Abstract

We demonstrate comparative studies for Cr4+:YAG crystal and AlGaInAs quantum-well (QW) used as a saturable absorbers in passively Q-switched Yb-doped fiber lasers. Both saturable absorbers were designed to be possessed of nearly the same initial transmission. Under a pump power of 24 W, the average output powers were up to 14.4 W and 13.8 W obtained with the AlGaInAs QWs and with the Cr4+:YAG crystal, respectively. The maximum pulse energies obtained with the Cr4+:YAG crystal and with the AlGaInAs QWs were found to be 0.35 mJ and 0.45 mJ, respectively.

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  1. Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
    [CrossRef]
  2. Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fibre laser with 1 kW of continuous-wave output power,” Electron. Lett. 40(8), 470–471 (2004).
    [CrossRef]
  3. A. Liem, J. Limpert, H. Zellmer, A. Tünnermann, V. Reichel, K. Mörl, S. Jetschke, S. Unger, H.-R. Müller, J. Kirchhof, T. Sandrock, and A. Harschak, “1.3 kW Yb-doped fiber laser with excellent beam quality,” in Proc. Conference on Lasers and Electro-Optics 2004, San Francisco, USA, May 16–21, 2004, postdeadline paper CPDD2.
  4. A. Fotiadi, A. Kurkov, and I. Razdobreev, “All-fiber passively Q-switched ytterbium laser,” CLEO/Europe-EQEC 2005, Technical Digest, CJ 2–3, Munich, Germany (2005).
  5. T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
    [CrossRef]
  6. P. Adel, M. Auerbach, C. Fallnich, S. Unger, H.-R. Müller, and J. Kirchhof, “Passive Q-switching by Tm3+co-doping of a Yb3+-fiber laser,” Opt. Express 11(21), 2730–2735 (2003).
    [CrossRef] [PubMed]
  7. M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
    [CrossRef]
  8. M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorgé, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27(22), 1980–1082 (2002).
    [CrossRef]
  9. F. Z. Qamar and T. A. King, “Passive Q-switching of the Tm-silica fiber laser near 2 mm by Cr2+:ZnSe saturable absorber crystal,” Opt. Commun . 248, 501–505 (2005).
    [CrossRef]
  10. T. Hakulinen and O. G. Okhotnikov, “8 ns fiber laser Q switched by the resonant saturable absorber mirror,” Opt. Lett. 32(18), 2677–2679 (2007).
    [CrossRef] [PubMed]
  11. S. Kivistö, R. Koskinen, J. Paajaste, S. D. Jackson, M. Guina, and O. G. Okhotnikov, “Passively Q-switched Tm3+, Ho3+-doped silica fiber laser using a highly nonlinear saturable absorber and dynamic gain pulse compression,” Opt. Express 16(26), 22058–22063 (2008).
    [CrossRef] [PubMed]
  12. K. Alavi, H. Temkin, W. R. Wagner, and A. Y. Cho, “Optically pumped 1.55-µm double heterostructure GaxAlyIn1−x−yAs/AluIn1−uAs lasers grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(3), 254–256 (1983).
    [CrossRef]
  13. W. T. Tsang and N. A. Olsson, “New current injection 1.5-µm wavelength GaxAlyIn1−x−yAs/InP double-heterostructure laser grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(11), 922–924 (1983).
    [CrossRef]
  14. S. C. Huang, S. C. Liu, A. Li, K. W. Su, Y. F. Chen, and K. F. Huang, “AlGaInAs quantum-well as a saturable absorber in a diode-pumped passively Q-switched solid-state laser,” Opt. Lett. 32(11), 1480–1482 (2007).
    [CrossRef] [PubMed]
  15. J. Y. Huang, W. C. Huang, W. Z. Zhuang, K. W. Su, Y. F. Chen, and K. F. Huang, “High-pulse-energy, passively Q-switched Yb-doped fiber laser with AlGaInAs quantum wells as a saturable absorber,” Opt. Lett. 34(15), 2360–2362 (2009).
    [CrossRef] [PubMed]
  16. H. Ridderbusch and T. Graf, “Saturation of 1047- and 1064nm absorption in Cr4+:YAG crystals,” IEEE J. Quantum Electron. 43(2), 168–173 (2007).
    [CrossRef]
  17. V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
    [CrossRef]
  18. Y. Kalisky, “Cr4+-doped crystals: their use as lasers and passive Q-switches,” Prog. Quantum Electron. 28(5), 249–303 (2004).
    [CrossRef]
  19. Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
    [CrossRef]

2009 (1)

2008 (1)

2007 (3)

2006 (1)

M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
[CrossRef]

2004 (2)

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fibre laser with 1 kW of continuous-wave output power,” Electron. Lett. 40(8), 470–471 (2004).
[CrossRef]

Y. Kalisky, “Cr4+-doped crystals: their use as lasers and passive Q-switches,” Prog. Quantum Electron. 28(5), 249–303 (2004).
[CrossRef]

2003 (3)

T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
[CrossRef]

