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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 666–669

Modal instability-suppressing, single-frequency photonic crystal fiber amplifier with 811  W output power

Craig Robin, Iyad Dajani, and Benjamin Pulford  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 666-669 (2014)
http://dx.doi.org/10.1364/OL.39.000666


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Abstract

An acoustic- and gain-tailored Yb-doped polarization-maintaining photonic crystal fiber is used to demonstrate 811 W single-frequency output power with near diffraction-limited beam quality. The fiber core is composed of 7 individually doped segments arranged to create three distinct transverse acoustic regions; including one region that is Yb-free. The utility of the Yb-free region is to reduce coupling between the LP01 and LP11 modes to mitigate the modal instability. The application of thermal gradients is utilized in conjunction with the transverse acoustic tailoring to suppress stimulated Brillouin scattering. To the best of our knowledge, the 811 W output represents the highest power ever reported from a near diffraction-limited single-frequency fiber laser.

© 2014 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(290.5900) Scattering : Scattering, stimulated Brillouin
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 11, 2013
Revised Manuscript: November 26, 2013
Manuscript Accepted: December 12, 2013
Published: January 29, 2014

Citation
Craig Robin, Iyad Dajani, and Benjamin Pulford, "Modal instability-suppressing, single-frequency photonic crystal fiber amplifier with 811  W output power," Opt. Lett. 39, 666-669 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-3-666

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