Commonly, the development of WGM microresonators for built-in lithium niobate photonics is accompanied by the advance of the LNOI planning approach. From the early phase, z-Lower LN films ended up generally selected due to the limitations of lithographic tactics. The remarkably localized nonlinear interaction supplied by focused femtosecond laser pulses https://-lithiumniobatecrystal47801.idblogmaker.com/31851156/lithium-niobate-crystal-no-further-a-mystery