Abstract

We report the highest power operation of a monolithic polarised gain-switched holmium fiber laser. In this paper we describe the pulsed operation of two monolithic holmium fiber lasers, which were gain-switched by a pulsed thulium fiber laser. The first holmium laser produced pulses with a minimum pulse duration of 85 ns, maximum pulse energy of 16 µJ and repetition rate of 600 kHz. This laser was linearly polarised with an extinction ratio of >18.5 dB under all operating conditions and achieved average powers of up to 5.1 W at 2.104 µm. The second laser demonstrated shorter pulses with a minimum duration of 38 ns at a maximum repetition rate of 300 kHz. This laser produced up to 1.5 W of average power at 2.112 µm.

© 2012 OSA

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  1. D. Creeden, P. A. Ketteridge, P. A. Budni, S. D. Setzler, Y. E. Young, J. C. McCarthy, K. Zawilski, P. G. Schunemann, T. M. Pollak, E. P. Chicklis, and M. Jiang, “Mid-infrared ZnGeP2 parametric oscillator directly pumped by a pulsed 2 microm Tm-doped fiber laser,” Opt. Lett.33(4), 315–317 (2008).
    [CrossRef] [PubMed]
  2. M. Jiang and P. Tayebati, “Stable 10 ns, kilowatt peak-power pulse generation from a gain-switched Tm-doped fiber laser,” Opt. Lett.32(13), 1797–1799 (2007).
    [CrossRef] [PubMed]
  3. N. Simakov, A. Hemming, S. Bennetts, and J. Haub, “Efficient, polarised, gain-switched operation of a Tm-doped fibre laser,” Opt. Express19(16), 14949–14954 (2011).
    [CrossRef] [PubMed]
  4. N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
    [CrossRef]
  5. Eksma Optics, “Infrared non-linear crystals,” www.eksmaoptics.com/repository/catalogue/pdfai/NLOC/nonlinear%20crystals/IR.pdf .
  6. D. C. Hanna, R. M. Percival, R. G. Smart, and A. C. Tropper, “Efficient and tunable operation of a Tm-doped fibre laser,” Opt. Commun.75(3-4), 283–286 (1990), http://www.sciencedirect.com/science/article/pii/003040189090533Y .
    [CrossRef]
  7. M. Eichhorn and S. D. Jackson, “High-pulse-energy, actively Q-switched Tm3+,Ho3+ -codoped silica 2 microm fiber laser,” Opt. Lett.33(10), 1044–1046 (2008).
    [CrossRef] [PubMed]
  8. A. Shirakawa, H. Maruyama, K. Ueda, C. B. Olausson, J. K. Lyngsø, and J. Broeng, “High-power Yb-doped photonic bandgap fiber amplifier at 1150-1200 nm,” Opt. Express17(2), 447–454 (2009).
    [CrossRef] [PubMed]
  9. S. D. Jackson, “Midinfrared holmium fiber lasers,” IEEE J. Quantum Electron.42(2), 187–191 (2006), http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1580647&tag=1 .
    [CrossRef]
  10. J. W. Kim, A. Boyland, J. K. Sahu, and W. A. Clarkson, “Ho-doped silica fibre laser in-band pumped by a Tm-doped fibre laser,” in CLEO/Europe and EQEC, Technical Digest (CD) (Optical Society of America, 2009), paper CJ6_5.
  11. A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
    [CrossRef]
  12. K. S. Wu, D. Ottaway, J. Munch, D. G. Lancaster, S. Bennetts, and S. D. Jackson, “Gain-switched holmium-doped fibre laser,” Opt. Express17(23), 20872–20877 (2009).
    [CrossRef] [PubMed]
  13. N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
    [CrossRef]
  14. A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
    [CrossRef]
  15. C. Spiegelberg, J. Geng, Y. Hu, Y. Kaneda, S. Jiang, and N. Peyghambarian, “Low-noise narrow-linewidth fiber laser at 1550 nm (June 2003),” J. Lightwave Technol.22(1), 57–62 (2004), http://jlt.osa.org/abstract.cfm?URI=jlt-22-1-57 .
    [CrossRef]
  16. A. E. Siegman, Lasers (University Science Books, Mill Valley, Calif, 1986).
  17. A. S. Kurkov, E. M. Sholokhov, A. V. Marakulin, and L. A. Minashina, “Effect of active-ion concentration on holmium fibre laser efficiency,” Quantum Electron.40(5), 386–388 (2010), http://iopscience.iop.org/1063-7818/40/5/A03?fromSearchPage=true .
    [CrossRef]
  18. A. Hemming, S. Bennetts, N. Simakov, A. Davidson, J. Haub, and A. Carter, “Resonantly pumped 2 µm holmium fibre lasers,” in Specialty Optical Fibres, Technical Digest (CD) (Optical Society of America, 2011), paper SOMB1.

