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Related Experiment Video

Updated: Jun 12, 2026

Gradient Echo Quantum Memory in Warm Atomic Vapor

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Published on: November 11, 2013

Design for a massive all-optical bidirectional associative memory: the big BAM.

J M Kinser, H J Caulfield, J Shamir

|June 12, 2010

Summary

This study introduces an optical bidirectional associative memory with potential for 1 million neurons and 1 trillion connections. All operations, except input/output, are optical and parallel, enabling high-speed computation.

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Area of Science:

Optics
Neuroscience
Computer Science

Background:

Bidirectional associative memory (BAM) systems are crucial for pattern recognition and information retrieval.
Current BAM implementations face limitations in scalability and processing speed.

Purpose of the Study:

To describe a novel optical bidirectional associative memory (BAM).
To highlight the potential for large-scale neural network implementation.

Main Methods:

Utilizing optical processing for all internal operations.
Designing a system capable of parallel processing.

Main Results:

The proposed optical BAM offers potential for up to 10^6 neurons.
The system supports an unprecedented 10^12 interconnections.
Internal operations are exclusively optical and parallel.

Conclusions:

Optical BAM technology presents a scalable solution for complex associative memory tasks.
Parallel optical processing is key to achieving high neuron and interconnection counts.