supported by the National Natural Science Foundation of China(Nos.62275136,61905124,12274248,and 62090063);the Natural Science Foundation of Zhejiang Province(No.LY22F050009);the Yongjiang Scholar Foundation of Ningbo;the K.C.Wong Magna Fund of Ningbo University。
The design of nonlinear photonic Vogel's spiral based on quasi-crystal theory was demonstrated.Two main parameters of Vogel's spiral were arranged to obtain multi-reciprocal circles.Typical structure was fabricated by...
supported by the Ministry of Science and Higher Education of the Russian Federation within the Development Program of the Ural Federal University named after the first President of Russia,B.N.Yeltsin,in accordance with the program of strategic academic leadership“Priority-2030”.The equipment of the Ural Center for Shared Use“Modern nanotechnology”at Ural Federal University(Reg.No.2968),which is supported by the Ministry of Science and Higher Education RF(Project No.075-15-2021-677),was used.
The paper presents the results of an experimental study of the local polarization reversal and creation of domains by a biased tip of scanning probe microscope(SPM)in lithium niobate single crystals of congruent compo...