Abstract

We report an optical coupler suitable for use as an access coupler in a data bus T-system with single multimode fibers as transmission lines. The in- and out-coupling factors are determined by a lateral displacement of the main trunk-fibers which are butt joined. The fabrication of the coupler takes advantage of a simple, sufficiently reproducible, and cheap planar photolithographic process. Using fibers with 100-μm o.d. and 90-μm core diam a total insertion loss of about 1.5 dB and an out-coupling of about –14 dB was measured with a lateral displacement of 20 μm.

© 1977 Optical Society of America

Optimized layout for a data bus system based on a new planar access coupler

F. Auracher and H.-H. Witte
Appl. Opt. 16(12) 3140-3142 (1977)

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M. Stockmann and H.-H. Witte
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Optical bypass switch for fiber-optic data bus systems

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Optical access couplers and a comparison of multiterminal fiber communication systems

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Fiber optic data distribution systems utilizing variable tap ratio optical couplers

Brian E. Kincaid
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