P. Adel, M. Auerbach, C. Fallnich, S. Unger, H.-R. Müller, and J. Kirchhof, “Passive Q-switching by Tm3+co-doping of a Yb3+-fiber laser,” Opt. Express 11(21), 2730–2735 (2003).
[CrossRef] [PubMed]

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

2002 (2)

M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorgé, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27(22), 1980–1082 (2002).
[CrossRef]

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

1998 (1)

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
[CrossRef]

1983 (2)

K. Alavi, H. Temkin, W. R. Wagner, and A. Y. Cho, “Optically pumped 1.55-µm double heterostructure GaxAlyIn1−x−yAs/AluIn1−uAs lasers grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(3), 254–256 (1983).
[CrossRef]

W. T. Tsang and N. A. Olsson, “New current injection 1.5-µm wavelength GaxAlyIn1−x−yAs/InP double-heterostructure laser grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(11), 922–924 (1983).
[CrossRef]

Adel, P.

Aït-Ameur, K.

M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
[CrossRef]

Alavi, K.

K. Alavi, H. Temkin, W. R. Wagner, and A. Y. Cho, “Optically pumped 1.55-µm double heterostructure GaxAlyIn1−x−yAs/AluIn1−uAs lasers grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(3), 254–256 (1983).
[CrossRef]

Auerbach, M.

Blau, P.

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
[CrossRef]

Burshtein, Z.

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
[CrossRef]

Chardon, A. M.

Chen, Y. F.

Cho, A. Y.

K. Alavi, H. Temkin, W. R. Wagner, and A. Y. Cho, “Optically pumped 1.55-µm double heterostructure GaxAlyIn1−x−yAs/AluIn1−uAs lasers grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(3), 254–256 (1983).
[CrossRef]

Clarkson, W. A.

Djellout, H.

T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
[CrossRef]

Dussardier, B.

T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
[CrossRef]

Fallnich, C.

Ferrand, B.

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Fromager, M.

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Furusawa, K.

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

Gilles, H.

M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
[CrossRef]

Girard, S.

M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
[CrossRef]

M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorgé, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27(22), 1980–1082 (2002).
[CrossRef]

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Graf, T.

H. Ridderbusch and T. Graf, “Saturation of 1047- and 1064nm absorption in Cr4+:YAG crystals,” IEEE J. Quantum Electron. 43(2), 168–173 (2007).
[CrossRef]

Guina, M.

Hakulinen, T.

Huang, J. Y.

Huang, K. F.

Huang, S. C.

Huang, W. C.

Jackson, S. D.

Jeong, Y.

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fibre laser with 1 kW of continuous-wave output power,” Electron. Lett. 40(8), 470–471 (2004).
[CrossRef]

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

Kalisky, Y.

Y. Kalisky, “Cr4+-doped crystals: their use as lasers and passive Q-switches,” Prog. Quantum Electron. 28(5), 249–303 (2004).
[CrossRef]

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
[CrossRef]

Kirchhof, J.

Kivistö, S.

Kokta, M. R.

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
[CrossRef]

Koskinen, R.

Kuleshov, N. V.

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Laroche, M.

M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
[CrossRef]

M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorgé, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27(22), 1980–1082 (2002).
[CrossRef]

Levchenko, V. I.

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Li, A.

Liu, S. C.

Moncorgé, R.

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorgé, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27(22), 1980–1082 (2002).
[CrossRef]

Monnom, G.

T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
[CrossRef]

Müller, H.-R.

Nilsson, J.

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fibre laser with 1 kW of continuous-wave output power,” Electron. Lett. 40(8), 470–471 (2004).
[CrossRef]

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorgé, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27(22), 1980–1082 (2002).
[CrossRef]

Okhotnikov, O. G.

Olsson, N. A.

W. T. Tsang and N. A. Olsson, “New current injection 1.5-µm wavelength GaxAlyIn1−x−yAs/InP double-heterostructure laser grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(11), 922–924 (1983).
[CrossRef]

Paajaste, J.

Passilly, N.

M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
[CrossRef]

Payne, D. N.

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fibre laser with 1 kW of continuous-wave output power,” Electron. Lett. 40(8), 470–471 (2004).
[CrossRef]

Richardson, D. J.

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

Ridderbusch, H.

H. Ridderbusch and T. Graf, “Saturation of 1047- and 1064nm absorption in Cr4+:YAG crystals,” IEEE J. Quantum Electron. 43(2), 168–173 (2007).
[CrossRef]

Sahu, J. K.

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fibre laser with 1 kW of continuous-wave output power,” Electron. Lett. 40(8), 470–471 (2004).
[CrossRef]

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

Saïssy, A.

T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
[CrossRef]

Shcherbitsky, V. G.

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Shepherd, D. P.

Shimony, Y.

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
[CrossRef]

Su, K. W.

Temkin, H.

K. Alavi, H. Temkin, W. R. Wagner, and A. Y. Cho, “Optically pumped 1.55-µm double heterostructure GaxAlyIn1−x−yAs/AluIn1−uAs lasers grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(3), 254–256 (1983).
[CrossRef]

Tordella, T.

