Abstract

We demonstrate the suppression of stimulated Raman scattering in a high power, single-mode Yb-doped fiber amplifier using a W-type core structure. Raman-scattered light is not guided by the core. The amplifier consists of a master oscillator power amplifier (MOPA) system, seeded with 103 ps pulses at 32 MHz repetition rate in the final amplification stage. An average output power of 53 W, which corresponds to 13 kW of peak power, was achieved in the 23 m long W-type double-clad fiber without any significant loss of power due to transfer from the signal wavelength at 1060 nm to the Raman Stokes wavelength at 1114 nm and amplified spontaneous emission from Yb-ions at longer wavelengths (~1070 nm). The power conversion efficiency at 1060 nm was 80% with respect to the absorbed pump power.

© 2006 Optical Society of America

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  1. Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, "Ytterbium-doped large-core fiber laser with 1.36kW continuous-wave output power," Opt. Express 12, 6088-6092 (2004).
    [CrossRef] [PubMed]
  2. V. Gapontsev, "2kW single mode output from the fiber laser," presented at Photonic West 2005, San Jose, USA, Jan 21- 26 (2005).
  3. P. Dupriez, A. Piper, A. Malinowski, J. K. Sahu, M. Ibsen, Y. Jeong, L. M. B. Hickey, M. N. Zervas, J. Nilsson, and D. J. Richardson, "321 W average power 1 GHz, 20 ps 1060 nm pulsed fiber MOPA source," presented at OFC 2005, Anaheim, USA 6-11 Mar 2005 (Postdeadline).
  4. C. D. Brooks and F. D. Teodoro, "1-mJ energy, 1-MW peak-power, 10-W average-power, spectrally narrow, diffraction-limited pulses from a photonic-crystal fiber amplifier," Opt. Express 13,8999-9002 (2005).
    [CrossRef] [PubMed]
  5. F. D. Teodoro, J. P. Koplow, S. W. Moore, and D. A. V. Kliner, "Diffraction-limited, 300-kW-peak-power pulses from a Yb-doped fiber amplifier," in Proc. CLEO 2002, Long Beach, USA, 19-24 May 2002 Technical Digest vol.1 pp592-593
  6. J. A. Alvarez-Chavez, A. B. Grudinin, J. Nilsson, P. W. Turner, and W. A. Clarkson, "Mode selection in high power cladding pumped fiber lasers with tapered section," presented at CLOE/QELS 1999 Baltimore 23-28 May 1999 CWE7.
  7. J. Limpert, A. Liem, H. Zellmer, and A. Tünnermann, "500 W continuous-wave fiber laser with excellent beam quality" Electron. Lett. 39, 645-647 (2003).
    [CrossRef]
  8. N. S. Platonov, D. V. Gapontsev, V. P. Gapontsev, and V. Shumilin, " 135 W CW fiber laser with perfect single mode output" in Proc. CLEO 2002, Long Beach, USA, 19-24 May 2002 (postdeadline paper CPDC3).
  9. E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
    [CrossRef]
  10. P. D. Dragic, "Suppression of first order stimulated Raman scattering in erbium-doped fiber laser based LIDAR transmitters through induced bending loss" Opt. Commun. 250, 403-410 (2005).
    [CrossRef]
  11. L. Zenteno, J. Wang, D. Walton, B. Ruffin, M. Li, S. Gray, A. Crowley, and X. Chen, "Suppression of Raman gain in single-transverse-mode dual-hole-assisted fiber" Opt. Express 13, 8921-8926, (2005).
    [CrossRef] [PubMed]
  12. J. M. Fini, "Bend-resistant design of conventional and microstructure fibers with very large mode area," Opt. Express 14,69-81 (2006).
    [CrossRef] [PubMed]
  13. V. I. Neves and A. S. C. Fernandes, "Modal characteristics for W-type and M-type dielectric profile fibres", Micro. & Opt. Tech. Lett. 22,398-405 (1999).
    [CrossRef]
  14. D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
    [CrossRef]
  15. T. J. Kane, G. Keaton, M. A. Arbore, D. R. Balsley, J. F. Black, J. L. Brooks, M. Byer, L. A. Eyres, M. Leonardo, J. J. Morehead, C. Rich, D. J. Richard, L. A. Smoliar, and Y. Zhou, "3-Watt blue source based on 914-nm Nd:YVO4 passively-Q-switched laser amplified in cladding-pumped Nd:fiber", presented at Adv. Solid-State Photonics Santa Fe, NM, USA, February 2-5, 2004, paper MD7.
  16. R. G. Smith, "Optical power handling capacity of low loss optical fibers as determined by stimulated Raman and Brillouin scattering" Appl. Opt. 11,2489-2494 (1972).
    [CrossRef] [PubMed]
  17. G. P. Agrawal, Nonlinear fiber optics,(San Diego, Academic press, 3rd edition, 2001).
  18. L. G. Cohen, D. Marcuse, and W. L. Mammel, "Radiating leak-mode losses in single-mode lightguides with depressed-index claddings" IEEE J. Quantum Electron. QE-18,1467-1472 (1982).
    [CrossRef]

