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Opt Lett. 2011 Aug 1;36(15):2964-6. doi: 10.1364/OL.36.002964.

Low-power continuous-wave four-wave mixing in silicon coupled-resonator optical waveguides.

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  • 1University of California, San Diego, Mail Code 0407, La Jolla, California 92093, USA.


We demonstrate four-wave mixing in silicon-on-insulator coupled-resonator optical waveguides consisting of 35 and 65 microring resonators, using a cw pump with coupled power below 20 mW and observed parametric conversion across more than 10 THz. The conversion efficiency is enhanced by +16 dB relative to a silicon straight waveguide of equivalent length, due to the slowing factor of the coupled-resonator structure.

© 2011 Optical Society of America

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