[10p-C212-1~18] 3.13 Silicon photonics, Photonics-electronics convergence, Optical control

5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[10p-C212-15] Formation of Periodically Poled Structures in Thin-Film Mg:LiNbO₃ and Observation by Multiphoton Microscopy

〇(M1)Yuki Fujii^1,3, Mitsuki Shimoda^2,3, Tomohiro Kita², Atsushi Ishizawa¹, Rai Kou³ (1.Nihon Univ., 2.Waseda Univ., 3.AIST PEIRC)

Keywords:

Periodically Poled,Heterogeneous Integration,Lithium Niobate

For the stabilization of optical frequency combs, we have proposed a waveguide platform in which PP-TFLN is integrated onto a SiN waveguide by means of µ-transfer printing. In this work, we examined the periodic poling process of Mg-doped TFLN. We achieved an inversion ratio of 49.1% in an LNOI substrate consisting of X-cut, 5 mol% Mg-doped LN with a film thickness of 300 nm, under voltage application conditions of 330 V, a pulse width of 5 ms, and six applied pulses.