2006 (1)

2005 (3)

2004 (2)

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, "Ytterbium-doped large-core fiber laser with 1.36kW continuous-wave output power," Opt. Express 12, 6088-6092 (2004).
[CrossRef] [PubMed]

2003 (1)

J. Limpert, A. Liem, H. Zellmer, and A. Tünnermann, "500 W continuous-wave fiber laser with excellent beam quality" Electron. Lett. 39, 645-647 (2003).
[CrossRef]

1999 (2)

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

V. I. Neves and A. S. C. Fernandes, "Modal characteristics for W-type and M-type dielectric profile fibres", Micro. & Opt. Tech. Lett. 22,398-405 (1999).
[CrossRef]

1982 (1)

L. G. Cohen, D. Marcuse, and W. L. Mammel, "Radiating leak-mode losses in single-mode lightguides with depressed-index claddings" IEEE J. Quantum Electron. QE-18,1467-1472 (1982).
[CrossRef]

1972 (1)

Alvarado-Mendez, E.

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

Andrade-Lucio, J. A.

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

Baek, S.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Basurto-Pensado, M. A.

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

Beltran-Perez, G.

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

Brooks, C. D.

Chen, X.

Codemard, C. A.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Cohen, L. G.

L. G. Cohen, D. Marcuse, and W. L. Mammel, "Radiating leak-mode losses in single-mode lightguides with depressed-index claddings" IEEE J. Quantum Electron. QE-18,1467-1472 (1982).
[CrossRef]

Crowley, A.

Dragic, P. D.

P. D. Dragic, "Suppression of first order stimulated Raman scattering in erbium-doped fiber laser based LIDAR transmitters through induced bending loss" Opt. Commun. 250, 403-410 (2005).
[CrossRef]

Dupriez, P.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Fernandes, A. S. C.

V. I. Neves and A. S. C. Fernandes, "Modal characteristics for W-type and M-type dielectric profile fibres", Micro. & Opt. Tech. Lett. 22,398-405 (1999).
[CrossRef]

Fini, J. M.

Gray, S.

Jeong, Y.

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, "Ytterbium-doped large-core fiber laser with 1.36kW continuous-wave output power," Opt. Express 12, 6088-6092 (2004).
[CrossRef] [PubMed]

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Kim, J.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Kuzin, E. A.

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

Li, M.

Liem, A.

J. Limpert, A. Liem, H. Zellmer, and A. Tünnermann, "500 W continuous-wave fiber laser with excellent beam quality" Electron. Lett. 39, 645-647 (2003).
[CrossRef]

Limpert, J.

J. Limpert, A. Liem, H. Zellmer, and A. Tünnermann, "500 W continuous-wave fiber laser with excellent beam quality" Electron. Lett. 39, 645-647 (2003).
[CrossRef]

Mammel, W. L.

L. G. Cohen, D. Marcuse, and W. L. Mammel, "Radiating leak-mode losses in single-mode lightguides with depressed-index claddings" IEEE J. Quantum Electron. QE-18,1467-1472 (1982).
[CrossRef]

Marcuse, D.