2012 (2)

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
[CrossRef]

2011 (1)

2010 (1)

A. S. Kurkov, E. M. Sholokhov, A. V. Marakulin, and L. A. Minashina, “Effect of active-ion concentration on holmium fibre laser efficiency,” Quantum Electron.40(5), 386–388 (2010), http://iopscience.iop.org/1063-7818/40/5/A03?fromSearchPage=true .
[CrossRef]

2009 (2)

2008 (3)

2007 (2)

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

M. Jiang and P. Tayebati, “Stable 10 ns, kilowatt peak-power pulse generation from a gain-switched Tm-doped fiber laser,” Opt. Lett.32(13), 1797–1799 (2007).
[CrossRef] [PubMed]

2006 (1)

S. D. Jackson, “Midinfrared holmium fiber lasers,” IEEE J. Quantum Electron.42(2), 187–191 (2006), http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1580647&tag=1 .
[CrossRef]

2004 (1)

1990 (1)

D. C. Hanna, R. M. Percival, R. G. Smart, and A. C. Tropper, “Efficient and tunable operation of a Tm-doped fibre laser,” Opt. Commun.75(3-4), 283–286 (1990), http://www.sciencedirect.com/science/article/pii/003040189090533Y .
[CrossRef]

Bennetts, S.

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
[CrossRef]

N. Simakov, A. Hemming, S. Bennetts, and J. Haub, “Efficient, polarised, gain-switched operation of a Tm-doped fibre laser,” Opt. Express19(16), 14949–14954 (2011).
[CrossRef] [PubMed]

K. S. Wu, D. Ottaway, J. Munch, D. G. Lancaster, S. Bennetts, and S. D. Jackson, “Gain-switched holmium-doped fibre laser,” Opt. Express17(23), 20872–20877 (2009).
[CrossRef] [PubMed]

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

Broeng, J.

Budni, P. A.

Carmody, N.

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

Carter, A.

A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
[CrossRef]

Chicklis, E. P.

Creeden, D.

Davidson, A.

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

Davies, P.

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

Eichhorn, M.

Fuerbach, A.

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

Furuya, H.

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

Geng, J.

Hanna, D. C.

D. C. Hanna, R. M. Percival, R. G. Smart, and A. C. Tropper, “Efficient and tunable operation of a Tm-doped fibre laser,” Opt. Commun.75(3-4), 283–286 (1990), http://www.sciencedirect.com/science/article/pii/003040189090533Y .
[CrossRef]

Haub, J.

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
[CrossRef]

N. Simakov, A. Hemming, S. Bennetts, and J. Haub, “Efficient, polarised, gain-switched operation of a Tm-doped fibre laser,” Opt. Express19(16), 14949–14954 (2011).
[CrossRef] [PubMed]

Hemming, A.

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
[CrossRef]

N. Simakov, A. Hemming, S. Bennetts, and J. Haub, “Efficient, polarised, gain-switched operation of a Tm-doped fibre laser,” Opt. Express19(16), 14949–14954 (2011).
[CrossRef] [PubMed]

Hu, Y.

Hughes, M.

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

Jackson, S. D.

Jiang, M.

Jiang, S.

Jovanovic, N.

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

Kamijo, M.

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

Kaneda, Y.

Ketteridge, P. A.

Kurkov, A. S.

A. S. Kurkov, E. M. Sholokhov, A. V. Marakulin, and L. A. Minashina, “Effect of active-ion concentration on holmium fibre laser efficiency,” Quantum Electron.40(5), 386–388 (2010), http://iopscience.iop.org/1063-7818/40/5/A03?fromSearchPage=true .
[CrossRef]

Lancaster, D. G.

