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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 26 — Dec. 30, 2013
  • pp: 32516–32523

Frequency multiplying optoelectronic oscillator based on nonlinearly-coupled double loops

Wei Xu, Tao Jin, and Hao Chi  »View Author Affiliations

Optics Express, Vol. 21, Issue 26, pp. 32516-32523 (2013)

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We propose and demonstrate a frequency multiplying optoelectronic oscillator with nonlinearly-coupled double loops based on two cascaded Mach–Zehnder modulators, to generate high frequency microwave signals using only low-frequency devices. We find the final oscillation modes are only determined by the length of the master oscillation loop. Frequency multiplying signals are generated via nonlinearly-coupled double loops, the output of one loop being used to modulate the other. In the experiments, microwave signals at 10 GHz with −121 dBc/Hz phase noise at 10 kHz offset and 20 GHz with −112.8 dBc/Hz phase noise at 10 kHz offset are generated. Meanwhile, their side-mode suppression ratios are also evaluated and the maximum ratio of 70 dB is obtained.

© 2013 Optical Society of America

OCIS Codes
(230.4910) Optical devices : Oscillators
(250.0250) Optoelectronics : Optoelectronics

ToC Category:

Original Manuscript: August 13, 2013
Revised Manuscript: October 6, 2013
Manuscript Accepted: December 15, 2013
Published: December 23, 2013

Wei Xu, Tao Jin, and Hao Chi, "Frequency multiplying optoelectronic oscillator based on nonlinearly-coupled double loops," Opt. Express 21, 32516-32523 (2013)

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