Optical Sensing Demodulation Module Integration
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Solution Overview
Problem
Existing optical-sensing demodulation systems are large, difficult to integrate, and costly due to the need for multiple optical elements, making them unsuitable for miniaturization and practical applications, particularly in scenarios requiring online monitoring.
Innovation Solution
A compact optical-sensing demodulation module with a package housing featuring integrated functional circuits and optical assemblies, eliminating the need for couplers, collimators, and filters, and utilizing CFP packaging for reduced size and cost, facilitating direct connection with other devices for online monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple optical elements (coupler, collimator, circulator, filter) are used for accurate electro-optical conversion, then measurement precision is improved, but device complexity and volume increase
Solution Approach 1:
The patent combines multiple optical elements (coupler, collimator, circulator, filter) into an integrated optical module, merging their functions into a single compact device that maintains measurement precision while reducing overall system complexity and volume
Solution Approach 2:
The integrated optical module performs multiple functions simultaneously - electro-optical conversion, signal modulation, and demodulation - allowing a single device to replace multiple separate optical elements while maintaining accurate measurement capabilities
2Measurement precision
If multiple optical elements are used for accurate electro-optical conversion, then measurement precision is improved, but volume of the device increases
Solution Approach 1:
The patent merges multiple optical elements into a single integrated optical module, significantly reducing the volume required while maintaining the measurement precision needed for accurate electro-optical and optical-electro conversion
Solution Approach 2:
The integrated optical module nests multiple optical functions within a compact structure, allowing coupler, collimator, circulator, and filter functions to be nested together in a space-efficient arrangement that reduces overall device volume
3Measurement precision
If multiple optical elements are used, then measurement precision is improved, but manufacturing cost increases
Solution Approach 1:
The patent combines multiple optical elements into a single integrated module that can be manufactured as one unit, reducing the number of separate components that need to be procured, assembled, and calibrated, thereby lowering manufacturing costs while maintaining measurement precision
4Ease of operation
If the device is made compact by integrating components, then ease of installation and operation is improved, but device complexity increases
Solution Approach 1:
The patent integrates multiple optical elements into a single compact module with standardized interfaces, making the device easier to install and operate while the internal complexity is managed through modular design and standardized connection protocols
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
The solution results in a highly integrated, miniaturized, and standardized optical-sensing demodulation module that can be easily installed and operated, expanding its application scope and reducing costs by eliminating the need for multiple optical elements, enabling direct integration with OLT, switches, and servers for online monitoring.
Implementation Method 1
the optical receiving assembly connects the first fiber optic interface and the functional circuit and is configured to receive an optical signal input at the first fiber optic interface, convert it into an electrical signal and send it to the functional circuit
Implementation Method 2
the optical transmitting assembly connects the second optical fiber interface and the functional circuit and is configured to receive an electrical signal input from the functional circuit, convert it into an optical signal and send it to the second fiber optic interface
Data Source
AI summary
Provided are optical-sensing demodulation module and optical-sensing system. Optical-sensing demodulation module includes: package housing, functional circuit, optical receiving assembly, and optical transmitting assembly. The first side surface of the package housing is provided with first fiber optic interface and second fiber optic interface. The second side surface is provided with an electrical interface. The functional circuit is connected with the electrical interface. The optical receiving assembly is connected with the first fiber optic interface and the functional circuit. The optical transmitting assembly is connected with the second fiber optic interface and the functional circuit. The functional circuit is provided near the first side surface. The optical receiving assembly and optical transmitting assembly are both provided near the second side surface. The optical receiving assembly and the optical transmitting assembly are provided at intervals along direction in which the first fiber optic interface points to the second fiber optic interface.