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Proceedings Paper

Injection locked coupled opto-electronic oscillator for optical frequency comb generation
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Paper Abstract

A CW injection locked Coupled Opto-Electronic Oscillator (COEO) is presented with a 10.24 GHz spaced optical frequency comb output as well as a low noise RF output. A modified Pound-Drever-Hall scheme is employed to ensure long-term stability of the injection lock, feeding back into the cavity length to compensate for cavity resonance drifts relative to the injection seed frequency. Error signal comparison to an actively mode-locked injection locked laser is presented. High optical signal-to-noise ratio of ~35 dB is demonstrated with >20 comblines of useable bandwidth. The optical linewidth, in agreement with injection locking theory, reduces to that of the injection seed frequency, <5 kHz. Low amplitude and absolute phase noise are presented from the optical output of the laser system. The integrated pulse-to-pulse energy fluctuation was found to be reduced by up to a factor of two due to optical injection. Additional decreases were shown for varying injection powers.

Paper Details

Date Published: 5 May 2011
PDF: 10 pages
Proc. SPIE 8054, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VII, 80540C (5 May 2011); doi: 10.1117/12.886874
Show Author Affiliations
Charles Williams, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Dimitrios Mandridis, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Josue Davila-Rodriguez, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Peter J. Delfyett, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 8054:
Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VII
Michael J. Hayduk; Peter J. Delfyett, Editor(s)

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