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Proceedings Paper

Hybrid large mode area photonic crystal fiber for distributed spectral filtering and single-mode operation
Author(s): Federica Poli; Enrico Coscelli; Thomas T. Alkeskjold; Davide Passaro; Annamaria Cucinotta; Stefano Selleri; Lasse Leick; Jes Broeng
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Paper Abstract

The properties of a large mode area Yb-doped double-cladding hybrid photonic crystal fiber, with antisymmetric high-index inclusions, have been analyzed. Simulations, carried out through a finite-element based modal solver, and experimental measurements have demonstrated the narrow spectral filtering capability of this fiber, with a passband of about 80 nm in the Yb gain region. Moreover, high-order mode suppression has been demonstrated with a proper air-hole size. Finally, the stress-induced birefringence due to the Ge-doped rods used as high-index insets has been investigated, accounting for the polarization-maintaining behaviour of the manufactured fiber.

Paper Details

Date Published: 11 February 2011
PDF: 7 pages
Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79141P (11 February 2011); doi: 10.1117/12.873715
Show Author Affiliations
Federica Poli, Univ. of Parma (Italy)
Enrico Coscelli, Univ. of Parma (Italy)
Thomas T. Alkeskjold, NKT Photonics A/S (Denmark)
Davide Passaro, Univ. of Parma (Italy)
Annamaria Cucinotta, Univ. of Parma (Italy)
Stefano Selleri, Univ. of Parma (Italy)
Lasse Leick, NKT Photonics A/S (Denmark)
Jes Broeng, NKT Photonics A/S (Denmark)


Published in SPIE Proceedings Vol. 7914:
Fiber Lasers VIII: Technology, Systems, and Applications
Jay W. Dawson, Editor(s)

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