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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 16 — Aug. 15, 2007
  • pp: 2429–2431

Picosecond pulse amplification in a core-pumped large-mode-area erbium fiber

J. C. Jasapara, M. J. Andrejco, A. D. Yablon, J. W. Nicholson, C. Headley, and D. DiGiovanni  »View Author Affiliations


Optics Letters, Vol. 32, Issue 16, pp. 2429-2431 (2007)
http://dx.doi.org/10.1364/OL.32.002429


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Abstract

Amplification in a single-clad, large-mode-area erbium fiber as an alternative to double-clad Er-Yb amplifiers is presented. Both signal and pump are coupled through a mode-matched splice into the fundamental mode, which ensures preferential gain in the fundamental mode while minimizing the amplified spontaneous emission (ASE). The 875 μ m 2 effective area of the Er fiber enables amplification of 6 ps pulses at 1.55 μ m wavelength by 33 dB in a single stage to > 25 kW peak power with low nonlinear pulse distortion and a diffraction-limited output beam with M 2 < 1.1 .

© 2007 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2410) Fiber optics and optical communications : Fibers, erbium

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 23, 2007
Revised Manuscript: July 3, 2007
Manuscript Accepted: July 9, 2007
Published: August 8, 2007

Citation
J. C. Jasapara, M. J. Andrejco, A. D. Yablon, J. W. Nicholson, C. Headley, and D. DiGiovanni, "Picosecond pulse amplification in a core-pumped large-mode-area erbium fiber," Opt. Lett. 32, 2429-2431 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-16-2429


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