Abstract

We report what is to our knowledge the first 3-mu;m fiber laser of the 1-W class. 1.7 W of output power and 17.3% slope efficiency (with respect to the launched pump power) at a wavelength of 2.71μm are demonstrated from a double-clad erbium-doped ZBLAN fiber diode pumped at 790 nm. Energy transfer from the Er<sup>3+</sup> lower laser level to a Pr<sup>3+</sup> codopant decreases ground-state bleaching and excited-state absorption, thus avoiding output-power saturation. This result represents more than an order-of-magnitude improvement over previous work of which we are aware. Advantages over current crystal-laser designs include nearly transverse-fundamental-mode operation, reduced thermal effects, and ease of use, e.g., in medical endoscopy.

© 1999 Optical Society of America

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1999

1998

M. Pollnau, Ch. Ghisler, W. Lüthy, and H. P. Weber, Appl. Phys. B 67, 23 (1998).

X. Zhao, B. Srinivasan, P. Pulaski, S. Gupta, and R. K. Jain, in Digest of 1998 Conference on Lasers and Electro-Optics/Europe (Optical Society of America, Washington, D.C., 1998), postdeadline paper CPD1.7.

S. D. Jackson and T. A. King, Opt. Lett. 23, 1462 (1998).

1997

M. Pollnau, IEEE J. Quantum Electron. 33, 1982 (1997).

1996

1995

S. Bedö, M. Pollnau, W. Lüthy, and H. P. Weber, Opt. Commun. 116, 81 (1995).

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

1994

M. Ith, H. Pratisto, H. J. Altermatt, M. Frenz, and H. P. Weber, Appl. Phys. B 59, 621 (1994).

J. Schneider, D. Hauschild, C. Frerichs, and L. Wetenkamp, Int. J. Infrared Millim. Waves 15, 1907 (1994).

1992

L. Wetenkamp, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 25 (1992).

1989

L. Esterowitz and R. Allen, Proc. SPIE 1048, 129 (1989).

Allen, R.

L. Esterowitz and R. Allen, Proc. SPIE 1048, 129 (1989).

Altermatt, H. J.

M. Ith, H. Pratisto, H. J. Altermatt, M. Frenz, and H. P. Weber, Appl. Phys. B 59, 621 (1994).

Bedö, S.

S. Bedö, M. Pollnau, W. Lüthy, and H. P. Weber, Opt. Commun. 116, 81 (1995).

Bunea, G.

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

Bunea, M.

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

Chai, B. H. T.

Chen, D. W.

Diening, A.

Esterowitz, L.

L. Esterowitz and R. Allen, Proc. SPIE 1048, 129 (1989).

Fields, R. A.

Fincher, C. L.

Frenz, M.

M. Ith, H. Pratisto, H. J. Altermatt, M. Frenz, and H. P. Weber, Appl. Phys. B 59, 621 (1994).

Frerichs, C.

J. Schneider, D. Hauschild, C. Frerichs, and L. Wetenkamp, Int. J. Infrared Millim. Waves 15, 1907 (1994).

Ghisler, Ch.

M. Pollnau, Ch. Ghisler, W. Lüthy, and H. P. Weber, Appl. Phys. B 67, 23 (1998).

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

Gupta, S.

X. Zhao, B. Srinivasan, P. Pulaski, S. Gupta, and R. K. Jain, in Digest of 1998 Conference on Lasers and Electro-Optics/Europe (Optical Society of America, Washington, D.C., 1998), postdeadline paper CPD1.7.

Hauschild, D.

J. Schneider, D. Hauschild, C. Frerichs, and L. Wetenkamp, Int. J. Infrared Millim. Waves 15, 1907 (1994).

Huber, G.

Ith, M.

M. Ith, H. Pratisto, H. J. Altermatt, M. Frenz, and H. P. Weber, Appl. Phys. B 59, 621 (1994).

Jackson, S. D.

Jain, R. K.

X. Zhao, B. Srinivasan, P. Pulaski, S. Gupta, and R. K. Jain, in Digest of 1998 Conference on Lasers and Electro-Optics/Europe (Optical Society of America, Washington, D.C., 1998), postdeadline paper CPD1.7.

Jensen, T.

King, T. A.

Lüthy, W.

