Fiber array-to-photonic-chip fixation and fine tuning using laser support adjustment

A concept for coupling lensed fiber arrays to photonic optical chips in the submicrometer range by using metal deformation is presented. Fine-tuning is possible despite already secured positions between the parts due to precisely chosen step-by-step deformations in the constructions. The smallest fine-tuning step of 0.1 /spl mu/m is measured using laser support adjustment. The system is packaged and can be temperature controlled. At a constant chip temperature of 22/spl deg/C, the package is successfully tested at an ambient temperature range of 0/spl deg/C to 60/spl deg/C.

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