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. 2024 May 8;629(8013):784–790. doi: 10.1038/s41586-024-07369-1

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© The Author(s) 2024

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Extended Data Fig. 3 — (a) Schematic of resonance drifting measurement setup. A pump laser is Pound-Drever-Hall (PDH) locked to the resonance microresonators and the wavelength is monitored by a wavemeter. (b) Photorefractive-induced resonance frequency shift in LNOI (red) and LTOI (blue) microresonators.