EXTERNAL OPTICAL FEEDBACK EFFECTS ON INTENSITY NOISE OF VERTICAL-CAVITY SURFACE-EMITTING LASERS

被引：45

作者：

HO, KP

WALKER, JD

KAHN, JM

机构：

[1] Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1993年 / 5卷 / 08期

关键词：

D O I：

10.1109/68.238245

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 have experimentally evaluated the effect of external optical feedback on the relative intensity noise (RIN) of a vertical-cavity surface-emitting laser (VCSEL) diode. In the absence of optical feedback, the smallest RIN is found to be -135 dB/Hz. For optical feedback levels approaching -25 dB, the RIN is degraded by about 20 dB. We have measured feedback-induced power penalties in a 500-Mb/s intensity-modulation/direct-detection (IM/DD) link and determined that the penalty exceeds 1 dB if the optical feedback ratio is larger than -30 dB.

引用

收藏

页码：892 / 895

页数：4

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