Abstract

We report on high-power operation of a widely tunable dual-wavelength Tm:fiber laser in the 2μm spectral region using volume Bragg gratings and a simple resonator configuration for wavelength selection. The wavelength splitting range is continuously tunable from 1 to 50nm (0.13.8THz), with >115W of diffraction-limited total output power for wavelength separations of <40nm. A maximum output power of 118W was obtained for 279W of launched pump power at 792nm, corresponding to a slope efficiency with respect to launched pump power of 45%. The prospects for further improvement in performance are discussed.

© 2010 Optical Society of America

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T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

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Avetisyan, Y. H.

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[PubMed]

Breede, M.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

Budni, P. A.

D. Creeden, P. A. Budni, and P. A. Ketteridge, “High power nanosecond pulse amplification at 2microns in thulium-doped fiber pumped at 795nm,” presented at Photonics West, San Jose, Calif., 19–24 January 2008 (postdeadline paper).

Burlamacchi, P.

Chang, Y. H.

Clarkson, W. A.

Coisson, R.

Creeden, D.

D. Creeden, P. A. Budni, and P. A. Ketteridge, “High power nanosecond pulse amplification at 2microns in thulium-doped fiber pumped at 795nm,” presented at Photonics West, San Jose, Calif., 19–24 January 2008 (postdeadline paper).

Datta, P. K.

Dutta, P. K.

Feng, S.

Hein, G.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

Hellstro¨m, J. E.

B. Jacobsson, J. E. Hellstro¨m, V. Pasiskevicius, and F. Laurell, Appl. Phys. B 91, 85 (2008).
[CrossRef]

B. Jacobsson, J. E. Hellstro¨m, V. Pasiskevicius, and F. Laurell, Opt. Express 15, 1003 (2007).
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Hoffmann, S.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

Hofmann, M.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

Jackson, S. D.

S. D. Jackson, A. Sabella, D. G. Lancaster, IEEE J. Sel. Top. Quantum Electron. 13, 567 (2007).
[CrossRef]

Jacobsson, B.

B. Jacobsson, J. E. Hellstro¨m, V. Pasiskevicius, and F. Laurell, Appl. Phys. B 91, 85 (2008).
[CrossRef]

B. Jacobsson, J. E. Hellstro¨m, V. Pasiskevicius, and F. Laurell, Opt. Express 15, 1003 (2007).
[CrossRef] [PubMed]

Jelger, P.

Jian, S.

Ketteridge, P. A.

D. Creeden, P. A. Budni, and P. A. Ketteridge, “High power nanosecond pulse amplification at 2microns in thulium-doped fiber pumped at 795nm,” presented at Photonics West, San Jose, Calif., 19–24 January 2008 (postdeadline paper).

Kim, J. W.

Kleine-Ostmann, T.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

Knobloch, P.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

Kobayashi, T.

Koch, M.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

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S. D. Jackson, A. Sabella, D. G. Lancaster, IEEE J. Sel. Top. Quantum Electron. 13, 567 (2007).
[CrossRef]

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Liu, X.

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Lu, F.

Lu, S.

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Pan, C.

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B. Jacobsson, J. E. Hellstro¨m, V. Pasiskevicius, and F. Laurell, Appl. Phys. B 91, 85 (2008).
[CrossRef]

B. Jacobsson, J. E. Hellstro¨m, V. Pasiskevicius, and F. Laurell, Opt. Express 15, 1003 (2007).
[CrossRef] [PubMed]

Pierz, K.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

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Pucci, D.

Ray, A.

Sabella, A.

S. D. Jackson, A. Sabella, D. G. Lancaster, IEEE J. Sel. Top. Quantum Electron. 13, 567 (2007).
[CrossRef]

Saha, A.

Sahu, J. K.

Sinha, N.

Sperling, M.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

Vodopyanov, K. L.

K. L. Vodopyanov and Y. H. Avetisyan, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CTuHH2.
[PubMed]

Wang, C.

Wu, K. H.

Xu, O.

Yang, X.

Yang, Y. Q.

Zhou, X.

Appl. Opt.

Appl. Phys. B

B. Jacobsson, J. E. Hellstro¨m, V. Pasiskevicius, and F. Laurell, Appl. Phys. B 91, 85 (2008).
[CrossRef]

Electron. Lett.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, and M. Sperling, Electron. Lett. 37, 1461 (2001).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron.

S. D. Jackson, A. Sabella, D. G. Lancaster, IEEE J. Sel. Top. Quantum Electron. 13, 567 (2007).
[CrossRef]

Opt. Express

Opt. Lett.

Other

D. Creeden, P. A. Budni, and P. A. Ketteridge, “High power nanosecond pulse amplification at 2microns in thulium-doped fiber pumped at 795nm,” presented at Photonics West, San Jose, Calif., 19–24 January 2008 (postdeadline paper).

K. L. Vodopyanov and Y. H. Avetisyan, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CTuHH2.
[PubMed]

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Figures (4)

Fig. 1
Fig. 1

Laser arrangement for dual-wavelength operation.

Fig. 2
Fig. 2

Spectra of simultaneous dual- wavelength emission with a variable wavelength splitting range.

Fig. 3
Fig. 3

Output power versus launched pump power for simultaneous dual-wavelength lasing at 1989.7 and 1999.7 nm .

Fig. 4
Fig. 4

Output power versus wavelength splitting range Δ λ (open square, VBG 2 at normal incidence, VBG 1 tuned; solid circle, both VBG 1 and VBG 2 at normal incidence; open triangle, VBG 1 at normal incidence, VBG 2 tuned).

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