Abstract

A diode-pumped actively Q-switched and actively mode-locked Tm3+-doped double-clad silicate fiber laser is reported providing up to 5 W of average output power at ~60 kHz Q-switch envelope repetition rate and 8μJ subpulses with up to 2.4 kW peak power. Using this source as a pump laser for supercontinuum generation in a ZBLAN fiber, over 1080 mW of supercontinuum from 1.9 μm to beyond 3.6 μm was obtained at an overall efficiency of 3.3% with respect to the diode pump power.

© 2012 Optical Society of America

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References

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2011

2009

C. Xia, X. Xu, M. N. Islam, F. L. Terry, M. J. Freeman, A. Zakel, and J. Mauricio, IEEE J. Sel. Top. Quantum Electron. 15, 422 (2009).
[CrossRef]

2007

2006

Alexander, V. V.

Chan, A.

Cheng, M.-Y.

Eichhorn, M.

Freeman, M. J.

Galvanauskas, A.

Hagen, C. L.

C. L. Hagen, S. W. Walewski, and S. T. Sanders, IEEE Photon. Technol. Lett. 18, 91 (2006).
[CrossRef]

Hegde, R. S.

Hübner, P.

Islam, M. N.

Jackson, S. D.

Kieleck, C.

Kulkarni, O. P.

Kumar, M.

Mauricio, J.

C. Xia, X. Xu, M. N. Islam, F. L. Terry, M. J. Freeman, A. Zakel, and J. Mauricio, IEEE J. Sel. Top. Quantum Electron. 15, 422 (2009).
[CrossRef]

Mazé, G.

Neelakandan, M.

Poulain, M.

Sanders, S. T.

C. L. Hagen, S. W. Walewski, and S. T. Sanders, IEEE Photon. Technol. Lett. 18, 91 (2006).
[CrossRef]

Terry, F. L.

Walewski, S. W.

C. L. Hagen, S. W. Walewski, and S. T. Sanders, IEEE Photon. Technol. Lett. 18, 91 (2006).
[CrossRef]

Winful, H. G.

Xia, C.

Xu, X.

C. Xia, X. Xu, M. N. Islam, F. L. Terry, M. J. Freeman, A. Zakel, and J. Mauricio, IEEE J. Sel. Top. Quantum Electron. 15, 422 (2009).
[CrossRef]

Zakel, A.

C. Xia, X. Xu, M. N. Islam, F. L. Terry, M. J. Freeman, A. Zakel, and J. Mauricio, IEEE J. Sel. Top. Quantum Electron. 15, 422 (2009).
[CrossRef]

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Figures (5)

Fig. 1.
Fig. 1.

Setup of the Q-switched, mode-locked Tm3+: silica fiber laser.

Fig. 2.
Fig. 2.

Relative average power and FWHM pulse width of the major subpulse in the Q-switch envelope for different mode-locking frequencies.

Fig. 3.
Fig. 3.

Pulse energy and peak power for succeeding pulses in one Q-switch envelope (inset).

Fig. 4.
Fig. 4.

SC output spectra resulting from different incident powers from the Q-ML pump. The value in the legend denotes the overall average output power POUT, and the value in brackets the corresponding average incident pump power PIndiana. The right inset shows the wavelength at which the power dropped by 20 dB relative to the peak of the spectrum, and the left inset depicts the overall spectrometer response.

Fig. 5.
Fig. 5.

Power shifted beyond 2340 nm for different average pump powers. The upper inset shows for comparison of the overall average output power (the black line being a linear interpolation of the first five points). The second inset shows the passive attenuation of the ZBLAN fiber.

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