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Alignment algorithm in integrated photonic devices packaging process

Author: ChenZhuangZhuang
Tutor: DuanJiAn
School: Central South University
Course: Mechanical and Electronic Engineering
Keywords: Integrated photonic devices alignment coupling alignment deviation hill-climbing algorithm pattern search algorithm
CLC: TN256
Type: Master's thesis
Year: 2009
Downloads: 5
Quote: 0
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Abstract


As information technology in the 21st century, the rapid development of integrated photonic devices are increasingly widely used in optical fiber communication, optical fiber communication devices continuing to promote integration and miniaturization direction, its function and reliability has increased significantly. At present, the chip manufacturing and device packaging is constraining the development of integrated photonic devices bottleneck, while the alignment coupling technology is the integration of photonic devices accurately targeting key encapsulation process is the basis for the device to achieve related functions.Based on optical waveguide theory, integrated photonic chips and optical fiber array alignment coupling model analysis of horizontal dislocation, dislocation and angle of deviation of vertical integration of photonic devices on the influence of the alignment coupling for the alignment algorithm for the simulation study provides theoretical support.Based on integrated photonic chips and optical fiber array of field intensity distribution theory, the field distribution of the fiber array of theoretical models, complete field strength distribution of fiber array experiment. According to the experimental data and experimental results, analysis of integrated photonic chips and optical fiber array of field-strength distribution for the study of precise alignment in the process of laying the alignment coupling algorithm experimental basis.Based on integrated photonic chips and optical fiber array alignment coupling model, completed the hill-climbing algorithm and pattern search algorithms for simulation, analysis of the two algorithms in integrated photonic devices targeting the strengths and weaknesses coupled search process, and ultimately determine the pattern search algorithm for As a coupling alignment algorithm.In this paper,the German ficonTEC Optical alignment platform for the completion of an integrated photonic chips and optical fiber array of precision alignment coupling experiment, experimental results show that, compared with the hill-climbing algorithm, pattern search algorithm of the search process can be reduced 73% of the mobile platform, the amount of precise alignment to reduce search time 87.9%, and the alignment success rate of 100%.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Optical waveguide and integrated optics > Integrated optical devices
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