Abstract

We report amplification of sub-10–100 ns pulses with repetition rates from 1 to 20 kHz in a rod-type thulium-doped photonic crystal fiber with 80 μm core diameter. The rod is pumped with a 793 nm laser diode and produces the highest peak power at 1 kHz repetition rate with 6.5 ns pulse duration and more than 7 W average output power. This result exemplifies the potential of this fiber design to scale pulse peak powers and pulse energies to the megawatt and multi-millijoule range in the 2 μm wavelength regime.

© 2013 Optical Society of America

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2012

2011

2010

2007

2006

C. D. Brooks and F. Di Teodoro, Appl. Phys. Lett. 89, 111119 (2006).
[CrossRef]

Broeng, J.

C. Gaida, P. Kadwani, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 37, 4513 (2012).
[CrossRef]

N. Modsching, P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 36, 3873 (2011).
[CrossRef]

P. Kadwani, A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in Specialty Optical Fibers, OSA Technical Digest (online) (Optical Society of America, 2012), paper SW2F.3.

P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in 2012 Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2012).

Brooks, C. D.

C. D. Brooks and F. Di Teodoro, Appl. Phys. Lett. 89, 111119 (2006).
[CrossRef]

Chavez-Pirson, A.

Clarkson, W. A.

Di Teodoro, F.

C. D. Brooks and F. Di Teodoro, Appl. Phys. Lett. 89, 111119 (2006).
[CrossRef]

Eichhorn, M.

Ermeneux, S.

Fang, Q.

Gaida, C.

Jackson, S. D.

Jansen, F.

Jauregui, C.

Kadwani, P.

C. Gaida, P. Kadwani, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 37, 4513 (2012).
[CrossRef]

N. Modsching, P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 36, 3873 (2011).
[CrossRef]

P. Kadwani, A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in Specialty Optical Fibers, OSA Technical Digest (online) (Optical Society of America, 2012), paper SW2F.3.

P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in 2012 Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2012).

Kieu, K.

Leick, L.

C. Gaida, P. Kadwani, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 37, 4513 (2012).
[CrossRef]

N. Modsching, P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 36, 3873 (2011).
[CrossRef]

P. Kadwani, A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in Specialty Optical Fibers, OSA Technical Digest (online) (Optical Society of America, 2012), paper SW2F.3.

P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in 2012 Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2012).

Liem, A.

Limpert, J.

Linke, S.

Modsching, N.

Nilsson, J.

Petersen, E.

Peyghambarian, N.

Rademaker, K.

Richardson, D. J.

Richardson, M.

C. Gaida, P. Kadwani, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 37, 4513 (2012).
[CrossRef]

N. Modsching, P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 36, 3873 (2011).
[CrossRef]

P. Kadwani, A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in Specialty Optical Fibers, OSA Technical Digest (online) (Optical Society of America, 2012), paper SW2F.3.

P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in 2012 Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2012).

Röser, F.

Rothhardt, J.

Salin, F.

Schmidt, O.

Schreiber, T.

Shah, L.

C. Gaida, P. Kadwani, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 37, 4513 (2012).
[CrossRef]

N. Modsching, P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 36, 3873 (2011).
[CrossRef]

P. Kadwani, A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in Specialty Optical Fibers, OSA Technical Digest (online) (Optical Society of America, 2012), paper SW2F.3.

P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in 2012 Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2012).

Shi, W.

Sims, A.

P. Kadwani, A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in Specialty Optical Fibers, OSA Technical Digest (online) (Optical Society of America, 2012), paper SW2F.3.

Sims, R. A.

N. Modsching, P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, Opt. Lett. 36, 3873 (2011).
[CrossRef]

P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in 2012 Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2012).

Stutzki, F.

Tünnermann, A.

Yvernault, P.

Appl. Opt.

Appl. Phys. Lett.

C. D. Brooks and F. Di Teodoro, Appl. Phys. Lett. 89, 111119 (2006).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Express

Opt. Lett.

Other

P. Kadwani, R. A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in 2012 Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2012).

P. Kadwani, A. Sims, L. Leick, J. Broeng, L. Shah, and M. Richardson, in Specialty Optical Fibers, OSA Technical Digest (online) (Optical Society of America, 2012), paper SW2F.3.

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Figures (5)

Fig. 1.
Fig. 1.

Experimental setup of the amplification system: MOPA in dashed box; lenses f1=25mm, f2=50mm, and f3=100mm; mirrors M HR at 2 μm; pump mirror MP HR at 790 nm; beam-splitting wedge used for beam diagnostics.

Fig. 2.
Fig. 2.

Creation of 5 ns pulses using an EOM as pulse slicer; FWHM was determined with Gaussian fits.

Fig. 3.
Fig. 3.

Output power over launched pump power for different repetition rates and pulse durations.

Fig. 4.
Fig. 4.

Spectrum and pulse at 7.3 W average power and 1 kHz repetition rate. The ratio between spectrally integrated ASE and average power is always <3%.

Fig. 5.
Fig. 5.

Linear plot of the spectrum and image of output beam at 7.3 W average power and 1 kHz repetition rate.

Tables (1)

Tables Icon

Table 1. Seed Powers and Slope Efficiencies for Different Repetition Rates and Pulse Durations

Metrics