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We demonstrate the fabrication process of millimeter-size lithium niobate (LiNbO$_3$) whispering-gallery-mode (WGM) disk-resonators. We fabricate both $x$- and $z$-cut disk-resonators, starting from commercially available LiNbO$_3$ disks with diameters of 12 mm and thicknesses of 1 mm. We characterize these two WGM resonators using a prism coupling configuration. We find that both resonators feature...
An x-cut millimeter-size lithium niobate whispering gallery mode disk resonator is demonstrated, which is fabricated based on commercially available lithium niobate disk with diameter of 12 mm and thickness of 1 mm. The Q factor is measured using the linewidth method, which is found to be Q=1.2×107, suggesting a very good condition of the WGM disk resonator. In addition, the transmission behaviors...
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