Abstract

A gain-switched Tm-doped double-clad silica fiber laser operating at a wavelength of approximately 2µm with moderate output energy of 14.7mJ per pulse and a slope efficiency of 39.5% (with respect to launched pump energy) is realized pumped at 1.064µm from a Nd:YAG laser. The gain-switched fiber laser pulses are built up by a series of relaxation spikes, and every spike pulse duration is nearly 1µs. The output wavelength becomes longer, and the slope efficiency increases with the increase in fiber length.

© 2005 Optical Society of America

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References

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    [CrossRef]
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Appl. Opt. (2)

Appl. Phy. Lett. (1)

LE. Nelson, E. P. Ippen, H. A. Haus, “Broadly tunable sub-500 fs pulses from an additive-pulse modelocked thulium-doped fiber ring laser,” Appl. Phy. Lett. 67, 19-21 (1995).

IEEE J. of Quantum Electron. (1)

Stuart D. Jackson, Terence A. King, “Efficient Gain-Switched Operation of a Tm-Doped Silica Fiber Laser,” IEEE J. of Quantum Electron. 34, 779-789 (1998).

IEEE J. Quantum Electron. (2)

M. Le Flohic, Pierre-Luc Francois, M. Jean-Yves Allain, F. Sanchez, “Dynamics of the Transient of Emission in Nd3+-doped Fiber Laser,” IEEE J. Quantum Electron. 27, 1910-1921 (1991).
[CrossRef]

Ashraf F. El-Sherif, Terence A. King, “Analysis and Optimization of Q-Switched Operation of a Tm3+- Doped silica Fiber Laser Operating at 2µm,” IEEE J. Quantum Electron. 39, 759-765 (2003).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

H. Tai, K. Yamamoto, M. Uchida, “Long-distance simultaneous detection of methane and acetylene by using diode lasers coupled with optical fibers,” IEEE Photon. Technol. Lett. 4, 804-807 (1992).
[CrossRef]

J. Lightwave Technol. (1)

J. Opt. Soc. Am. B (1)

Opt Commun. (1)

D. C. Hanna, I. R. Pery, J. R. Lincoln, “1-watt thulium doped CW fiber laser operation at 2-µm,” Opt Commun. 80, 52-56 (1990).
[CrossRef]

Opt. Commun. (4)

Stuart D. Jackson, “Cross relaxation and energy transfer upconversion process relevant to the function of 2µm Tm3+-doped silica fibre lasers,” Opt. Commun. 230, 197-203 (2004).
[CrossRef]

P. S. Golding, S. D. Jackson, P.-K. Tsai, “Efficient high power operation of a Tm-doped silica fiber laser pumped at 1.319µm,” Opt. Commun. 175, 179-183 (2000).
[CrossRef]

Ashraf F. El-Sherif, Terence A. King, “High-energy, high-brightness Q-switched Tm3+-doped fiber laser using an electro-optic modulator,” Opt. Commun. 218, 337-344 (2003).
[CrossRef]

B. C. Dickinson, S. D. Jackson, T. A. King, “10mJ total output from a gain-switched Tm-doped fiber laser,” Opt. Commun. 182, 199-203 (2000).
[CrossRef]

Opt. Lett. (2)

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