Single Fiber Combining Module for Multi-Technology Wavelength Integration
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Solution Overview
Problem
Conventional fiber optic systems require dedicated fibers for different optical technologies, leading to inefficiencies in fiber usage and increased costs, especially in scenarios where multiple technologies need to be supported over the same network.
Innovation Solution
A Single Fiber Combining Module (SFCM) that filters multiple wavelength channels of different optical technologies, such as O-band, XGS-PON, and DWDM, over a single fiber, allowing these technologies to interoperate and share the same fiber infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated fibers are used for different optical technologies, then each technology can operate independently and reliably, but fiber usage efficiency decreases and costs increase
Solution Approach 1:
The patent combines multiple optical technologies (O-band, XGS-PON, DWDM) onto a single fiber by using wavelength division multiplexing. Each technology operates on a distinct wavelength range, allowing simultaneous transmission without interference. The SFCM integrates multiple filtering functions to separate and combine these wavelength channels, achieving both fiber consolidation and technology independence.
Solution Approach 2:
The SFCM serves as a universal device that handles multiple optical technologies simultaneously. It provides a common port that can combine signals from different technology types (O-band, XGS-PON, DWDM) while maintaining their individual characteristics through wavelength-specific filtering, making the fiber infrastructure multi-functional.
2Quantity of substance
If multiple wavelength channels are combined over a single fiber, then fiber usage efficiency improves and costs reduce, but signal filtering and separation complexity increases
Solution Approach 1:
The SFCM divides the optical spectrum into distinct wavelength segments, each allocated to a specific technology. It uses multiple bandpass filters that segment the signal paths based on wavelength ranges, allowing clean separation of O-band, XGS-PON, and DWDM channels while maintaining manageable device complexity through systematic filtering architecture.
3Adaptability or versatility
If different optical technologies share the same fiber, then infrastructure flexibility and efficiency improve, but wavelength channel interference may occur
Solution Approach 1:
The patent applies local quality by assigning specific wavelength ranges to different technologies at specific ports of the SFCM. Each technology receives a tailored wavelength allocation (O-band for one technology, XGS-PON for another, DWDM for another), ensuring that each signal type operates in its optimal wavelength window without interfering with others, thus maintaining signal quality while enabling shared fiber infrastructure.
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 SFCM enables significant fiber savings, reduces costs, and maintains performance by allowing different optical technologies to coexist on a single strand of fiber, enhancing the efficiency and flexibility of fiber optic networks.
Implementation Method 1
a single fiber combining module (SFCM) that combines multiple wavelength channels of different optical technologies
Data Source
AI summary
A system may use a single fiber combining module (SFCM) that combines multiple wavelength channels of different optical technologies over a single fiber. In an example, a SFCM may include a original band (O-band) port, wherein the O-band passes signals at a first wavelength range; a XGS PON port, wherein the XGS-PON port passes signals at a second wavelength range; a dense wavelength division multiplexing (DWDM) port, wherein the DWDM port passes signals at a third wavelength range, wherein the first frequency range, the second frequency range, and the third wavelength range are different; and a common port connected with a fiber, the common port simultaneously combining signals from the O-band port, XGS-PON port, and the DWDM port.