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Optics Letters

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  • Vol. 21, Iss. 12 — Jun. 15, 1996
  • pp: 863–865

Enhanced power transfer and mode coupling in spun twin-core optical fibers

J. Nathan Kutz and David J. Muraki  »View Author Affiliations


Optics Letters, Vol. 21, Issue 12, pp. 863-865 (1996)
http://dx.doi.org/10.1364/OL.21.000863


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Abstract

In a twin-core optical fiber a propagating light pulse periodically transfers power between its two cores. Experiments by Tjugiarto et al. [Opt. Lett. 17, 1058 (1992)] have demonstrated that this coupling length is considerably reduced when the fiber is also spun. A coupled-mode analysis reveals a pitch resonance that couples a cladding mode with the circularly polarized core mode whose handedness matches that of the helical twist of the cores. This resonance mechanism explains the observation of enhanced coupling and cladding-mode cross coupling.

© 1996 Optical Society of America

History
Original Manuscript: December 20, 1995
Published: June 15, 1996

Citation
J. Nathan Kutz and David J. Muraki, "Enhanced power transfer and mode coupling in spun twin-core optical fibers," Opt. Lett. 21, 863-865 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-12-863


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