Optical Module Memory for External Controller Adaptation

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Solution Overview

Problem

Current fiber-optic networking components are expensive and not widely implemented in computer systems due to high manufacturing costs, and conventional copper wire and wireless networks are approaching their bandwidth limits, causing bottlenecks in data transmission.

Innovation Solution

The development of an optical module with a laser source and memory module that allows for external control and modulation, enabling efficient and economical implementation of fiber-optic communications by storing operating characteristics in memory for adaptive operation with external controllers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If fiber-optic networking components are implemented, then bandwidth and data transmission capability are improved, but manufacturing cost increases

Engineering Contradiction:
ImprovebandwidthVSAvoidmanufacturing cost
Core Design Contradiction:
SpeedVSEase of manufacture

Solution Approach 1:

The optical device is divided into separate functional modules: a laser module containing the laser source and operating characteristics data, and a controller module that reads and processes the stored characteristics. This segmentation allows each module to be manufactured and tested independently, reducing overall manufacturing complexity and cost while maintaining high bandwidth performance.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The operating characteristics of the laser source are pre-measured and stored in memory during the manufacturing process. This preliminary characterization eliminates the need for complex real-time calibration and testing during system assembly, significantly reducing manufacturing costs while ensuring optimal bandwidth performance.

Inventive Principle:
Principle #10Preliminary action

2Ease of manufacture

If conventional copper wire and wireless networks are used, then manufacturing cost is reduced, but bandwidth capacity is limited

Engineering Contradiction:
Improvemanufacturing costVSAvoidbandwidth capacity
Core Design Contradiction:
Ease of manufactureVSSpeed

Solution Approach 1:

The laser source automatically provides its own operating characteristics through the stored data in memory, eliminating the need for external calibration equipment or complex setup procedures. This self-characterization approach makes fiber-optic implementation as cost-effective as copper networks while providing superior bandwidth capacity.

Inventive Principle:
Principle #25Self-service

3Device complexity

If laser sources are used without stored operating characteristics, then device complexity is reduced, but adaptability and efficiency decrease

Engineering Contradiction:
Improvedevice complexityVSAvoidadaptability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

A memory component acts as an intermediary between the laser source and the controller, storing pre-measured operating characteristics. This simple addition provides high adaptability without increasing overall device complexity, as the memory module is a standard, low-cost component that enables efficient laser operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

This solution reduces the cost of implementing fiber-optic communications and allows for scalable bandwidth, overcoming the limitations of copper wire and wireless networks by enabling efficient data transmission with adaptable optical modules.

Implementation Method 1

The optical module includes a laser for generating optical signals for transmission on an optical network

Methodology Applied
Scientific EffectLaser: Laser

Implementation Method 2

The optical module includes a photosensitive device for receiving optical signals from a fiber-optic network

Methodology Applied
Scientific EffectPhotoelectric Effect: Photoelectric Effect

Data Source

PatentUS8068739B2Modular optical device that interfaces with an external controller
Publication Date: 2011.11.29 II VI DELAWARE INC
  • US8068739B2 patent drawing
  • US8068739B2 patent drawing
  • US8068739B2 patent drawing

AI summary

Optical modules described herein include optical components such as lasers or photodiodes for communicating on fiber-optic networks. The lasers and photodiodes have analog interface such that the lasers and photodiodes can be controlled by a controller external to the optical modules. The optical modules also include memory modules. The memory modules store operating characteristics of the lasers and photodiodes. The operating characteristics can be read via digital interfaces that are connected to the memory modules. This allows the controller to appropriately adjust signals such that a randomly selected controller may be used with a randomly selected optical module.