Song Yalei, Monceaux Yann, Bittner Stefan, Chao Kimhong, Reynoso de la Cruz Héctor M, Lafargue Clément, Decanini Dominique, Dietz Barbara, Zyss Joseph, Grigis Alain, Checoury Xavier, Lebental Melanie
Laboratoire Lumière, Matière et Interfaces (LuMIn) CNRS, ENS Paris-Saclay, Université Paris-Saclay, CentraleSupélec, 91190 Gif-sur-Yvette, France.
Lanzhou Center for Theoretical Physics and the Gansu Provincial Key Laboratory of Theoretical Physics, Lanzhou University, Lanzhou, 730000 Gansu, China.
Phys Rev Lett. 2021 Nov 12;127(20):203901. doi: 10.1103/PhysRevLett.127.203901.
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.
我们报告了关于莫比乌斯带微激光器的实验，这些微激光器是通过直接激光写入以高光学质量制造的。莫比乌斯带，即具有半扭转的带，展现出其具有单个不可定向表面和单个边界这一迷人特性。我们提供的证据表明，与传统的环形或盘形谐振器不同，莫比乌斯带腔无法维持回音壁模式（WGM）。实验与三维时域有限差分（FDTD）模拟之间的比较表明，共振位于周期性测地线上。
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