Abstract

We report on high-power operation of a fiber distributed-feedback (DFB) laser fabricated from Tm-doped photosensitive alumino-silicate fiber and in-band pumped by an ErYb fiber laser at 1565nm. The fiber DFB laser yielded up to 875mW of single-ended output at 1943nm on two orthogonally polarized modes for 3.5W of absorbed pump power. Further scaling of the DFB laser output power was achieved with the aid of a simple Tm-doped fiber amplifier stage spliced directly to the DFB fiber without the need of an optical isolator. The maximum output power from the DFB laser and fiber amplifier was >3W for a combined absorbed pump power of 8.1W. The influence of thermal loading, owing to quantum defect heating in the Tm-doped core, on the output power and longitudinal mode behavior is discussed, and the prospects for further improvement in performance are considered.

© 2008 Optical Society of America

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References

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2007 (1)

2005 (1)

N. Y. Voo, J. K. Sahu, and M. Ibsen, IEEE Photon. Technol. Lett. 17, 2550 (2005).
[Crossref]

2004 (2)

2000 (1)

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

1998 (3)

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

M. Ibsen, M. K. Durkin, M. J. Cole, and R. I. Laming, IEEE Photon. Technol. Lett. 10, 842 (1998).
[Crossref]

E. Ronnekleiv, M. N. Zervas, and J. T. Kringlebotn, IEEE J. Quantum Electron. 34, 1559 (1998).
[Crossref]

Agger, S.

Clarkson, W. A.

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

Cole, M. J.

M. Ibsen, M. K. Durkin, M. J. Cole, and R. I. Laming, IEEE Photon. Technol. Lett. 10, 842 (1998).
[Crossref]

Durkin, M. K.

M. Ibsen, M. K. Durkin, M. J. Cole, and R. I. Laming, IEEE Photon. Technol. Lett. 10, 842 (1998).
[Crossref]

Geng, J.

Grudinin, A. B.

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

Hanna, D. C.

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

Hayward, R. A.

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

Hu, Y.

Ibsen, M.

N. Y. Voo, J. K. Sahu, and M. Ibsen, IEEE Photon. Technol. Lett. 17, 2550 (2005).
[Crossref]

M. Ibsen, M. K. Durkin, M. J. Cole, and R. I. Laming, IEEE Photon. Technol. Lett. 10, 842 (1998).
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Jiang, S.

Kaneda, Y.

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[Crossref]

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M. Ibsen, M. K. Durkin, M. J. Cole, and R. I. Laming, IEEE Photon. Technol. Lett. 10, 842 (1998).
[Crossref]

Nilsson, J.

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

Peyghambarian, N.

Povlsen, J. H.

Ronnekleiv, E.

E. Ronnekleiv, M. N. Zervas, and J. T. Kringlebotn, IEEE J. Quantum Electron. 34, 1559 (1998).
[Crossref]

Sahu, J. K.

N. Y. Voo, J. K. Sahu, and M. Ibsen, IEEE Photon. Technol. Lett. 17, 2550 (2005).
[Crossref]

Spiegelberg, Ch.

Turner, P. W.

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

Varming, P.

Voo, N. Y.

N. Y. Voo, J. K. Sahu, and M. Ibsen, IEEE Photon. Technol. Lett. 17, 2550 (2005).
[Crossref]

Wu, J.

Yu, J.

Zervas, M. N.

E. Ronnekleiv, M. N. Zervas, and J. T. Kringlebotn, IEEE J. Quantum Electron. 34, 1559 (1998).
[Crossref]

Electron. Lett. (1)

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[Crossref]

IEEE J. Quantum Electron. (1)

E. Ronnekleiv, M. N. Zervas, and J. T. Kringlebotn, IEEE J. Quantum Electron. 34, 1559 (1998).
[Crossref]

IEEE Photon. Technol. Lett. (2)

N. Y. Voo, J. K. Sahu, and M. Ibsen, IEEE Photon. Technol. Lett. 17, 2550 (2005).
[Crossref]

M. Ibsen, M. K. Durkin, M. J. Cole, and R. I. Laming, IEEE Photon. Technol. Lett. 10, 842 (1998).
[Crossref]

J. Lightwave Technol. (1)

Opt. Lett. (3)

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Figures (4)

Fig. 1
Fig. 1

Tm-doped fiber DFB laser configuration.

Fig. 2
Fig. 2

(a) Forward and backward output power of the DFB laser versus the absorbed pump power (inset, the spectrum). (b) Absorbed and unabsorbed pump power versus the launched pump power. (c) Forward output power of the MOPA versus the launched pump power.

Fig. 3
Fig. 3

The SFPI traces as the MOPA forward output power is (a) 200 mW (without polarizer), (b) 200 mW (with polarizer), (c) 1 W (with polarizer), (d) 3 W (with polarizer).

Fig. 4
Fig. 4

Frequency shift of the DFB laser versus the MOPA output power.

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