Ultra-thin curved visible microdisk lasers with three-dimensional whispering gallery modes
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AbstractMicrodisk lasers are important components in photonic integrated circuits (PICs), of which the whispering gallery modes (WGMs) are usually confined within a two-dimensional (2D) planar slab. Here, owing to the strain relaxation of quantum wells by wet-etching method, we present ultra-thin curved visible microdisk lasers with single-mode lasing emission and a high quality factor of ∼17,000, which enable a 3D spatial intensity distribution of WGMs and provide an extra degree of freedom for the confined photons compared with the conventional 2D in-plane WGMs. The curved microdisk lasers with a 3D spatial profile of WGMs may provide attractive applications in flexible and multilevel photon sources for the PICs.
All Author(s) ListZhou TJ, Ng KW, Sun XK, Zhang ZY
Journal nameNanophotonics
Year2020
Month9
Volume Number9
Issue Number9
PublisherDe Gruyter
Pages2997 - 3002
ISSN2192-8614
eISSN2192-8614
LanguagesEnglish-United States

Last updated on 2021-24-02 at 00:29