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全光非挥发性光学调制器用于光纤内运行.

Zhihai Liu1, Xiang Li1, Siying Cheng1

  • 1Key Lab of In-Fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin, 150001, P.R. China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
概括
此摘要是机器生成的。

我们开发了一个非挥发性,全光学调制器,使用相变材料进行光纤内数据处理. 这种设备可以实现节能,高速的光通信,而无需光电转换.

关键词:
完全光学调制的全光学调制集成光学 集成光学有光纤的光学纤维.阶段变换材料是相位变换材料.

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科学领域:

  • 光子学是指光子学的使用方法.
  • 材料科学 材料科学 材料科学
  • 光学通信是指光学通信.

背景情况:

  • 信息时代需要高速,低能耗的光子系统来进行数据传输,处理和存储.
  • 从电光到全光调制器的过渡是关键,但当前设备中的挥发性材料增加了能源消耗.
  • 对于节能全光学调制,需要非易失性材料.

研究的目的:

  • 提出和演示一种全新的全光学,非挥发性光学调制器,用于光纤内运行.
  • 为了利用Ge2Sb2Te5 (GST) 的相变特性进行光学调制.
  • 为了使光纤中的信号传输,处理和存储能够在没有光电转换的情况下进行.

主要方法:

  • 使用Ge2Sb2Te5 (GST) 集成全光学调制器进行光纤内操作.
  • 用光脉冲诱导GST相位过渡来改变光纤端面反射性.
  • 通过干扰光谱分析实现了输出光强度的调制.

主要成果:

  • 在电信频段中显示出13dB的干扰强度对比.
  • 实现了大约100纳秒 (ns) 的响应时间来脉冲.
  • 成功运行该设备作为一个标量乘法和逻辑操作单元.

结论:

  • 开发的基于GST的调制器为光纤应用提供非挥发性,节能的光学调制.
  • 该设备具有低开关功耗 (<100nJ) 和非挥发性数据保留.
  • 这种光纤调制器是迈向先进全光学设备和网络的基本步骤.