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Optical Engineering

Laser welding for fiber pigtailing with long-term stability and submicron accuracy
Author(s): Bernd Valk; Rainer K. Baettig; Olivier Anthamatten
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Paper Abstract

Laser welding as a means for optical packaging, providing long-term stability and submicron precision, has been implemented for fixing single-mode fibers or fiber arrays to integrated optical waveguides of GaAs and InP optoelectronic chips. Fixing accuracies better than 0.5 μm are achieved by applying a new method of corrective welding. Devices such as high-power LEDs featuring low spectral modulation, 980-nm laser diodes, integrated reflective Mach-Zehnder modulators (GaAs), and 1 x 2 InP switches have been packaged and used in system test beds.

Paper Details

Date Published: 1 September 1995
PDF: 8 pages
Opt. Eng. 34(9) doi: 10.1117/12.200621
Published in: Optical Engineering Volume 34, Issue 9
Show Author Affiliations
Bernd Valk, Ascom Tech AG (Switzerland)
Rainer K. Baettig, Ascom Tech Ltd. (Switzerland)
Olivier Anthamatten, Ascom Tech AG (Switzerland)

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