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Proceedings Paper

Broadband optical amplification with water-free hexagonal double-clad Bi doped silica fiber
Author(s): S. Kobayashi; M. Takahashi; M. Ohara; I. Kondo; Yusuke Fujii
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Paper Abstract

1.3 - 1.55 micron optical amplifiers for the long distance up-stream and down-stream networks for a future increase of fiber access networks in telecommunications are attractive. A bismuth-doped silica glass has a potential of the broadband spectrum as lasers and amplifier applications at 1.3 -1.55 micron. The bismuth-doped fiber lasers and amplifiers were discussed by the MOCVD method. In this report optical amplification characteristics at 1.3 - 1.55 micron are presented with the water free hexagonal double-clad bismuth-doped silica fiber (HDC-BDF) made by the vertical axial vapor-phase deposition (VAD) method. The bismuth and aluminum ions were vapor–phase doped into the silicon and germanium oxide. Pumping into the HDC-BDF was performed by using the tilt-polished fiber from the hexagonal surface with the multimode fiber pigtail of the pumping LD. 2 dB amplified gain was obtained with less than -40 dBm CW input signal power at 1310nm.

Paper Details

Date Published: 11 March 2016
PDF: 6 pages
Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97281R (11 March 2016); doi: 10.1117/12.2212471
Show Author Affiliations
S. Kobayashi, Chitose Institute of Science and Technology (Japan)
M. Takahashi, Chitose Institute of Science and Technology (Japan)
M. Ohara, Chitose Institute of Science and Technology (Japan)
I. Kondo, Chitose Institute of Science and Technology (Japan)
Yusuke Fujii, Photonic Science Technology, Inc. (Japan)

Published in SPIE Proceedings Vol. 9728:
Fiber Lasers XIII: Technology, Systems, and Applications
John Ballato, Editor(s)

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