Reflection sensitivity of self-pulsing lasers in multimode fibre links

被引:0
|
作者
Raddatz, L [1 ]
White, IH [1 ]
Coles, AN [1 ]
机构
[1] HEWLETT PACKARD LABS,BRISTOL BS12 6QZ,AVON,ENGLAND
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TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The effects of external optical feedback on the spectral performance of self-pulsing laser diodes are investigated both theoretically and experimentally. It is found that feedback levels as low as 1% are sufficient to suppress the self-pulsations, causing the laser linewidth and spectral envelope to narrow. The resulting higher coherence of the laser light can cause increased modal noise in multimode fibre links.
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页码:101 / 104
页数:4
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