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Opt Express. 2012 Jan 30;20(3):3331-44. doi: 10.1364/OE.20.003331.

Generation of wideband frequency combs by continuous-wave seeding of multistage mixers with synthesized dispersion.

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  • 1Department of Electrical and Computer Engineering, University of California San Diego, 9500 Gilman Dr., La Jolla, CA 92037, USA.


We numerically and experimentally demonstrate efficient generation of an equalized optical comb with 150-nm bandwidth. The comb was generated by low-power, continuous-wave seeds, eliminating the need for pulsed laser sources. The new architecture relies on efficient creation of higher-order mixing tones in phase-matched nonlinear fiber stages separated by a linear compressor. Wideband generation was enabled by precise dispersion engineering of multiple-stage parametric mixers.

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