| Issue |
Natl Sci Open
Volume 1, Number 3, 2022
Special Topic: Novel Optoelectronic Devices
|
|
|---|---|---|
| Article Number | 20220031 | |
| Number of page(s) | 20 | |
| Section | Information Sciences | |
| DOI | https://doi.org/10.1360/nso/20220031 | |
| Published online | 04 November 2022 | |
REVIEW
Recent progress in graphene-based optical modulators on silicon photonics platform
State Key Lab of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai
200240, China
* Corresponding author (email: yikaisu@sjtu.edu.cn)
Received: 13 April 2022
Revised: 6 August 2022
Accepted: 19 August 2022
Graphene is a 2D material which has attracted tremendous interest from academia and industry, due to its attractive electrical and optical properties. By integrating graphene onto silicon photonics platform, various high-performance electro-optic and thermo-optic modulators have been demonstrated. In this paper, such graphene-based optical modulators are reviewed. The concept and principle of optical modulations are firstly analyzed and then an overview of the developing trends of optical modulators is presented. Meanwhile, the performances of graphene-based optical modulators, including power consumptions and speeds of electro-optic modulators as well as tuning efficiencies of thermo-optic modulators, are then evaluated and discussed in detail. All these optical modulators would play important roles in a wide range of applications including telecom, interconnects, computing, quantum information processing, and beam steering.
Key words: optical modulator / graphene / integrated / high-speed
© The Author(s) 2022. Published by China Science Publishing & Media Ltd. and EDP Sciences.
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