Mid-infrared integrated electro-optic modulators: a review

Author:

Xu Tianqi1,Dong Yuan1,Zhong Qize1,Zheng Shaonan1,Qiu Yang1,Zhao Xingyan1,Jia Lianxi12,Lee ChengKuo3ORCID,Hu Ting1ORCID

Affiliation:

1. School of Microelectronics, Shanghai University , Shanghai 201800 , China

2. Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences (CAS) , Shanghai 200050 , China

3. Department of Electrical & Computer Engineering , National University of Singapore , Singapore 117583 , Singapore

Abstract

Abstract Integrated mid-infrared (MIR) photonics have various applications in optical fiber communication, spectral detection and identification, free-space communication, and light detection and ranging, etc. The MIR electro-optic (EO) modulator, which is one of the key components of MIR integrated photonic systems, has attracted a lot of research interests. In this paper, we review the reported integrated MIR EO modulators based on different modulation mechanisms and material platforms. The recent research progresses and challenges of MIR EO modulators are presented and discussed. The unique advantages and the corresponding applications of each type of MIR modulators are summarized as well. In the end, we provide our perspectives of a few areas in integrated MIR modulators that are worthy for research attention in future.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Open Fund of Key Laboratory of Advanced Display and System Applications of Ministry of Education, Shanghai University

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology

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