Abstract

In this Letter, the impact of thermal coupling between two glass laser cavities on a heterodyned signal for millimeter-wave frequency generation is presented. In addition to a narrow heterodyne linewidth estimated to be lower than 1 kHz, the frequency drift is reduced to $\pm 16.5\mathrm{ppm}/7\mathrm{s}$. The signal quality is also evaluated by performing data transmission, respecting communication standards at 60 GHz using complex modulation formats.

© 2018 Optical Society of America

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