L. G. Cohen, D. Marcuse, and W. L. Mammel, "Radiating leak-mode losses in single-mode lightguides with depressed-index claddings" IEEE J. Quantum Electron. QE-18,1467-1472 (1982).
[CrossRef]

Neves, V. I.

V. I. Neves and A. S. C. Fernandes, "Modal characteristics for W-type and M-type dielectric profile fibres", Micro. & Opt. Tech. Lett. 22,398-405 (1999).
[CrossRef]

Nilsson, J.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, "Ytterbium-doped large-core fiber laser with 1.36kW continuous-wave output power," Opt. Express 12, 6088-6092 (2004).
[CrossRef] [PubMed]

Oh, K.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Payne, D. N.

Philippov, V.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Rojas-Laguna, R.

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

Ruffin, B.

Sahu, J. K.

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, "Ytterbium-doped large-core fiber laser with 1.36kW continuous-wave output power," Opt. Express 12, 6088-6092 (2004).
[CrossRef] [PubMed]

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Smith, R. G.

Soh, D. B. S.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Teodoro, F. D.

Torres-Cisneros, M.

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

Tünnermann, A.

J. Limpert, A. Liem, H. Zellmer, and A. Tünnermann, "500 W continuous-wave fiber laser with excellent beam quality" Electron. Lett. 39, 645-647 (2003).
[CrossRef]

Walton, D.

Wang, J.

Yoo, S.

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

Zellmer, H.

J. Limpert, A. Liem, H. Zellmer, and A. Tünnermann, "500 W continuous-wave fiber laser with excellent beam quality" Electron. Lett. 39, 645-647 (2003).
[CrossRef]

Zenteno, L.

Appl. Opt. (1)

Electron. Lett. (1)

J. Limpert, A. Liem, H. Zellmer, and A. Tünnermann, "500 W continuous-wave fiber laser with excellent beam quality" Electron. Lett. 39, 645-647 (2003).
[CrossRef]

IEEE J. Quantum Electron. (2)

D. B. S. Soh, S. Yoo, J. Nilsson, J. K. Sahu, K. Oh, S. Baek, Y. Jeong, C. A. Codemard, P. Dupriez, J. Kim, and V. Philippov "Neodymium-doped cladding pump aluminosilicate fiber laser tunable in the 0.9μm wavelength range", IEEE J. Quantum Electron. 40,1275-1282, (2004).
[CrossRef]

L. G. Cohen, D. Marcuse, and W. L. Mammel, "Radiating leak-mode losses in single-mode lightguides with depressed-index claddings" IEEE J. Quantum Electron. QE-18,1467-1472 (1982).
[CrossRef]

Micro. & Opt. Tech. Lett. (1)

V. I. Neves and A. S. C. Fernandes, "Modal characteristics for W-type and M-type dielectric profile fibres", Micro. & Opt. Tech. Lett. 22,398-405 (1999).
[CrossRef]

Opt. Commun. (2)

E. A. Kuzin, G. Beltran-Perez, M. A. Basurto-Pensado, R. Rojas-Laguna, J. A. Andrade-Lucio, M. Torres-Cisneros, and E. Alvarado-Mendez, "Stimulated Raman scattering in a fiber with bending loss" Opt. Commun. 169, 87-91 (1999).
[CrossRef]

P. D. Dragic, "Suppression of first order stimulated Raman scattering in erbium-doped fiber laser based LIDAR transmitters through induced bending loss" Opt. Commun. 250, 403-410 (2005).
[CrossRef]

Opt. Express (4)

Other (7)

T. J. Kane, G. Keaton, M. A. Arbore, D. R. Balsley, J. F. Black, J. L. Brooks, M. Byer, L. A. Eyres, M. Leonardo, J. J. Morehead, C. Rich, D. J. Richard, L. A. Smoliar, and Y. Zhou, "3-Watt blue source based on 914-nm Nd:YVO4 passively-Q-switched laser amplified in cladding-pumped Nd:fiber", presented at Adv. Solid-State Photonics Santa Fe, NM, USA, February 2-5, 2004, paper MD7.

