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Optics Letters

Optics Letters


  • Vol. 29, Iss. 7 — Apr. 1, 2004
  • pp: 712–714

Tm3+ cladding-doped fiber for selective wavelength filtering in high-power pump lasers

Monica K. Davis, Matthew J. Dejneka, and Jim Ainslie  »View Author Affiliations

Optics Letters, Vol. 29, Issue 7, pp. 712-714 (2004)

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Scattering and reflection of transmission band power in a fiber amplifier cause increased bit-error rates through multiple path interference (MPI). We report a passive method for reducing MPI contributions from the front facet of a 980-nm fiber-Bragg-grating-stabilized pump laser by use of a Tm3+ -doped fiber pigtail between the diode facet and the fiber Bragg grating. Optical return loss in the C band is reduced to below -30dB .

© 2004 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(140.5960) Lasers and laser optics : Semiconductor lasers
(160.2290) Materials : Fiber materials
(160.5690) Materials : Rare-earth-doped materials

Monica K. Davis, Matthew J. Dejneka, and Jim Ainslie, "Tm3+ cladding-doped fiber for selective wavelength filtering in high-power pump lasers," Opt. Lett. 29, 712-714 (2004)

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