Wavelength Multiplexer Module With Dynamic Optical Blocking
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Solution Overview
Problem
Conventional multiplexer/demultiplexer modules in optical communication systems require modification or replacement when service changes, such as shifts in optical signal wavelengths, leading to increased difficulty in service adjustments.
Innovation Solution
A multiplexer module with an optical coupling unit and optical blocking units that allow coupling only when the optical signal from a client-side device does not conflict with existing wavelengths, using integrated detection and blocking mechanisms to avoid unnecessary module modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional multiplexer/demultiplexer module is used to combine or separate optical signals with fixed wavelengths, then the module structure is simple and stable, but the module needs to be modified or replaced when service wavelengths change, increasing service adjustment difficulty
Solution Approach 1:
The patent introduces dynamically controllable optical blocking units that can be adjusted in real-time based on wavelength requirements. These units include control circuits that receive wavelength information and dynamically block or pass optical signals accordingly, transforming the static multiplexer into a dynamic system that adapts to changing service wavelengths without requiring physical modification or replacement of the module.
Solution Approach 2:
The patent changes the operational parameters of the multiplexer module by introducing controllable blocking units that can adjust their transmission characteristics based on wavelength. The control circuits modify the state (blocked or passed) of optical signals dynamically, allowing the same hardware to operate with different wavelength configurations, thus resolving the contradiction between structural stability and service adaptability.
2Adaptability or versatility
If optical blocking units with detection functions are added to enable flexible wavelength handling, then service adjustment flexibility is improved, but the module size increases
Solution Approach 1:
The patent merges the detection function and blocking function into integrated optical blocking units. The detection circuits are combined with the blocking units, allowing wavelength detection and signal blocking to be performed by the same component. This integration reduces the overall module size compared to having separate detection and blocking systems, while still providing flexible wavelength handling capabilities.
Solution Approach 2:
The optical blocking units are designed to perform multiple functions: they detect optical signals, determine their wavelengths, and selectively block or pass them based on the detected wavelength. This multi-functionality reduces the need for separate components, thereby minimizing module size while maintaining adaptability for different wavelength configurations.
3Ease of operation
If integrated detection and blocking mechanisms are implemented, then service adjustment difficulty is reduced, but the device complexity increases
Solution Approach 1:
The patent implements self-service functionality where the optical blocking units automatically detect optical signals, determine their wavelengths, and make blocking decisions without external intervention. The control circuits are integrated within the blocking units, enabling autonomous operation. This self-service capability simplifies service adjustment as the system automatically adapts to wavelength changes without requiring complex external control mechanisms.
Solution Approach 2:
The patent incorporates feedback mechanisms where the detection circuits continuously monitor optical signals and provide wavelength information to the control circuits. The control circuits use this feedback to dynamically adjust the blocking state of optical signals. This closed-loop feedback system automates the service adjustment process, reducing operational difficulty while managing complexity through intelligent control rather than mechanical complexity.
Data Source
AI summary
A multiplexer module, a multiplexer/demultiplexer module, a wavelength division multiplexing apparatus, and a signal transmission method. A multiplexer module includes an optical coupling unit and an optical blocking unit. The optical coupling unit is configured to couple an optical signal input by a first device and an optical signal input by the optical blocking unit for output. The optical blocking unit is configured to receive an optical signal input by a client-side device. In response to a set of all wavelengths included in the optical signal input by the first device not including a wavelength of the optical signal input by the client-side device, send, to the optical coupling unit, the optical signal input by the client-side device.