V. Gapontsev, "2kW single mode output from the fiber laser," presented at Photonic West 2005, San Jose, USA, Jan 21- 26 (2005).

P. Dupriez, A. Piper, A. Malinowski, J. K. Sahu, M. Ibsen, Y. Jeong, L. M. B. Hickey, M. N. Zervas, J. Nilsson, and D. J. Richardson, "321 W average power 1 GHz, 20 ps 1060 nm pulsed fiber MOPA source," presented at OFC 2005, Anaheim, USA 6-11 Mar 2005 (Postdeadline).

G. P. Agrawal, Nonlinear fiber optics,(San Diego, Academic press, 3rd edition, 2001).

N. S. Platonov, D. V. Gapontsev, V. P. Gapontsev, and V. Shumilin, " 135 W CW fiber laser with perfect single mode output" in Proc. CLEO 2002, Long Beach, USA, 19-24 May 2002 (postdeadline paper CPDC3).

F. D. Teodoro, J. P. Koplow, S. W. Moore, and D. A. V. Kliner, "Diffraction-limited, 300-kW-peak-power pulses from a Yb-doped fiber amplifier," in Proc. CLEO 2002, Long Beach, USA, 19-24 May 2002 Technical Digest vol.1 pp592-593

J. A. Alvarez-Chavez, A. B. Grudinin, J. Nilsson, P. W. Turner, and W. A. Clarkson, "Mode selection in high power cladding pumped fiber lasers with tapered section," presented at CLOE/QELS 1999 Baltimore 23-28 May 1999 CWE7.

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Figures (8)

Fig. 1.
Fig. 1.

Simulated power evolution of the signal and the Raman Stokes wave in our Yb-doped fiber, in the absence of Raman suppression. Absorbed pump power: 40 W (launched pump power : 70 W), input signal: 2 W average power in 103 ps pulses at 32 MHz repetition rate.

Fig. 2.
Fig. 2.

Calculated maximum signal power (Raman threshold) and the fiber length at corresponding power vs. loss at the Raman Stokes wavelength. Launched pump power 70 W, pump absorption 0.3 dB/m, input signal, 2 W average power in 103 ps pulses at 32 MHz repetition rate).

Fig. 3.
Fig. 3.

(a) Effective indices vs. wavelength of the W-type fiber we designed. Inset: Core structure. (b) Calculated LP01 mode bending loss of the designed W-type fiber versus wavelength at different bending radii.

Fig. 4.
Fig. 4.

(a) White light transmission spectra for different bend radii of the fabricated fiber measured with a tungsten-halogen lamp. Fiber length 1 m, spectral resolution 1 nm. Inset: back-lit image of our W-type fiber. (b) LP01 mode cut-off vs. bend radius.

Fig. 5.
Fig. 5.

Experimental MOPA set-up. HR: high reflectivity, HT: high transmission.

Fig. 6.
Fig. 6.

Output power characteristics of the MOPA system at different bending radii.

Fig. 7.
Fig. 7.

Optical output spectra of the MOPA system. (a) bending radius 15cm, (b) bending radius 5cm. Resolution 1 nm.

Fig. 8.
Fig. 8.

The ratio of the signal, the Yb ASE and the Raman Stokes power over the total output power in the forward direction and the corresponding signal peak power at 1060 nm. (a) bending radius 15 cm, (b) bending radius 5 cm.

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

d P P dz = [ ( σ P a + σ P e ) N 2 σ P a ] N Γ P P P ,
d P S dz = [ ( σ S a + σ S e ) N 2 σ S a ] N Γ S P S ν S ν R g R A eff Γ R P R P S ,
d P R dz = [ ( σ R a + σ R e ) N 2 σ R a ] N Γ R P R + g R A eff P S Γ R ( P R + P spon κ ) α R P R .
N 2 = σ p a P P Γ P Ah ν P + σ S a P S Γ S Ah ν S + σ R a P R Γ R Ah ν R 1 τ + ( σ P a + σ P e ) P P Γ P Ah ν P + ( σ S a + σ S e ) P S Γ S Ah ν S + ( σ R a + σ R e ) P R Γ R Ah ν R .

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