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High-Efficiency, Slow-Light Modulator on Hybrid Thin-Film Lithium Niobate Platform

2021-09-09

 

Author(s): Huang, XR (Huang, Xingrui); Liu, Y (Liu, Yang); Guan, H (Guan, Huan); Yu, ZG (Yu, Zhiguo); Tan, MQ (Tan, Manqing); Li, ZY (Li, Zhiyong)

Source: IEEE PHOTONICS TECHNOLOGY LETTERS Volume: 33 Issue: 19 Pages: 1093-1096 DOI: 10.1109/LPT.2021.3106642 Published: OCT 1 2021

Abstract: In this letter, we experimentally demonstrate the first slow-light Mach-Zehnder modulator (MZM) on a hybrid ithin-film Lithium Niobate platform. The Bragg grating waveguides are served as phase shifters, which enhance the modulation efficiency with the slow-light effect. Compared with large-signal modulation efficiency (V-pi . L =0.67 V . cm) and an ultra-compact footprint (0.3 mm x 1.2 mm). Data transmission up to 60 Gbps and an on-chip insertion loss of 1.9 dB are also achieved. This modulator provides a potential solution for high-intensity integration, low-power transmission, and optical biosensing.

Accession Number: WOS:000690436400002

ISSN: 1041-1135

eISSN: 1941-0174

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