Optical scattering induced noise in RF-photonic systems

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Citation of Original Publication

Okusaga, O., J. Cahill, W. Zhou, A. Docherty, G. M. Carter, and C. R. Menyuk. “Optical Scattering Induced Noise in RF-Photonic Systems.” 2011 Joint Conference of the IEEE International Frequency Control and the European Frequency and Time Forum (FCS) Proceedings, May 2011, 1–6. https://doi.org/10.1109/FCS.2011.5977754.

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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract

Scattering mechanisms in optical fiber induce noise in the spectra of optical signals travelling through the fiber. This fiber-induced noise limits the quality factor of optical fiber resonators and degrades low-noise signals transmitted via optical fiber. In this work, we present preliminary data from our systematic study of optical scattering in fiber. We present noise spectra for Rayleigh and Brillouin scattering. We also demonstrate suppression of these scattering mechanisms via laser frequency modulation.