Generation principle for the robust comb-like resonant modes in photonic crystal ring resonator

Generation principle for the robust comb-like resonant modes in photonic crystal ring resonator | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Generation principle for the robust comb-like resonant modes in photonic crystal ring resonator Rui Ge, Dengke Xing This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4564492/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Topological valley photonic crystal cavity supports the robust comb-like resonant modes, and thus is widely applied in chiral coupling of quantum dots, laser, nonlinear frequency conversion process, and photonic logical elements. So far, its robustness is mostly attributed to the different topological properties of the valley photonic crystals. In this work, we illustrate that the position of circular polarization topological singularity is the most important factor to generate comb-like resonant modes with robustness. We proposed a photonic crystal ring resonator purely by the linedefect waveguide, and simulation results demonstrate that the proposed cavity can generate robust comb-like resonant modes. This work can provide guidance to the design of high-quality and robust photonic crystal cavity. Photonics/optics photonic crystal topological photonic resonant mode Full Text Additional Declarations The authors declare no competing interests. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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