LINEWIDTH AND ALPHA-FACTOR OF DETUNED-LOADED DBR LASERS

被引：14

作者：

VERDIELL, JM

KOREN, U

KOCH, TL

机构：

[1] AT&T Bell Laboratories, Homdel

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1992年 / 4卷 / 04期

关键词：

D O I：

10.1109/68.127194

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report measurements of the alpha-factor and linewidth of DBR lasers fabricated with weak grating constants. Such devices exhibit detuned-loading effects and the measured values depend strongly on the tuning current of the Bragg section. Alpha-factor behavior is found to agree with earlier theoretical predictions. Linewidth behavior is shown to be dominated by carrier shot noise in the tuning section. A theoretical analysis of the DBR laser is outlined including detuned loading and carrier shot noise effect.

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页码：302 / 305

页数：4

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