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Optics Letters

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  • Vol. 24, Iss. 23 — Dec. 1, 1999
  • pp: 1684–1686

1.50-μm-band gain-shifted thulium-doped fiber amplifier with 1.05- and 1.56-μm dual-wavelength pumping

Tadashi Kasamatsu, Yutaka Yano, and Hitoshi Sekita  »View Author Affiliations


Optics Letters, Vol. 24, Issue 23, pp. 1684-1686 (1999)
http://dx.doi.org/10.1364/OL.24.001684


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Abstract

We propose and demonstrate a 1.50-μm- band gain-shifted thulium-doped fiber amplifier (TDFA) by using a novel dual-wavelength (1.05and1.56 -μm) pumping scheme for what we believe is the first time. By providing a small amount of 1.56-μm power to a conventional upconversion-pumped TDFA, we successfully demonstrated a small-signal gain larger than 25 dB and a noise figure of 5 dB in a 1475–1510-nm band.

© 1999 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.5560) Lasers and laser optics : Pumping

Citation
Tadashi Kasamatsu, Yutaka Yano, and Hitoshi Sekita, "1.50-μm-band gain-shifted thulium-doped fiber amplifier with 1.05- and 1.56-μm dual-wavelength pumping," Opt. Lett. 24, 1684-1686 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-23-1684

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