光子和微波融合以提高计算灵活性
1School of Electrical and Electronic Engineering, 50 Nanyang Avenue, Nanyang Technological University, Singapore, 639798, Singapore.
Light, science & applications
|September 4, 2025
概括
研究人员使用微环共振器开发了一种光子张量处理单元, 这一芯片实现了高光子计算密度, 克服了电脑在张量运算中的限制.
科学领域:
- 光子计算
- 人工神经网络
- 综合光子学
背景情况:
- 人工神经网络 (ANN) 依赖于张量运算,这些运算是计算密集的.
- 传统的电子架构面临存储和计算瓶,阻碍了高效的大规模张量处理.
- 现有的光子计算解决方案往往缺乏复杂的ANN任务所需的密度和效率.
研究的目的:
- 开发一种新型的光子张量处理单元 (PTPU),用于加速ANN计算.
- 在处理高维张量运算时克服电子计算的局限性.
- 提高人工智能硬件的光子集成电路的计算密度和效率.
主要方法:
- 一个微环共振器被用作光子张量处理的核心组件.
- 张量卷积操作是通过操纵多个维度进行的:时间,波长和微波频率.
- 对多波长激光器的精确控制使得共振器的操作状态可以动态调整.
主要成果:
- 开发的PTPU成功执行了多维张量卷积运算.
- 取得了 34.04 TOPS/mm2 的显著光子计算密度.
- 这种密度明显超过当前光子计算芯片的性能基准.
结论:
- 基于微环共振器的PTPU为ANN中高效的张量处理提供了有前途的解决方案.
- 这一进步解决了人工智能加速的电子计算中的关键瓶.
- 实现高计算密度为下一代高性能光子AI硬件铺平了道路.
相关概念视频
Ampere-Maxwell's Law: Problem-Solving
747
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
747
Propagation Speed of Electromagnetic Waves
3.9K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.9K
Imaging Biological Samples with Optical Microscopy
5.2K
Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
5.2K
Electromagnetic Waves
9.2K
James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws...
9.2K
Parallel Processing
220
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
220
Electromagnetic Waves in Matter
3.3K
Electromagnetic waves can travel in the vacuum as well as in matter. For example light, which is an electromagnetic wave, can travel through air, water, or glass.
Consider the electromagnetic wave passing through a dielectric medium. In such a case, Maxwell's equations get modified. In Ampere's law, ε0 , the dielectric permittivity of free space is replaced with ε, the permittivity of dielectric. Also, the vacuum permeability μ0 is replaced by the permeability of the...
Consider the electromagnetic wave passing through a dielectric medium. In such a case, Maxwell's equations get modified. In Ampere's law, ε0 , the dielectric permittivity of free space is replaced with ε, the permittivity of dielectric. Also, the vacuum permeability μ0 is replaced by the permeability of the...
3.3K


