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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 18 — Sep. 15, 2007
  • pp: 2671–2673

Scaling of femtosecond Yb-doped fiber amplifiers to tens of microjoule pulse energy via nonlinear chirped pulse amplification

Lyuba Kuznetsova and Frank W. Wise  »View Author Affiliations


Optics Letters, Vol. 32, Issue 18, pp. 2671-2673 (2007)
http://dx.doi.org/10.1364/OL.32.002671


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Abstract

We demonstrate that the compensation of self-phase modulation by third-order dispersion can be exploited in the design of fiber amplifiers with tens of microjoules pulse energy. At the highest energies, the amplified pulse accumulates nonlinear phase shift as large as 17 π. Gain-narrowing occurs in the final amplifier stage, but shorter pulses are still generated with larger nonlinear phase shifts. A large-mode-area Yb-doped photonic crystal fiber amplifier generates diffraction-limited 30 μ J pulses, which are compressed to 240 fs duration. These are converted to the second harmonic with 48% conversion efficiency, as expected theoretically, which confirms the pulse quality.

© 2007 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 5, 2007
Revised Manuscript: August 6, 2007
Manuscript Accepted: August 6, 2007
Published: September 4, 2007

Citation
Lyuba Kuznetsova and Frank W. Wise, "Scaling of femtosecond Yb-doped fiber amplifiers to tens of microjoule pulse energy via nonlinear chirped pulse amplification," Opt. Lett. 32, 2671-2673 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-18-2671


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