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arXiv · 1511.02397

In-resonator variation of waveguide cross-sections for dispersion control of aluminum nitride micro-rings

Hojoong Jung·Menno Poot·Hong X. Tang
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Abstract

We propose and demonstrate a dispersion control technique by combination of different waveguide cross sections in an aluminum nitride micro-ring resonator. Narrow and wide waveguides with normal and anomalous dispersion, respectively, are linked with tapering waveguides and enclosed in a ring resonator to produce a total dispersion near zero. The mode-coupling in multimoded waveguides is also effectively suppressed. This technique provides new degrees of freedom and enhanced flexibility in engineering the dispersion of microcomb resonators.

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Hojoong Jung, Menno Poot, Hong X. Tang. 2015-11-07. In-resonator variation of waveguide cross-sections for dispersion control of aluminum nitride micro-rings. https://doi.org/10.1364/oe.23.030634

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