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相关概念视频

Confocal Fluorescence Microscopy01:16

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

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一个快速的低功耗光学内存,基于合的微环激光器.

Martin T Hill1, Harmen J S Dorren, Tjibbe De Vries

  • 1COBRA Research Institute, Technische Universiteit Eindhoven, Postbus 513, 5600 MB Eindhoven, The Netherlands. m.t.hill@tue.nl

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概括

研究人员使用显微环激光器开发了一种新的光学记忆元件. 这一突破使得电信的高速光学处理成为可能,为先进的光子集成电路铺平了道路.

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科学领域:

  • 光子学是指光子学的使用方法.
  • 光学计算是指光学计算的应用.
  • 电信 电信服务 电信服务 电信服务

背景情况:

  • 光纤电信的速度不断提高,需要高速光学处理.
  • 存在着对高密度,低功耗光学内存的关键需求,与半导体技术集成用于数据缓冲.

研究的目的:

  • 展示一种由相互连接的微观环激光器构建的新型光学记忆元件.
  • 评估数字光学信息处理新型内存元件的性能和整合潜力.

主要方法:

  • 在InP/InGaAsP光子集成电路上使用微观环激光器制造内存元件.
  • 切换速度和光学切换能量的实验性表征.
  • 计算模拟用于预测小型化潜力和更快的切换时间.

主要成果:

  • 展示的存储元件占据了一个小面积 (18 x 40 微米2).
  • 该设备在20皮秒 (ps) 内显示出超快速切换,低光学切换能量为5.5 femtojoules (fJ).
  • 模拟显示了进一步缩小尺寸和切换时间的潜力.

结论:

  • 开发的基于激光的微观存储元件是高密度,高速光学缓冲的有希望的候选者.
  • 这些元素在光子集成电路上的密集集成和相互连接是可行的.
  • 这种技术进步表明,使用大规模集成的快速数字光学信息处理系统的可行性.