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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 12 — Jun. 9, 2008
  • pp: 9067–9072

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

Y. Kouomou Chembo, Laurent Larger, Ryad Bendoula, and Pere Colet  »View Author Affiliations

Optics Express, Vol. 16, Issue 12, pp. 9067-9072 (2008)

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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.

© 2008 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(190.3100) Nonlinear optics : Instabilities and chaos
(350.4010) Other areas of optics : Microwaves

ToC Category:

Original Manuscript: March 13, 2008
Revised Manuscript: April 23, 2008
Manuscript Accepted: April 27, 2008
Published: June 4, 2008

Y. Kouomou Chembo, Laurent Larger, Ryad Bendoula, and Pere Colet, "Effects of gain and bandwidth on the multimode behavior of optoelectronic microwave oscillators," Opt. Express 16, 9067-9072 (2008)

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