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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 17 — Aug. 13, 2012
  • pp: 19420–19430

Low-noise RF-amplifier-free slab-coupled optical waveguide coupled optoelectronic oscillators: physics and operation

William Loh, Siva Yegnanarayanan, Jason J. Plant, Frederick J. O’Donnell, Matthew E. Grein, Jonathan Klamkin, Shannon M. Duff, and Paul W. Juodawlkis  »View Author Affiliations

Optics Express, Vol. 20, Issue 17, pp. 19420-19430 (2012)

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We demonstrate a 10-GHz RF-amplifier-free slab-coupled optical waveguide coupled optoelectronic oscillator (SCOW-COEO) system operating with low phase-noise (<-115 dBc/Hz at 1 kHz offset) and large sidemode suppression (>70 dB measurement-limited). The optical pulses generated by the SCOW-COEO exhibit 26.8-ps pulse width (post compression) with a corresponding spectral bandwidth of 0.25 nm (1.8X transform-limited). We also investigate the mechanisms that limit the performance of the COEO. Our measurements indicate that degradation in the quality factor (Q) of the optical cavity significantly impacts COEO phase-noise through increases in the optical amplifier relative intensity noise (RIN).

© 2012 OSA

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(250.0250) Optoelectronics : Optoelectronics

ToC Category:

Original Manuscript: June 18, 2012
Revised Manuscript: July 24, 2012
Manuscript Accepted: July 30, 2012
Published: August 9, 2012

William Loh, Siva Yegnanarayanan, Jason J. Plant, Frederick J. O’Donnell, Matthew E. Grein, Jonathan Klamkin, Shannon M. Duff, and Paul W. Juodawlkis, "Low-noise RF-amplifier-free slab-coupled optical waveguide coupled optoelectronic oscillators: physics and operation," Opt. Express 20, 19420-19430 (2012)

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