Author(s): Liu, Y (Liu, Yang); Huang, XR (Huang, Xingrui); Li, ZZ (Li, Zezheng); Guan, H (Guan, Huan); Wei, QQ (Wei, Qingquan); Fan, ZC (Fan, Zhongchao); Han, WH (Han, Weihua); Li, ZY (Li, Zhiyong)

Source: OPTICS LETTERS Volume: 45 Issue: 24 Pages: 6847-6850 DOI: 10.1364/OL.413246 Published: DEC 15 2020

Abstract: A grating coupler on a thin film x-cut lithium niobate-silicon rich nitride hybrid platform is proposed and demonstrated. An inverse taper is applied to suppress higher-order mode excitation. A coupling efficiency of -5.82 dB and 3 dB bandwidth of 57 nm are obtained near the wavelength of 1550 nm between the standard single-mode fiber (SMF-28) and sub-micrometer waveguides. (C) 2020 Optical Society of America

Accession Number: WOS:000599793600070

PubMed ID: 33325911

ISSN: 0146-9592

eISSN: 1539-4794

Full Text: https://www.osapublishing.org/ol/abstract.cfm?uri=ol-45-24-6847