SPATIAL HOLE-BURNING AND SELF-FOCUSING IN VERTICAL-CAVITY SURFACE-EMITTING LASER-DIODES

被引：68

作者：

WILSON, GC ^{[1
]}

KUCHTA, DM ^{[1
]}

WALKER, JD ^{[1
]}

SMITH, JS ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,ELECTR RES LAB,BERKELEY,CA 94720

来源：

APPLIED PHYSICS LETTERS | 1994年 / 64卷 / 05期

关键词：

D O I：

10.1063/1.111097

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We measure spatial hole burning in weakly index guided vertical-cavity surface-emitting laser diodes (VCSELs) by spatially and spectrally resolving the spontaneous emission near field above threshold and show that spatial holes produce a significant lensing effect. We demonstrate experimentally, and with a simple model, that in weakly index guided VCSELs, self-focusing causes the fundamental mode width to decrease with increasing output power, exacerbating the spatial hole burning problem and inducing a transition to multimode operation at relatively low powers.

引用

页码：542 / 544

页数：3

共 9 条

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