A power-efficient integrated lithium niobate electro-optic comb generator

Ke Zhang, Wenzhao Sun, Yikun Chen, Hanke Feng, Yiwen Zhang, Zhaoxi Chen, Cheng Wang*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

74 Citations (Scopus)
75 Downloads (CityUHK Scholars)

Abstract

Integrated electro-optic frequency combs are important components for future applications in optical communications, and these often require an efficient modulation mechanism. The authors demonstrate power-efficient lithium niobite phase modulators for electro-optic comb generation by implementing a 4x multi-pass configuration via mode multiplexing allowing for an experimental 15x reduction in power consumption; they demonstrate a broadband comb spectrum with 47 lines at 25-GHz comb spacing. © The Author(s) 2023
Original languageEnglish
Article number17
JournalCommunications Physics
Volume6
Online published23 Jan 2023
DOIs
Publication statusOnline published - 23 Jan 2023

Funding

This work is supported in part by the National Natural Science Foundation of China (61922092); Research Grants Council, University Grants Committee (CityU 11212721, N_CityU113/20); Croucher Foundation (9509005); City University of Hong Kong 12 (9610402, 9610455). We acknowledge Nanosystem Fabrication Facility (CWB) of HKUST for the device/system fabrication.

Publisher's Copyright Statement

  • This full text is made available under CC-BY 4.0. https://creativecommons.org/licenses/by/4.0/

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