A TFLN microdisk using polygon modes achieves 48.08% SHG conversion efficiency at 4.599 mW on-chip pump, surpassing prior domain-inversion-free schemes.
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Second harmonic generation with 48% conversion efficiency from cavity polygon modes in a monocrystalline lithium niobate microdisk resonator
A TFLN microdisk using polygon modes achieves 48.08% SHG conversion efficiency at 4.599 mW on-chip pump, surpassing prior domain-inversion-free schemes.