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Adaptive alignment packaging for 2-D arrays of free-space optical-interconnected optoelectronic systems

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3 Author(s)
Tsung-Yi Yang ; Copley Networks, City of Industry, CA, USA ; Gourlay, J. ; Walker, A.

An adaptive alignment scheme for packaging two-dimensional (2D) arrays of optoelectronic systems interconnected by free-space optics is presented. A method of using three quadrant detectors to detect alignment errors in six degrees of freedom is described. However, the complexity of this system increases due to the interactions among the detected error signals. A novel control algorithm is presented to eliminate the interaction and simplify the design of the closed-loop feedback control. A computer simulation compares different algorithms and shows the effectiveness of the proposed algorithm. An experimental closed-loop feedback system demonstrated the principle of the error detection and correction of the proposed system with initial errors in multiple degrees of freedom

Published in:

Advanced Packaging, IEEE Transactions on  (Volume:25 ,  Issue: 1 )

Date of Publication:

Feb 2002

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