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Optical Engineering

Silica-based integrated optic components for telecommunications applications
Author(s): James J. G. Allen; Simon P. Shipley; Noorallah Nourshargh
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Paper Abstract

Waveguide devices have been produced comprising germania-doped silica cores and silica claddings on silica substrates, using microwave plasma assisted chemical vapor deposition and reactive-ion etching. This all-silica structure offers the maximum compatibility between fibers and waveguides in terms of both optical and physical properties. The all-silica philosophy is extended to the use of laser-cut silica V grooves in the construction of input/output fiber arrays. An important feature of this approach is that it enables fiber/waveguide interfacing by CO2 laser welding of the respective silica blocks without the introduction of any significant additional loss. Both the waveguide fabrication and laser-welding processes are well suited to large-scale production of low-cost components.

Paper Details

Date Published: 1 May 1993
PDF: 4 pages
Opt. Eng. 32(5) doi: 10.1117/12.133293
Published in: Optical Engineering Volume 32, Issue 5
Show Author Affiliations
James J. G. Allen, GEC-Marconi Ltd. (United Kingdom)
Simon P. Shipley, GEC-Marconi Ltd. (United Kingdom)
Noorallah Nourshargh, GEC-Marconi Ltd. (United Kingdom)


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