Abstract
Thanks to a portable dual-frequency Brillouin fiber laser and a photomixer, we report the generation of a highly coherent kilohertz level submillimeter wave emission. Low-cost telecommunications components are used to achieve very simple source architecture. The photomixer is composed of a unitravelling carrier photodiode integrated with an antenna. An emission at is observed and analyzed thanks to heterodyne detection with a signal-to-noise ratio and a linewidth. The phase noise of the proposed source has the same performance at 1.7 and . We show that this source has comparable or better phase noise compared to electrical oscillators and the tunability is much wider.
© 2011 Optical Society of America
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