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相关概念视频

Interference: Path Lengths01:10

Interference: Path Lengths

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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
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相关实验视频

Updated: Jan 17, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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对对角光路属性的实验验证:缓解基于干扰度的光学处理器中的相位误差.

S Mohammad Reza Safaee, Kaveh Rahbardar Mojaver, Odile Liboiron-Ladouceur

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    |September 23, 2025
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    概括
    此摘要是机器生成的。

    我们开发了一种新的方法,通过使用对角光学路径校准基于马赫-泽恩德干扰仪 (MZI) 的光学处理器. 这种技术提高了准确性,并减少了编程这些设备的计算负载.

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    相关实验视频

    Last Updated: Jan 17, 2026

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    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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    科学领域:

    • 光子学和光学工程的工程.
    • 集成光学 集成光学 集成光学
    • 量子计算硬件 量子计算硬件

    背景情况:

    • 马赫-泽恩德干扰仪 (MZIs) 是光学处理中的关键组件.
    • 由于缺陷和不确定性,MZI的校准和编程具有挑战性.
    • 现有的方法往往需要计算密集型方案.

    研究的目的:

    • 为基于MZI的光学处理器提供高效的校准和编程方法.
    • 为了利用对角光学路径特性进行直接的相位监测.
    • 为了抑制校准错误和消除复杂的编程方案.

    主要方法:

    • 利用对角光学路径特性用于MZI相变器的直接相位监测.
    • 开发了一个比较程序来评估测试床的忠实性.
    • 实验验证了在4x4干扰度网 (绝缘体上的) 上的方法.

    主要成果:

    • 在对角路径上的前/后块的相位设置不确定性没有影响校准.
    • 通过对角路径进行微调,与离线校准相比,矩阵向量乘法误差减少了79%.
    • 证明了从虚假的散射光中抑制校准错误.

    结论:

    • 截面路径属性为MZI校准和编程提供了一个实用且可扩展的解决方案.
    • 拟议的方法提高了可重新配置的多端口干扰仪的可靠性和效率.
    • 直接相位监控简化了校准,并提高了光学处理器的性能.