High-power, low-noise, Yb-doped, cladding-pumped, three-level fiber sources at 980nm
Optics Letters, Vol. 28, Issue 13, pp. 1093-1095 (2003)
http://dx.doi.org/10.1364/OL.28.001093
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Abstract
We present results on a high-power, cladding-pumped, Yb-doped fiber emitting at 977 nm in laser and ampllified-spontaneous-emission source configurations. We obtained up to 1.4 W of fiber-coupled, single-mode output power and slope efficiency as high as 68%. To our knowledge these are the highest powers and efficiencies achieved from a single-mode fiber laser at ~980 nm and the first demonstrated results on a high-power amplified-spontaneous-emission source in this wavelength range. High power and high slope efficiency are achieved by using a high numerical aperture (>0.7) , a jacketed air-clad fiber, and a high-brightness pump source. Both types of sources exhibit relative intensity noise below -130 dB/Hz and are thus suitable for a wide range of applications.
© 2003 Optical Society of America
OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
Citation
R. Selvas, J. K. Sahu, L. B. Fu, J. N. Jang, J. Nilsson, A. B. Grudinin, K. H. Ylä-Jarkko, S. A. Alam, P. W. Turner, and J. Moore, "High-power, low-noise, Yb-doped, cladding-pumped, three-level fiber sources at 980nm," Opt. Lett. 28, 1093-1095 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-13-1093
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