Optical Assembly Impedance Control via Segmented Driver Unit
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing optical assemblies have high power consumption, which negatively impacts their performance and requires manual adjustment of parameters to meet standard requirements, leading to potential mismatches in matching networks and optical assemblies.
Innovation Solution
An optical component apparatus with a laser driver and matching network on a board, along with an eye pattern determining chip that adjusts impedance automatically to ensure the eye pattern performance meets preset standards, reducing size and power consumption by separating the laser driver and matching network from the optical assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the laser driver and matching network are integrated into the optical assembly, then the optical assembly can be delivered with pre-adjusted parameters, but the power consumption increases and the size increases
Solution Approach 1:
The patent divides the optical component system into separate modules: the optical assembly (containing the laser) and the driver unit (containing the laser driver and matching network). This segmentation allows the optical assembly to be compact and low-power while the driver unit handles the power-intensive adjustment functions externally.
Solution Approach 2:
The laser driver and matching network are extracted from the optical assembly and placed in a separate driver unit. This extraction removes the power-consuming components from the optical assembly, reducing its power consumption and size while maintaining the ability to perform parameter adjustments.
2Manufacturing precision
If the laser driver and matching network are integrated into the optical assembly, then the optical assembly can be delivered with pre-adjusted parameters, but the size of the optical assembly increases
Solution Approach 1:
The patent divides the optical component system into separate modules: the optical assembly (containing the laser) and the driver unit (containing the laser driver and matching network). This segmentation allows the optical assembly to be compact and low-power while the driver unit handles the power-intensive adjustment functions externally.
Solution Approach 2:
The laser driver and matching network are extracted from the optical assembly and placed in a separate driver unit. This extraction removes the power-consuming components from the optical assembly, reducing its power consumption and size while maintaining the ability to perform parameter adjustments.
3Reliability
If manual adjustment of matching network parameters is performed, then the eye pattern performance can be optimized, but the complexity of the adjustment process increases and potential mismatches occur
Solution Approach 1:
The eye pattern determining chip automatically tests and evaluates the eye pattern performance, and the controller automatically adjusts the matching network parameters based on the test results. This self-service mechanism eliminates manual intervention, reducing adjustment complexity and ensuring consistent optimal performance.
Solution Approach 2:
The system implements a feedback loop where the eye pattern determining chip continuously monitors the output signal quality and provides feedback to the controller, which then adjusts the matching network parameters accordingly. This closed-loop feedback ensures optimal eye pattern performance is achieved and maintained automatically.
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 size and power consumption of optical assemblies, improves performance by automatically adjusting impedance to meet preset eye pattern standards without manual intervention, ensuring consistent performance across different optical assemblies.
Implementation Method 1
an optical assembly, where the optical assembly includes an electro-absorption modulated laser
Data Source
Figure 1
Figure 2
Figure 3
AI summary
This application discloses an optical component apparatus, an optical assembly (20), an optical component, and an optical line terminal. The optical component apparatus includes: a board (100), where at least one driver unit (10) is disposed on the board (100), and the driver unit (10) includes: a laser driver (11), and a matching network (12) and a first connecting piece (13) that are connected to an output end of the laser driver (11); at least one optical assembly (20), where the optical assembly (20) includes an electro-absorption modulated laser (21) and a second connecting piece (22) that is connected to the electro-absorption modulated laser (21), and the first connecting piece (13) and the second connecting piece (22) are detachably electrically connected, where the laser driver (11) outputs a modulation signal (B) to the electro-absorption modulated laser (21), and the electro-absorption modulated laser (21) inputs a laser signal based on the modulation signal (B); and an eye pattern determining chip (30), where the eye pattern determining chip (30) adjusts impedance of the matching network (12) based on the laser signal output by the electro-absorption modulated laser (21), until eye pattern performance of the laser signal that is output by the electro-absorption modulated laser (21) meets a preset standard. The optical component apparatus can reduce a size of the optical assembly (20), reduce power consumption of the optical assembly (20), and improve performance of the optical assembly (20).