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Measurements of phase noise of a 40-GHz carrier signal are presented. The carrier is generated by the amplification of harmonics due to stimulated Brillouin scattering. An analogy to a generation of millimeter waves by an erbium-doped fiber instead of the Brillouin amplifier is investigated and discussed. In our setup, both show a comparable behavior in respect to their noise characteristics.
Junker, M., Ammann, M., Schwarzbacher, A., Klinger, J., Lauterback, K., Schneider, T.: A comparative test of Brillouin amplification and Erbium-doped fiber amplification for the generation of millimeter waves with low phase noise properties. IEEE Transactions on Microwave Theory and Techniques, June 2006,Volume: 54 , Issue: 4 , Part 1, 1576 - 1581.