Microresonator-based comb generation without an external laser source.

Abstract

We demonstrate a fiber-microresonator dual-cavity architecture with which we generate 880 nm of comb bandwidth without the need for a continuous-wave pump laser. Comb generation with this pumping scheme is greatly simplified as compared to pumping with a single frequency laser, and the generated combs are inherently robust due to the intrinsic feedback mechanism. Temporal and radio frequency (RF) characterization show a regime of steady comb formation that operates with reduced RF amplitude noise. The dual-cavity design is capable of being integrated on-chip and offers the potential of a turn-key broadband multiple wavelength source.

DOI: 10.1364/OE.22.001394

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@article{Johnson2014MicroresonatorbasedCG, title={Microresonator-based comb generation without an external laser source.}, author={Adrea R Johnson and Yoshitomo Okawachi and Michael R. E. Lamont and Jacob S. Levy and Michal Lipson and Alexander L . Gaeta}, journal={Optics express}, year={2014}, volume={22 2}, pages={1394-401} }