Effects of gain and bandwidth on the multimode behavior of optoelectronic microwave oscillators

被引：37

作者：

Chembo, Y. Kouomou ^{[1
,2
]}

Larger, Laurent ^{[1
]}

Bendoula, Ryad ^{[1
]}

Colet, Pere ^{[2
]}

机构：

[1] Inst FEMTO ST, Dept Opt, F-25030 Besancon, France

[2] UIB, CSIC, IFISC, E-07122 Palma de Mallorca, Spain

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 12期

关键词：

D O I：

10.1364/OE.16.009067

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that when subjected to high gain, delay-line optoelectronic oscillators can display a strongly multimode behavior depending on the feedback bandwidth. We found that this dynamical regime may arise when the bandwidth of the feedback loop spans over several hundreds of ring cavity-modes, and also when the oscillator is switched on abruptly. Such a persistent multimode regime is detrimental to the performances of this system which is normally intended to provide ultra-pure and single-mode microwaves. We experimentally evidence this multimode dynamics and we propose a theory to explain this undesirable feature. (c) 2008 Optical Society of America.

引用

页码：9067 / 9072

页数：6

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