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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 9, Iss. 2 — Feb. 1, 1992
  • pp: 243–250

Nonlinear effects in elliptical-core few-mode optical fibers

S. J. Garth and C. Pask  »View Author Affiliations


JOSA B, Vol. 9, Issue 2, pp. 243-250 (1992)
http://dx.doi.org/10.1364/JOSAB.9.000243


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Abstract

We examine the nonlinear interaction between the linearly polarized modes on a few-mode elliptical-core optical fiber. Three modes are involved in this process: the fundamental (LP<sub>01</sub>) mode and the two second-order symmetry modes, LP<sub>11</sub> (even) and LP<sub>11</sub> (odd), which have slightly different propagation constants. In practical situations the large δβ = β<sub>01</sub> – β<sub>11</sub> (β is the propagation constant) precludes any significant coupling between the fundamental and either of the LP<sub>11</sub> modes; however, coupling between the two LP<sub>11</sub> symmetry modes may occur for sufficient pump intensities. Exact and approximate analytic expressions are given.

© 1992 Optical Society of America

Citation
S. J. Garth and C. Pask, "Nonlinear effects in elliptical-core few-mode optical fibers," J. Opt. Soc. Am. B 9, 243-250 (1992)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-9-2-243

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