZ, LT

PAEK, EG

VANDERGAAG, BP

HAYES, JR

VONLEHMEN, A

KAPON, E

KWON, YS

机构：

[1] Bellcore, Red Bank, NJ 07701-7040

来源：

APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 13期

关键词：

D O I：

10.1063/1.102558

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the successful fabrication of a two-dimensional phase-locked array of vertical-cavity surface-emitting lasers. The array was comprised of more than 160 vertical-cavity surface-emitting lasers of 1.3 μm diameter with a separation of less than 0.1 μm between each lasing element. The array had a 25 μm diameter and each of the elemental lasers was located on a two-dimensional rectangular lattice. The threshold current of the two-dimensional array 45 mA yields a threshold current of 280 μA for an elemental laser. The far-field beam angle of the array was as narrow as 7°, and the spectral purity was found to be good enough to allow for a clear holographic image reconstruction of a holographic memory.

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页码：1198 / 1200

页数：3

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