"Möbius" Microring Resonator
arXiv:1807.11771 · doi:10.1063/1.5082675
Abstract
A new category of optical microring resonator, which is analogous to the Möbius strip, is proposed. The "Möbius" microring resonator allows the conversion between modes with different polarizations in the ring and light must circulate two cycles to be converted back to the original polarization status, which is similar to a Möbius strip. This topology structure of polarization leads to the free spectral range be half of that corresponds to the cavity round trip. The eigenmodes of this microring are hybridizations of different polarizations and the breaking of the rotation invariance of the ring makes the transmission be related with the polarization of input light. Our work opens the door towards the photonic devices with nontrivial mode topology and provides a novel way to engineering photonic structures for fundamental studies.
6 pages, 3 figures
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Cited by in corpus (4)
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- Adiabatic conversion between gigahertz quasi-Rayleigh and quasi-Love modes for phononic integrated circuits
- Nonlinear topological symmetry protection in a dissipative system
- Topology-induced symmetry breaking demonstrated in antiferromagnetic magnons on a Möbius strip