T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
[CrossRef]

Tsang, W. T.

W. T. Tsang and N. A. Olsson, “New current injection 1.5-µm wavelength GaxAlyIn1−x−yAs/InP double-heterostructure laser grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(11), 922–924 (1983).
[CrossRef]

Unger, S.

Wagner, W. R.

K. Alavi, H. Temkin, W. R. Wagner, and A. Y. Cho, “Optically pumped 1.55-µm double heterostructure GaxAlyIn1−x−yAs/AluIn1−uAs lasers grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(3), 254–256 (1983).
[CrossRef]

Williams, R. B.

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

Yakimovich, V. N.

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Zhuang, W. Z.

Appl. Phys. B (1)

V. G. Shcherbitsky, S. Girard, M. Fromager, R. Moncorgé, N. V. Kuleshov, V. I. Levchenko, V. N. Yakimovich, and B. Ferrand, “Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers,” Appl. Phys. B 74, 367–374 (2002).
[CrossRef]

Appl. Phys. Lett. (2)

K. Alavi, H. Temkin, W. R. Wagner, and A. Y. Cho, “Optically pumped 1.55-µm double heterostructure GaxAlyIn1−x−yAs/AluIn1−uAs lasers grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(3), 254–256 (1983).
[CrossRef]

W. T. Tsang and N. A. Olsson, “New current injection 1.5-µm wavelength GaxAlyIn1−x−yAs/InP double-heterostructure laser grown by molecular beam epitaxy,” Appl. Phys. Lett. 42(11), 922–924 (1983).
[CrossRef]

Electron. Lett. (3)

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, “Ytterbium-doped largecore fibre laser with 272 W output power,” Electron. Lett. 39(13), 977–978 (2003).
[CrossRef]

Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fibre laser with 1 kW of continuous-wave output power,” Electron. Lett. 40(8), 470–471 (2004).
[CrossRef]

T. Tordella, H. Djellout, B. Dussardier, A. Saïssy, and G. Monnom, “High repetition rate passively Q-switched Nd3+:Cr4+ all-fibre laser,” Electron. Lett. 39(18), 1307–1308 (2003).
[CrossRef]

IEEE J. Quantum Electron. (2)

H. Ridderbusch and T. Graf, “Saturation of 1047- and 1064nm absorption in Cr4+:YAG crystals,” IEEE J. Quantum Electron. 43(2), 168–173 (2007).
[CrossRef]

Z. Burshtein, P. Blau, Y. Kalisky, Y. Shimony, and M. R. Kokta, “Excited-state absorption studies of Cr4+ ions in several garnet host crystals,” IEEE J. Quantum Electron. 34(2), 292–299 (1998).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

M. Laroche, H. Gilles, S. Girard, N. Passilly, and K. Aït-Ameur, “Nanosecond pulse generation in a passively Q-switched Yb-doped fiber laser by Cr4+:YAG saturable absorber,” IEEE Photon. Technol. Lett. 18(6), 764–766 (2006).
[CrossRef]

Opt. Express (2)

Opt. Lett. (4)

Prog. Quantum Electron. (1)

Y. Kalisky, “Cr4+-doped crystals: their use as lasers and passive Q-switches,” Prog. Quantum Electron. 28(5), 249–303 (2004).
[CrossRef]

Other (3)

F. Z. Qamar and T. A. King, “Passive Q-switching of the Tm-silica fiber laser near 2 mm by Cr2+:ZnSe saturable absorber crystal,” Opt. Commun . 248, 501–505 (2005).
[CrossRef]

A. Liem, J. Limpert, H. Zellmer, A. Tünnermann, V. Reichel, K. Mörl, S. Jetschke, S. Unger, H.-R. Müller, J. Kirchhof, T. Sandrock, and A. Harschak, “1.3 kW Yb-doped fiber laser with excellent beam quality,” in Proc. Conference on Lasers and Electro-Optics 2004, San Francisco, USA, May 16–21, 2004, postdeadline paper CPDD2.

A. Fotiadi, A. Kurkov, and I. Razdobreev, “All-fiber passively Q-switched ytterbium laser,” CLEO/Europe-EQEC 2005, Technical Digest, CJ 2–3, Munich, Germany (2005).

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Figures (6)

Fig. 1
Fig. 1

Saturation transmission of the AlGaInAs QWs and the Cr4+:YAG crystal.

Fig. 2
Fig. 2

Schematic of diode-pumped PQS Yb-doped fiber lasers. (a) with Cr4+:YA crystal (b) with AlGaInAs QWs. HR: high reflection; HT: high transmission.

Fig. 3
Fig. 3

Dependence of the average output power on the launched pump power for the cw and passive Q-switching operations.

Fig. 4
Fig. 4

(a) Pulse repetition rate and (b) pulse energy versus the launched pump power.

Fig. 5
Fig. 5

Pulse energy versus the resonant wavelength.

Fig. 6
Fig. 6

Top: Oscilloscope traces of a typical Q-switched envelope; Bottom: Oscilloscope traces of a train of Q-switched pulses.

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