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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 20 — Oct. 15, 2005
  • pp: 2745–2747

Single-frequency laser oscillator with watts-level output power at 1.5 µm by use of a twisted-mode technique

Pavel Polynkin, Alexander Polynkin, Masud Mansuripur, Jerome Moloney, and N. Peyghambarian  »View Author Affiliations


Optics Letters, Vol. 30, Issue 20, pp. 2745-2747 (2005)
http://dx.doi.org/10.1364/OL.30.002745


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Abstract

We report an all-fiber laser oscillator producing as much as 1.9 W of single-frequency direct output at 1.5 µm. Spatial gain hole burning in the active fiber has been eliminated by use of a twisted-mode cavity approach. The two short pieces of a polarization-maintaining fiber that were spliced to the ends of the active fiber served as ultracompact quarter-wave plates. To our knowledge, the use of such a wave plate to manipulate the polarization state of light inside a fiber laser cavity is reported here for the first time. The laser output is linearly polarized and delivered through a polarization-maintaining fiber pigtail. We believe that the output power of our laser is the highest among all single-frequency fiber laser oscillators reported to date.

© 2005 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Lasers and Laser Optics

Citation
Pavel Polynkin, Alexander Polynkin, Masud Mansuripur, Jerome Moloney, and N. Peyghambarian, "Single-frequency laser oscillator with watts-level output power at 1.5 µm by use of a twisted-mode technique," Opt. Lett. 30, 2745-2747 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-20-2745

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