Micro-Ring Modulator Temperature Compensation for Stable Efficiency
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Solution Overview
Problem
Existing methods for stabilizing the modulation efficiency of silicon-based micro-ring modulators are inefficient due to their sensitivity to ambient temperature changes.
Innovation Solution
A correspondence generation method is employed to determine peak control parameter values at various test temperatures, establishing a relationship between ambient temperatures and these parameters, which is then stored in a control apparatus to adjust the micro-ring modulator's temperature and maintain optimal modulation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing stabilization methods are used for micro-ring modulators, then the modulator can operate, but the modulation efficiency stability is poor due to temperature sensitivity
Solution Approach 1:
The patent pre-establishes a correspondence relationship between ambient temperatures and peak control parameter values through offline testing at multiple temperature points. This preliminary action creates a lookup table that enables rapid online compensation without real-time iteration, directly addressing the temperature sensitivity issue while maintaining modulation efficiency stability.
Solution Approach 2:
The patent replaces complex real-time iterative mechanical/physical stabilization mechanisms with a data-driven computational approach. By substituting physical trial-and-error stabilization with algorithmic lookup based on pre-collected temperature-parameter correspondence data, the system achieves faster response and better stability.
2Reliability
If real-time temperature compensation is implemented, then modulation efficiency stability improves, but the response speed may be reduced due to complex calculations
Solution Approach 1:
The patent performs all complex calculations and data collection in advance during offline testing, establishing a complete correspondence relationship between temperatures and optimal control parameters. During online operation, only simple lookup and interpolation are needed, achieving both high stability and fast response speed simultaneously.
Solution Approach 2:
The patent implements a dynamic compensation mechanism that adapts to real-time temperature changes by selecting appropriate control parameters from the pre-established correspondence relationship. This dynamic adjustment ensures optimal performance across varying operating conditions without requiring complex real-time computations.
3Measurement precision
If multiple test temperatures are used to establish correspondence, then the accuracy of temperature compensation improves, but the testing time and complexity increase
Solution Approach 1:
The patent selects key representative temperature points for testing rather than exhaustively testing all possible temperatures. This partial action approach captures the essential temperature-parameter relationship characteristics while significantly reducing testing time, achieving good enough accuracy for practical applications.
Solution Approach 2:
The patent changes the testing strategy by focusing on critical temperature points where the modulator's performance characteristics change significantly. By identifying and testing only these critical parameters rather than all parameters uniformly, the system achieves high compensation accuracy with reduced testing overhead.
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 approach enhances the stability and reaction speed of modulation efficiency by directly responding to temperature changes, facilitating mass production and improving the consistency of micro-ring modulators.
Implementation Method 1
Silicon-based optoelectronic devices have achieved a great progress in recent years due to their advantages, such as being compatible with a complementary metal oxide semiconductor (CMOS), having a small size, having a good thermo-optic effect and a plasma dispersion effect
Implementation Method 2
determining a correspondence between ambient temperatures of the micro-ring modulator and the peak control parameter values... outputting a peak control parameter value of each micro-ring modulator corresponding to the current ambient temperature
Data Source
AI summary
The present disclosure provides a correspondence generation method for a micro-ring modulator, including: determining peak control parameter values of the micro-ring modulator at test temperatures, respectively, with each peak control parameter value being a value of a control parameter enabling modulation efficiency of the micro-ring modulator to reach a peak; and determining a correspondence between ambient temperatures of the micro-ring modulator and the peak control parameter values. The present disclosure further provides a control method for a micro-ring modulator, a control apparatus for a micro-ring modulator, a control system for a micro-ring modulator, and a computer-readable medium.