Efficient electro-optical modulation on thin-film lithium niobate

Mingwei Jin, Jiayang Chen, Yongmeng Sua, Prajnesh Kumar, Yuping Huang

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

Thin-film lithium niobate has emerged as an excellent, multifaceted platform for integrated photonics and optoelectronics, in both classical and quantum domains. We introduce a novel, to the best of our knowledge, dual-capacitor electrode layout for an efficient interface between electrical and optical signals on this platform. It significantly enhances the electro-optical modulation efficiency to an exceptional voltage-length product of 0.64 V cm, thereby lowering the required electric power by many times. This technique can boost the performance of growing applications at the interface of integrated electronics and optics, such as microwave photonics, frequency comb generation, and telecommunication transmission.

Original languageEnglish
Pages (from-to)1884-1887
Number of pages4
JournalOptics Letters
Volume46
Issue number8
DOIs
StatePublished - 15 Apr 2021

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