M. Pollnau, Ch. Ghisler, W. Lüthy, and H. P. Weber, Appl. Phys. B 67, 23 (1998).

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

S. Bedö, M. Pollnau, W. Lüthy, and H. P. Weber, Opt. Commun. 116, 81 (1995).

Pollnau, M.

M. Pollnau, Ch. Ghisler, W. Lüthy, and H. P. Weber, Appl. Phys. B 67, 23 (1998).

M. Pollnau, IEEE J. Quantum Electron. 33, 1982 (1997).

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

S. Bedö, M. Pollnau, W. Lüthy, and H. P. Weber, Opt. Commun. 116, 81 (1995).

Pratisto, H.

M. Ith, H. Pratisto, H. J. Altermatt, M. Frenz, and H. P. Weber, Appl. Phys. B 59, 621 (1994).

Pulaski, P.

X. Zhao, B. Srinivasan, P. Pulaski, S. Gupta, and R. K. Jain, in Digest of 1998 Conference on Lasers and Electro-Optics/Europe (Optical Society of America, Washington, D.C., 1998), postdeadline paper CPD1.7.

Rose, T. S.

Schneider, J.

J. Schneider, D. Hauschild, C. Frerichs, and L. Wetenkamp, Int. J. Infrared Millim. Waves 15, 1907 (1994).

Srinivasan, B.

X. Zhao, B. Srinivasan, P. Pulaski, S. Gupta, and R. K. Jain, in Digest of 1998 Conference on Lasers and Electro-Optics/Europe (Optical Society of America, Washington, D.C., 1998), postdeadline paper CPD1.7.

Többen, H.

L. Wetenkamp, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 25 (1992).

Vernon, F. L.

Weber, H. P.

M. Pollnau, Ch. Ghisler, W. Lüthy, and H. P. Weber, Appl. Phys. B 67, 23 (1998).

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

S. Bedö, M. Pollnau, W. Lüthy, and H. P. Weber, Opt. Commun. 116, 81 (1995).

M. Ith, H. Pratisto, H. J. Altermatt, M. Frenz, and H. P. Weber, Appl. Phys. B 59, 621 (1994).

West, G. F.

L. Wetenkamp, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 25 (1992).

Wetenkamp, L.

J. Schneider, D. Hauschild, C. Frerichs, and L. Wetenkamp, Int. J. Infrared Millim. Waves 15, 1907 (1994).

L. Wetenkamp, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 25 (1992).

Zhao, X.

X. Zhao, B. Srinivasan, P. Pulaski, S. Gupta, and R. K. Jain, in Digest of 1998 Conference on Lasers and Electro-Optics/Europe (Optical Society of America, Washington, D.C., 1998), postdeadline paper CPD1.7.

Appl. Phys. B

M. Pollnau, Ch. Ghisler, W. Lüthy, and H. P. Weber, Appl. Phys. B 67, 23 (1998).

M. Ith, H. Pratisto, H. J. Altermatt, M. Frenz, and H. P. Weber, Appl. Phys. B 59, 621 (1994).

Appl. Phys. Lett.

M. Pollnau, Ch. Ghisler, G. Bunea, M. Bunea, W. Lüthy, and H. P. Weber, Appl. Phys. Lett. 66, 3564 (1995).

IEEE J. Quantum Electron.

M. Pollnau, IEEE J. Quantum Electron. 33, 1982 (1997).

Int. J. Infrared Millim. Waves

J. Schneider, D. Hauschild, C. Frerichs, and L. Wetenkamp, Int. J. Infrared Millim. Waves 15, 1907 (1994).

J. Non-Cryst. Solids

L. Wetenkamp, G. F. West, and H. Többen, J. Non-Cryst. Solids 140, 25 (1992).

Opt. Commun.

S. Bedö, M. Pollnau, W. Lüthy, and H. P. Weber, Opt. Commun. 116, 81 (1995).

Opt. Lett.

Proc. SPIE

L. Esterowitz and R. Allen, Proc. SPIE 1048, 129 (1989).

Other

X. Zhao, B. Srinivasan, P. Pulaski, S. Gupta, and R. K. Jain, in Digest of 1998 Conference on Lasers and Electro-Optics/Europe (Optical Society of America, Washington, D.C., 1998), postdeadline paper CPD1.7.

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