期刊
OPTICS EXPRESS
卷 20, 期 16, 页码 17610-17619出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.017610
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- Office of Naval Research (ONR)
We demonstrate new technique for generation of programmable-pitch, wideband frequency combs with low phase noise. The comb generation was achieved using cavity-less, multistage mixer driven by two tunable continuous-wave pump seeds. The approach relies on phase-correlated continuous-wave pumps in order to cancel spectral linewidth broadening inherent to parametric comb generation. Parametric combs with over 200-nm bandwidth were obtained and characterized with respect to phase noise scaling to demonstrate linewidth preservation over 100 generated tones. (C) 2012 Optical Society of America
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