Photonic Computing Output Calibration for Signal Accuracy

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

In photonic computing systems, manufacturing errors and deviations in output signals make it difficult to accurately predict and align the output signal with its intended design, leading to inaccuracies in computation results.

Innovation Solution

A method and system for establishing a corresponding relationship between theoretical mathematical results and actual output signals, involving optical and electronic computations, to store and utilize this relationship for error analysis and input/output characteristic study.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If photonic computing is used to perform computation in photonic domain, then computation speed is improved, but output signal accuracy deteriorates due to manufacturing errors and deviations

Engineering Contradiction:
Improvecomputation speedVSAvoidoutput signal accuracy
Core Design Contradiction:
SpeedVSMeasurement precision

Solution Approach 1:

The patent establishes a feedback mechanism by creating a corresponding relationship between theoretical mathematical results and actual output signals. The system stores the relationship between expected computation results and actual photonic output signals, then uses this stored correspondence to correct and interpret subsequent output signals, thereby improving accuracy while maintaining high-speed photonic computation

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent creates a copy of the theoretical mathematical results in the form of stored corresponding relationships. By storing the expected output signals and their correspondence to theoretical results, the system can compare actual outputs against these stored copies to accurately interpret photonic computation results despite manufacturing deviations

Inventive Principle:
Principle #26Copying

2Adaptability or versatility

If photonic computing device is manufactured, then computation capability is improved, but manufacturing precision deteriorates leading to errors in output signals

Engineering Contradiction:
Improvecomputation capabilityVSAvoiddevice manufacturing accuracy
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent converts the harmful effect of manufacturing errors into a beneficial calibration process. By intentionally measuring and storing the actual output signals against theoretical results, the system creates a correction map that transforms the inherent imperfections of photonic devices into known, compensable characteristics, enabling accurate computation despite manufacturing limitations

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Measurement precision

If corresponding relationship between theoretical result and output signal is established, then output signal interpretation accuracy is improved, but system complexity increases

Engineering Contradiction:
Improveoutput signal interpretation accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent applies preliminary action by pre-establishing and storing the corresponding relationships between theoretical mathematical results and actual photonic output signals before actual computation tasks. This calibration phase is performed once, and the stored correspondence is then reused for multiple computations, improving interpretation accuracy without adding complexity to the actual computation process

Inventive Principle:
Principle #10Preliminary action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables accurate interpretation of photonic computing results and analysis of manufacturing errors, allowing for improved computation accuracy and device optimization.

Implementation Method 1

a photoelectric conversion unit configured to convert the second optical signal into the second electrical signal

Methodology Applied
Scientific EffectPhotoelectric conversion: Photoelectric Effect

Data Source

PatentUS20260029815A1Computing system and method for processing photonic computing result
Publication Date: 2026.01.29 NANJING GUANGZHIYUAN TECH CO LTD
  • US20260029815A1 patent drawing
  • US20260029815A1 patent drawing
  • US20260029815A1 patent drawing

AI summary

Disclosed is a computing system and a method for processing a photonic computing result. The method includes: generating a first optical signal, wherein the first optical signal represents first data; performing a first computation on the first optical signal in a photonic domain to obtain a second optical signal representing a computation result; establishing a corresponding relationship between a theoretical mathematical result of the first computation and the second optical signal; and storing the theoretical mathematical result and a parameter of the corresponding second optical signal.