Low-Power, High-Performance Electro-Optic Modulator Based on MoS2-SiN Integrated Waveguide

IF 4.3 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Journal of Selected Topics in Quantum Electronics Pub Date : 2024-06-13 DOI:10.1109/JSTQE.2024.3414173

Jiahao Sun;Jiatong Li;Zhenyuan Shang;Guoqing Wang;Rumin Cheng;Qianrui Huang;Ling Li;Yiwen Sun;Peiguang Yan;Junle Qu

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引用次数: 0

Abstract

Two-dimensional layered materials and low-loss, high-quality on-chip functional devices formed by optical waveguides have received widespread attention in the field of integrated photonics. In this work, we demonstrate an electro-optic modulator based on Mach-Zehnder interference (MZI) for the first time, which is integrated with MoS2. The ionic liquid is directly cover the surface of the MoS2-SiN waveguide device to form a capacitor structure Due to the outstanding electro-refractive and electro-absorption properties of MoS2, the phase modulation efficiency obtained by adjusting the voltage on the long and short arms is 445 pm/V, the maximum phase change is 1.14π, the half-wave voltage length product VπL is 0.11 V·cm, and the maximum effective refractive index offset is 2.93 × 10 ⁻³ RIU. Notably, we can achieve a wavelength shift of 1780 nm and an electro-optic response bandwidth exceeding 8.5 GHz at voltage saturation. The proposed electro-optic modulator is expected to be applied to low-loss, high-performance large-scale photonic integrated systems.

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基于 MoS2-SiN 集成波导的低功耗、高性能电光调制器

二维层状材料和由光波导形成的低损耗、高质量片上功能器件在集成光子学领域受到广泛关注。在这项工作中，我们首次展示了一种基于马赫-泽恩德干涉（MZI）的电光调制器，它与 MoS2 集成在一起。离子液体直接覆盖在 MoS2-SiN 波导器件的表面，形成一个电容结构。由于 MoS2 具有出色的电折射和电吸收特性，通过调节长短臂上的电压获得的相位调制效率为 445 pm/V，最大相位变化为 1.14π，半波电压长度积 VπL 为 0.11 V-cm，最大有效折射率偏移为 2.93 × 10-3 RIU。值得注意的是，在电压饱和状态下，我们可以实现 1780 nm 的波长偏移和超过 8.5 GHz 的电光响应带宽。所提出的电光调制器有望应用于低损耗、高性能的大规模光子集成系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Journal of Selected Topics in Quantum Electronics 工程技术-工程：电子与电气

CiteScore

10.60

自引率

2.00%

发文量

212

审稿时长

3 months

期刊介绍： Papers published in the IEEE Journal of Selected Topics in Quantum Electronics fall within the broad field of science and technology of quantum electronics of a device, subsystem, or system-oriented nature. Each issue is devoted to a specific topic within this broad spectrum. Announcements of the topical areas planned for future issues, along with deadlines for receipt of manuscripts, are published in this Journal and in the IEEE Journal of Quantum Electronics. Generally, the scope of manuscripts appropriate to this Journal is the same as that for the IEEE Journal of Quantum Electronics. Manuscripts are published that report original theoretical and/or experimental research results that advance the scientific and technological base of quantum electronics devices, systems, or applications. The Journal is dedicated toward publishing research results that advance the state of the art or add to the understanding of the generation, amplification, modulation, detection, waveguiding, or propagation characteristics of coherent electromagnetic radiation having sub-millimeter and shorter wavelengths. In order to be suitable for publication in this Journal, the content of manuscripts concerned with subject-related research must have a potential impact on advancing the technological base of quantum electronic devices, systems, and/or applications. Potential authors of subject-related research have the responsibility of pointing out this potential impact. System-oriented manuscripts must be concerned with systems that perform a function previously unavailable or that outperform previously established systems that did not use quantum electronic components or concepts. Tutorial and review papers are by invitation only.