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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2882–2884

Performance comparison of Zr-based and Bi-based erbium-doped fiber amplifiers

M. C. Paul, S. W. Harun, N. A. D. Huri, A. Hamzah, S. Das, M. Pal, S. K. Bhadra, H. Ahmad, S. Yoo, M. P. Kalita, A. J. Boyland, and J. K. Sahu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 17, pp. 2882-2884 (2010)
http://dx.doi.org/10.1364/OL.35.002882


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Abstract

In this Letter, we present a comprehensive comparison of the performance of a zirconia-based erbium-doped fiber amplifier (Zr-EDFA) and a bismuth-based erbium-doped fiber amplifier (Bi-EDFA). The experimental results reveal that a Zr-EDFA can achieve comparable performance to the conventional Bi-EDFA for C-band and L-band operations. With a combination of both Zr and Al, we could achieve a high erbium-doping concentration of about 2800 ppm (parts per million) in the glass host without any phase separations of rare earths. The Zr-based erbium-doped fiber (Zr-EDF) was fabricated using in a ternary glass host, zirconia–yttria–aluminum codoped silica fiber through a solution-doping technique along with modified chemical vapor deposition. At a high input signal of 0 dBm , a flat gain at average value of 13 dB is obtained with a gain variation of less than 2 dB within the wavelength region of 1530 1575 nm and using 2 m of Zr-EDF and 120 mW pump power. The noise figures are less than 9.2 at this wavelength region. It was found that a Zr-EDFA can achieve even better flat-gain value and bandwidth as well as lower noise figure than the conventional Bi-EDFA.

© 2010 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 9, 2010
Revised Manuscript: July 23, 2010
Manuscript Accepted: July 27, 2010
Published: August 20, 2010

Citation
M. C. Paul, S. W. Harun, N. A. D. Huri, A. Hamzah, S. Das, M. Pal, S. K. Bhadra, H. Ahmad, S. Yoo, M. P. Kalita, A. J. Boyland, and J. K. Sahu, "Performance comparison of Zr-based and Bi-based erbium-doped fiber amplifiers," Opt. Lett. 35, 2882-2884 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-17-2882

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