CIRCULARLY SYMMETRICAL OPERATION OF A CONCENTRIC-CIRCLE-GRATING, SURFACE-EMITTING, ALGAAS/GAAS QUANTUM-WELL SEMICONDUCTOR-LASER

被引：145

作者：

ERDOGAN, T

KING, O

WICKS, GW

HALL, DG

ANDERSON, EH

ROOKS, MJ

机构：

[1] CORNELL UNIV,NATL NANOFABRICAT FACIL,ITHACA,NY 14853

[2] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598

[3] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

来源：

APPLIED PHYSICS LETTERS | 1992年 / 60卷 / 16期

关键词：

D O I：

10.1063/1.107151

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A surface-emitting semiconductor laser that utilizes a concentric-circle grating defined by electron-beam lithography is observed to oscillate in a circularly symmetric fashion. The laser emits a circularly symmetric beam with a total beam divergence of less than 1-degrees. Despite its broad-area geometry, the laser shows no evidence of filamentation. The laser maintains a relatively narrow wavelength spectrum approximately 1 angstrom in width.

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页码：1921 / 1923

页数：3

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