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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 19, Iss. 6 — Jun. 1, 2002
  • pp: 1259–1263

Efficiency of pump absorption in double-clad fiber amplifiers. II. Broken circular symmetry

Dmitrii Kouznetsov and Jerome V. Moloney  »View Author Affiliations


JOSA B, Vol. 19, Issue 6, pp. 1259-1263 (2002)
http://dx.doi.org/10.1364/JOSAB.19.001259


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Abstract

Absorption of an incoherent pump in a double-clad fiber amplifier is analyzed in the paraxial wave approximation. Different inner cladding shapes are considered. A small spiral distortion of an otherwise circular inner cladding shape is shown to enhance the coupling efficiency significantly relative to other geometries.

© 2002 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber

Citation
Dmitrii Kouznetsov and Jerome V. Moloney, "Efficiency of pump absorption in double-clad fiber amplifiers. II. Broken circular symmetry," J. Opt. Soc. Am. B 19, 1259-1263 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-6-1259

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