可编程的非挥发性光子模拟到数字转换器,基于后端兼容的相变材料
Gaofei Wang1,2, Jiabin Shen2,3, Yaping He1,2
1School of Microelectronics, Fudan University, Shanghai, 200433, P. R. China.
Advanced materials (Deerfield Beach, Fla.)
|March 10, 2025
概括
研究人员使用相变材料开发了一种可编程的光子模拟数字转换器 (ADC). 这种节能的光学ADC实现了8位分辨率,这是光学ADC中最高的分辨率,克服了电子限制.
科学领域:
- 光子学 是一个光子学.
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
背景情况:
- 电子模拟数字转换器 (ADC) 在带宽,精度和功耗方面面临限制.
- 光子ADC为克服信号处理中的这些挑战提供了一个有希望的替代方案.
研究的目的:
- 通过将相变材料 (PCM) 与光子学集成来开发可编程的光子ADC.
- 在光学模拟到数字转换中展示高分辨率和能源效率.
主要方法:
- 使用造加工的光子学和相变材料制造光子ADC.
- 在单个芯片上展示2位和4位光子ADC.
- 实验验证65个状态的PCM以实现高分辨率.
主要成果:
- 在量子化过程中实现了零能耗,这是由于PCM的非挥发性.
- 展示了8位分辨率的光子ADC,这是光学技术中报告的最高值.
- 集成光子ADC与光学采样为一个全光学系统转换321 MHz的射频信号在40 MS/s.
结论:
- 开发的可编程光子ADC在能源效率和速度方面取得了重大进展.
- 这项技术代表了高性能信号处理和电信系统的重大进步.
- 光子ADC为当前电子ADC固有的局限性提供了可行的解决方案.
相关概念视频
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