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Optical neuro-mimetic devices

A technology of nerve transmission and nerve function, applied in the field of optical nerve simulation device and manufacturing, can solve problems such as low dynamic range, inability to increase dynamic range according to needs, system control limitations, etc.

Pending Publication Date: 2021-11-26
GLOBALFOUNDRIES U S INC MALTA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, artificial intelligence (AI) computations using conventional photonics have low dynamic range, e.g., the inability to increase dynamic range and “tune” as needed
Therefore, the control of these systems is limited

Method used

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  • Optical neuro-mimetic devices
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  • Optical neuro-mimetic devices

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Embodiment Construction

[0019] The present disclosure relates to semiconductor structures, and more particularly to optical neurosimulation devices and fabrication methods. More specifically, the present disclosure relates to optical neural simulation devices and fabrication methods for photonics artificial intelligence applications. Advantageously, the present disclosure provides improved performance, accuracy and bandwidth, with controlled high dynamic range capability and ease of tuning. Furthermore, the optical neural simulator can be easily co-integrated with other electronic and photonic neural networks.

[0020] More specifically, the present disclosure proposes hybrid photonic-electronic neurons that can mimic the behavior (e.g., neural function) of ReLU and Sigmoid neurons with a high tunable dynamic range. For example, the dynamic range provided by hybrid photonic-electronic neurons can be easily controlled by several photodetectors. This circumvents the main challenge faced by known devi...

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Abstract

The present disclosure relates to semiconductor structures and, more particularly, to optical neuro-mimetic devices and methods of manufacture. The structure includes: a plurality of photodetectors and electrical circuitry that converts photocurrent generated from the photodetectors into electrical current and then sums up the electrical current to mimic neural functionality.

Description

technical field [0001] The present disclosure relates to semiconductor structures, and more particularly to optical neurosimulation devices and fabrication methods. Background technique [0002] Neurosimulated intelligence (also known as neuromorphic computing) is a type of artificial intelligence in which computing systems apply fundamental concepts of neural processes to build intelligent systems. Current artificial intelligence systems are slow because they rely heavily on electronic circuits operating at frequencies in the GHz range. [0003] Conventional photonic devices are used for photonic functions and have recently begun to be realized in optical neurosimulators. Photonic systems operate much faster than electronic circuit systems, for example, photonic systems can move towards THz operation. However, photonic systems are not "smart" systems, they are primarily data receiving and sending units. Additionally, artificial intelligence (AI) computations using conven...

Claims

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Application Information

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IPC IPC(8): G06N3/067
CPCG06N3/0675H01L27/1446G06N3/048G06N3/067H01L27/1443H01L31/02325H01L31/02019
Inventor A·R·贾斯瓦尔A·P·雅各布卞宇生M·拉科夫斯基
Owner GLOBALFOUNDRIES U S INC MALTA