Frontiers in Optics + Laser Science 2021, 2021
DOI: 10.1364/fio.2021.jth5a.86
We report the substantial second-harmonic generation produced from exposed core optical fibers, coated with single-layer MoS2 crystals, grown by a one-step CVD process. This second-order process is tunable and supported by intermodal phase matching.