Laser-Direct-Written polymer WGM microring laser integrated on a fiber tip for refractive index sensing

Mobin Yaghoobi, Seyedeh Mahshad Hosseini, Leila Hajshahvaladi +2

Whispering-gallery-mode (WGM) microlasers are promising for refractometric sensing, but their practical implementation can be limited by the need for stable resonator-coupler align…