Kim, Dae-GonHan, SangyoonChoi, Duk-YongLee, Hanseuk2023-10-043-5 August978-0-646-82504-5http://hdl.handle.net/1885/301227We propose a universal, reconfigurable waveguide coupler designed to access optical microcavities easily. As the coupler can consist of any material, it can cover a wide range of refractive indices for phase-matching.application/pdfen-AU© 2020 Optical Society of American202010.1364/CLEOPR.2020.C5E_12022-08-07