Abstract

We report what we believe to be the first demonstration of stable short pulse (10ns) generation from a gain-switched Tm-doped fiber laser in the 2μm spectral region. A modulated 1.55μm pump laser was used for fast gain switching to regulate the conventionally chaotic spiking in the gain-switched fiber laser. From a 6.3μm core all-fiber oscillator, over a kilowatt of peak power was obtained at the slope efficiency of 50% and freely varying repetition rate up to 500kHz.

© 2007 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]

2007

2005

2003

2002

2000

B. C. Dickinson, S. D. Jackson, and T. A. King, Opt. Commun. 182, 199 (2000).
[CrossRef]

1999

1998

S. D. Jackson and T. A. King, IEEE J. Quantum Electron. 34, 779 (1998).
[CrossRef]

Arisholm, G.

Budni, A.

Castro, R. T.

Chicklis, E. P.

Desmoulins, S.

Di Teodoro, F.

Dickinson, B. C.

B. C. Dickinson, S. D. Jackson, and T. A. King, Opt. Commun. 182, 199 (2000).
[CrossRef]

El-Sherif, A. F.

Gustafson, E. J.

Ibach, C. R.

Jackson, S. D.

B. C. Dickinson, S. D. Jackson, and T. A. King, Opt. Commun. 182, 199 (2000).
[CrossRef]

S. D. Jackson and T. A. King, J. Lightwave Technol. 17, 948 (1999).
[CrossRef]

S. D. Jackson and T. A. King, IEEE J. Quantum Electron. 34, 779 (1998).
[CrossRef]

Ju, Y.-L.

King, T. A.

A. F. El-Sherif and T. A. King, Opt. Lett. 28, 22 (2003).
[CrossRef] [PubMed]

B. C. Dickinson, S. D. Jackson, and T. A. King, Opt. Commun. 182, 199 (2000).
[CrossRef]

S. D. Jackson and T. A. King, J. Lightwave Technol. 17, 948 (1999).
[CrossRef]

S. D. Jackson and T. A. King, IEEE J. Quantum Electron. 34, 779 (1998).
[CrossRef]

Lippert, E.

Rustad, G.

Setzler, S. D.

Stenersen, K.

Wang, Y.-Z.

Yao, B.-Q.

Zhang, Y. J.

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Figures (4)

Fig. 1
Fig. 1

Schematic of the gain-switched Tm-doped fiber laser.

Fig. 2
Fig. 2

Examples of gain-switched TDFL output at repetition rates of 2.5 , 10, and 50 kHz .

Fig. 3
Fig. 3

Left: Pulse shape of the gain-switched TDFL and that of the pump source. Right: pulse width measured as a function of cavity length at the optimum operation point.

Fig. 4
Fig. 4

Examples of output spectra of the gain-switched TDFL. FBG1 (2) = fiber Bragg grating 1 (2).

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