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High-efficiency integrated laser on erbium-doped lithium niobate-on-insulator
Chunyu Zhang, Yuqi Zhang, Yiyang Zou +11
Lithium niobate on insulator (LNOI) combines the outstanding optical properties of lithium niobate (LN) with strong optical confinement, scalable fabrication and high-density integ…
Local perfect chirality at reflection-zeros away from exceptional points in optical whispering gallery microcavity
Junda Zhu, Haitao Liu, Fang Bo +3
Recently, a local and imperfect chirality of the resonant eigenmode at the exceptional point (EP) has been reported in the optical whispering gallery microcavity system perturbed b…
Second-harmonic generation with a 440,000% W-1 conversion efficiency in a lithium niobate microcavity without periodic poling
Xiao Wu, Zhenzhong Hao, Li Zhang +6
Thin-film lithium niobate (TFLN) enables extremely high-efficiency second-order nonlinear optical effects due to large nonlinear coefficient d33 and strong optical field localizati…
High-efficiency edge couplers enabled by vertically tapering on lithium-niobate photonic chips
Di Jia, Qiang Luo, Chen Yang +7
In the past decade, photonic integrated circuits (PICs) based on thin-film lithium niobate (TFLN) have advanced in various fields, including optical communication, nonlinear photon…