Optical fan-out schemes for optical processing
The beam replication arrangement using diffractive optical elements addresses the limitations of optical processors by enabling efficient parallel processing of input signals through spatially-separated replica beams with varying intensities, improving speed and reducing complexity.
WO2026115035A1PCT designated stage Publication Date: 2026-06-04LUMAI LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- LUMAI LTD
- Filing Date
- 2025-11-27
- Publication Date
- 2026-06-04
AI Technical Summary
Technical Problem
Existing optical processors face limitations in efficiently replicating optical input signals for parallelized computations, leading to suboptimal processing speed and efficiency in tasks like matrix-vector operations.
Method used
A beam replication arrangement using diffractive optical elements to produce spatially-separated replica beams with varying intensities, allowing for both optical fan-out and weighted fan-out, enabling efficient parallel processing of input signals.
Benefits of technology
Enhances parallelization and processing speed of optical computations by allowing entire N-bit matrix multiplications to be processed in parallel, reducing manufacturing complexity and costs while maintaining high accuracy.
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Smart Images
Figure EP2025084530_04062026_PF_FP_ABST
Abstract
A beam replication arrangement for use in an optical processing system that comprises at least one diffractive optical element (DOE). The DOE is configured to receive a plurality of input beams of light encoding an input vector, and produce a plurality of spatially-separated replica beams of each input beam. The plurality of replica beams comprises, for each input beam, a plurality of first replica beams and a plurality of weighted replica beams. Intensities of the first replica beams are an integer multiple of intensities of the weighted replica beams, where the integer multiple is greater than one.
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