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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. 7 — Jul. 1, 2002
  • pp: 1521–1534

Scalable antiguided ribbon laser

Raymond J. Beach, Michael D. Feit, Ralph H. Page, LeAnn D. Brasure, Russell Wilcox, and Stephen A. Payne  »View Author Affiliations


JOSA B, Vol. 19, Issue 7, pp. 1521-1534 (2002)
http://dx.doi.org/10.1364/JOSAB.19.001521


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Abstract

A new scalable fiber laser approach to phase locking of multiple gain cores in an antiguided structure is described and modeled. In essence, the waveguide comprises a periodic sequence of gain-loaded and no-gain segments that has a uniform refractive index (referred to as the ribbon) encapsulated within a reduced-index cladding region. Our calculations reveal that the constant-index profile within the ribbon structure provides optimal mode discrimination; the refractive index must be constant within ±0.001 to ensure single-mode operation for a five-core design. One-dimensional and two-dimensional calculations are pursued to support the design criteria. Slight periodic variation in the refractive index of the ribbon laser leads to the emergence of a photonic bandgap, in analogy to so-called holey fibers. Our constant-index design, together with the periodic gain profile, may be described as a photonic metal.

© 2002 Optical Society of America

OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber

Citation
Raymond J. Beach, Michael D. Feit, Ralph H. Page, LeAnn D. Brasure, Russell Wilcox, and Stephen A. Payne, "Scalable antiguided ribbon laser," J. Opt. Soc. Am. B 19, 1521-1534 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-7-1521

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