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Optical Engineering

Passive fiber optic bus using bidirectional integrated optic bus access couplers
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Paper Abstract

The feasibility of a passive fiber optic bus that uses bidirectional integrated optics bus access couplers is studied. The number of bus nodes can be increased when an optimized asymmetric bus access coupler is used instead of a symmetric one. A modified Ag-Na ion exchange process provides the possibility of manufacturing integrated optics asymmetric couplers for the bus. The process is suitable for the processing of integrated optics components that combine deep multimode waveguides with different core sizes on a single substrate. An access coupler is designed, modeled, and processed. The coupler is optimized for seven nodes; the asymmetry of the coupler is 5 dB.

Paper Details

Date Published: 1 September 1995
PDF: 9 pages
Opt. Eng. 34(9) doi: 10.1117/12.208109
Published in: Optical Engineering Volume 34, Issue 9
Show Author Affiliations
Pentti Karioja, VTT Electronics (Finland)
Simo K. T. Tammela, Technical Research Ctr. of Finland (Finland)
Ari Tervonen, Optonex Ltd. (Finland)
Seppo Honkanen, Nokia Research Ctr. (United States)


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