Optical waveguides – With optical coupler – Particular coupling function
Patent
1995-12-01
1997-04-29
Bovernick, Rodney B.
Optical waveguides
With optical coupler
Particular coupling function
385 42, 385126, G02B 6245, G02B 6255
Patent
active
056257287
ABSTRACT:
The present invention relates to a method of coupling a multi-core optical fiber to a plurality of single-core optical fibers, the multi-core optical fiber comprising N mutually parallel optical cores (N.gtoreq.4) embedded in common optical cladding, and each of the single-core optical fibers comprising one optical core surrounded by optical cladding. In this method, the coupling is distributed over P coupling levels (2.ltoreq.P<N), each coupling level including at least two single-core optical fibers. The coupling levels are offset longitudinally relative to one another along said multi-core optical fiber, and are such that each of said fibers belonging to the coupling levels is disposed parallel to and facing a core of the multi-core fiber, and is secured to the optical cladding of the multi-core fiber so as to obtain lateral evanescent-wave coupling.
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patent: 5029961 (1991-07-01), Suzuki et al.
patent: 5170450 (1992-12-01), Dahlgren
patent: 5400428 (1995-03-01), Grace
patent: 5524157 (1996-06-01), Yodo et al.
Jurczyszyn Michel
Tardy Andre
ALCATEL N.V.
Bovernick Rodney B.
Kang Ellen Eunjoo
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