Möbius Strip Microlasers: a Testbed for Non-Euclidean Photonics

Abstract

We report on experiments with Möbius strip microlasers which were fabricated with high optical quality by direct laser writing. A Möbius strip, i.e., a band with a half twist, exhibits the fascinating property that it has a single nonorientable surface and a single boundary. We provide evidence that, in contrast to conventional ring or disk resonators, a Möbius strip cavity cannot sustain whispering gallery modes (WGM). Comparison between experiments and 3D finite difference time domain (FDTD) simulations reveals that the resonances are localized on periodic geodesics.

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Cited by in corpus (6)

• Experimental Observation of Berry Phases in Optical Moebius-strip Microcavities
• Geodesic photon coupling and non-Hermitian exceptional point of microcavities on topologically curved space
• Non-Hermitian Skin Effect Along Hyperbolic Geodesics
• Exploring non-Euclidean photonics: Pseudosphere microlaser
• Universality and beyond in optical microcavity billiards with source-induced dynamics
• Mesoscopic Möbius ladder lattices as non-Hermitian model systems