在一维格子的拓界面状态下高速电光调制
Yong Zhang1, Jian Shen2, Jingchi Li2
1State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China. yongzhang@sjtu.edu.cn.
Light, science & applications
|August 29, 2023
概括
基酸盐上的超紧拓调制器实现了104GHz的带宽,从而实现了更快的数据通信. 这种小型化突破加速了集成电路的拓光子设备.
科学领域:
- 光子学和光学工程的工程.
- 材料科学 材料科学 材料科学
- 量子信息科学 量子信息科学
背景情况:
- 电光调制器对于数据通信,微波光子学和量子光子学至关重要.
- 关键性能指标包括调制带宽,能源效率和设备大小.
- 微型化是推动光子集成电路发展的关键目标.
研究的目的:
- 报告用于设备微型化的超紧拓调制器.
- 在薄膜尼酸盐平台上演示一种新的拓接口状态.
- 为大规模酸光子集成电路奠定基础.
主要方法:
- 在一维格子中实现拓接口状态.
- 使用薄膜酸集成平台.
- 调制带宽,信号生成和切换能量的表征.
主要成果:
- 实现了104GHz的调制带宽,拓空隙为1.6 × 140 μm2.
- 证明了100 Gb/s非返回零和四级脉冲振幅调制信号生成.
- 报告了5.4 fJ/bit的切换能量,这是28 GHz以上带宽的LN调制器中最紧的设备大小.
结论:
- 拓调制器显著加快了响应时间,达到皮秒级.
- 这项工作为微型化电光调制器提供了关键的进步.
- 这些发现为大规模酸光子集成电路铺平了道路.
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