Abstract

We report what we believe is the first demonstration of laser emission at 2.94μm in an erbium-doped fluoride fiber laser. The low-loss all-fiber Fabry–Perot laser cavity was formed by two fiber Bragg gratings of 90% and 15% reflectivities in a 6.6m, 7mol.% Er-doped double-clad fiber. A maximum cw output power of 5.2W was measured, which is to our knowledge the highest reported to date for a diode-pumped laser at this wavelength. A coreless endcap was fused at the output fiber end to prevent its deterioration at high output powers. Our results, including the slope efficiency of 26.6% with respect to launched pump power, suggest that erbium could be a better alternative than holmium in the search for a replacement for the flashlamp-pumped Er:YAG at 2.94μm.

© 2009 Optical Society of America

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[CrossRef]

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[CrossRef]

M. Bernier, D. Faucher, N. Caron, and R. Vallée, Opt. Express 17, 16941 (2009).
[CrossRef] [PubMed]

2008

M. Eichhorn and S. D. Jackson, Appl. Phys. B 90, 35 (2008).
[CrossRef]

2007

2002

M. Pollnau and S. D. Jackson, IEEE J. Quantum Electron. 38, 162 (2002).
[CrossRef]

2001

2000

N. J. C. Libatique, J. Tafoya, N. K. Viswanathan, R. K. Jain, and A. Cable, Electron. Lett. 36, 791 (2000).
[CrossRef]

1992

L. Wetenkamp, Ch. Frerichs, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 19 (1992).
[CrossRef]

Androz, G.

Bernier, M.

Cable, A.

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[CrossRef]

Caron, N.

Chen, B.

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[CrossRef]

Cheng, L.

B. Wang, L. Cheng, H. Zhong, J. Sun, Y. Tian, X. Zhang, and B. Chen, Opt. Mater. 31, 1658 (2009).
[CrossRef]

Chin, S. L.

Eichhorn, M.

M. Eichhorn and S. D. Jackson, Appl. Phys. B 90, 35 (2008).
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M. Eichhorn, Opt. Lett. 32, 1056 (2007).
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Ernst, H.

Ertmer, W.

Faucher, D.

Frerichs, Ch.

L. Wetenkamp, Ch. Frerichs, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 19 (1992).
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Jackson, S. D.

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Jain, R.

Jain, R. K.

N. J. C. Libatique, J. Tafoya, N. K. Viswanathan, R. K. Jain, and A. Cable, Electron. Lett. 36, 791 (2000).
[CrossRef]

Libatique, N. J. C.

N. J. C. Libatique, J. Tafoya, N. K. Viswanathan, R. K. Jain, and A. Cable, Electron. Lett. 36, 791 (2000).
[CrossRef]

Lubatschowski, H.

Pollnau, M.

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Saliminia, A.

Sheng, Y.

Sun, J.

B. Wang, L. Cheng, H. Zhong, J. Sun, Y. Tian, X. Zhang, and B. Chen, Opt. Mater. 31, 1658 (2009).
[CrossRef]

Tafoya, J.

N. J. C. Libatique, J. Tafoya, N. K. Viswanathan, R. K. Jain, and A. Cable, Electron. Lett. 36, 791 (2000).
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Tian, Y.

B. Wang, L. Cheng, H. Zhong, J. Sun, Y. Tian, X. Zhang, and B. Chen, Opt. Mater. 31, 1658 (2009).
[CrossRef]

Többen, H.

L. Wetenkamp, Ch. Frerichs, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 19 (1992).
[CrossRef]

Vallée, R.

Viswanathan, N. K.

N. J. C. Libatique, J. Tafoya, N. K. Viswanathan, R. K. Jain, and A. Cable, Electron. Lett. 36, 791 (2000).
[CrossRef]

Wang, B.

B. Wang, L. Cheng, H. Zhong, J. Sun, Y. Tian, X. Zhang, and B. Chen, Opt. Mater. 31, 1658 (2009).
[CrossRef]

Welling, H.

West, G. F.

L. Wetenkamp, Ch. Frerichs, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 19 (1992).
[CrossRef]

Wetenkamp, L.

L. Wetenkamp, Ch. Frerichs, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 19 (1992).
[CrossRef]

Will, G. F.

Zhang, X.

B. Wang, L. Cheng, H. Zhong, J. Sun, Y. Tian, X. Zhang, and B. Chen, Opt. Mater. 31, 1658 (2009).
[CrossRef]

Zhong, H.

B. Wang, L. Cheng, H. Zhong, J. Sun, Y. Tian, X. Zhang, and B. Chen, Opt. Mater. 31, 1658 (2009).
[CrossRef]

Zhu, X.

Ziolek, C.

Appl. Phys. B

M. Eichhorn and S. D. Jackson, Appl. Phys. B 90, 35 (2008).
[CrossRef]

Electron. Lett.

N. J. C. Libatique, J. Tafoya, N. K. Viswanathan, R. K. Jain, and A. Cable, Electron. Lett. 36, 791 (2000).
[CrossRef]

IEEE J. Quantum Electron.

M. Pollnau and S. D. Jackson, IEEE J. Quantum Electron. 38, 162 (2002).
[CrossRef]

J. Non-Cryst. Solids

L. Wetenkamp, Ch. Frerichs, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 19 (1992).
[CrossRef]

Opt. Express

Opt. Lett.

Opt. Mater.

B. Wang, L. Cheng, H. Zhong, J. Sun, Y. Tian, X. Zhang, and B. Chen, Opt. Mater. 31, 1658 (2009).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Experimental setup of the diode-pumped 2.94 μ m fiber laser.

Fig. 2
Fig. 2

Laser output power as a function of launched pump power.

Fig. 3
Fig. 3

Fiber laser output spectrum at different launched pump powers. The inset shows the transmission spectra of the HR and LR FBGs.

Fig. 4
Fig. 4

Temporal stability of the fiber laser output power for different launched pump powers.

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