K. S. Wu, D. Ottaway, J. Munch, D. G. Lancaster, S. Bennetts, and S. D. Jackson, “Gain-switched holmium-doped fibre laser,” Opt. Express17(23), 20872–20877 (2009).
[CrossRef] [PubMed]

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

Lyngsø, J. K.

Marakulin, A. V.

A. S. Kurkov, E. M. Sholokhov, A. V. Marakulin, and L. A. Minashina, “Effect of active-ion concentration on holmium fibre laser efficiency,” Quantum Electron.40(5), 386–388 (2010), http://iopscience.iop.org/1063-7818/40/5/A03?fromSearchPage=true .
[CrossRef]

Marshall, G. D.

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

Maruyama, H.

McCarthy, J. C.

Minashina, L. A.

A. S. Kurkov, E. M. Sholokhov, A. V. Marakulin, and L. A. Minashina, “Effect of active-ion concentration on holmium fibre laser efficiency,” Quantum Electron.40(5), 386–388 (2010), http://iopscience.iop.org/1063-7818/40/5/A03?fromSearchPage=true .
[CrossRef]

Mizuuchi, K.

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

Munch, J.

Olausson, C. B.

Ota, J.

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

Ottaway, D.

Percival, R. M.

D. C. Hanna, R. M. Percival, R. G. Smart, and A. C. Tropper, “Efficient and tunable operation of a Tm-doped fibre laser,” Opt. Commun.75(3-4), 283–286 (1990), http://www.sciencedirect.com/science/article/pii/003040189090533Y .
[CrossRef]

Peyghambarian, N.

Pollak, T. M.

Schunemann, P. G.

Setzler, S. D.

Shirakawa, A.

A. Shirakawa, H. Maruyama, K. Ueda, C. B. Olausson, J. K. Lyngsø, and J. Broeng, “High-power Yb-doped photonic bandgap fiber amplifier at 1150-1200 nm,” Opt. Express17(2), 447–454 (2009).
[CrossRef] [PubMed]

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

Sholokhov, E. M.

A. S. Kurkov, E. M. Sholokhov, A. V. Marakulin, and L. A. Minashina, “Effect of active-ion concentration on holmium fibre laser efficiency,” Quantum Electron.40(5), 386–388 (2010), http://iopscience.iop.org/1063-7818/40/5/A03?fromSearchPage=true .
[CrossRef]

Simakov, N.

A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
[CrossRef]

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

N. Simakov, A. Hemming, S. Bennetts, and J. Haub, “Efficient, polarised, gain-switched operation of a Tm-doped fibre laser,” Opt. Express19(16), 14949–14954 (2011).
[CrossRef] [PubMed]

Smart, R. G.

D. C. Hanna, R. M. Percival, R. G. Smart, and A. C. Tropper, “Efficient and tunable operation of a Tm-doped fibre laser,” Opt. Commun.75(3-4), 283–286 (1990), http://www.sciencedirect.com/science/article/pii/003040189090533Y .
[CrossRef]

Spiegelberg, C.

Tayebati, P.

Town, G. E.

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

Tropper, A. C.

D. C. Hanna, R. M. Percival, R. G. Smart, and A. C. Tropper, “Efficient and tunable operation of a Tm-doped fibre laser,” Opt. Commun.75(3-4), 283–286 (1990), http://www.sciencedirect.com/science/article/pii/003040189090533Y .
[CrossRef]

Ueda, K.

A. Shirakawa, H. Maruyama, K. Ueda, C. B. Olausson, J. K. Lyngsø, and J. Broeng, “High-power Yb-doped photonic bandgap fiber amplifier at 1150-1200 nm,” Opt. Express17(2), 447–454 (2009).
[CrossRef] [PubMed]

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

Withford, M. J.

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

Wu, K. S.

Yamamoto, K.

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

Young, Y. E.

Zawilski, K.

IEEE J. Quantum Electron. (1)

S. D. Jackson, “Midinfrared holmium fiber lasers,” IEEE J. Quantum Electron.42(2), 187–191 (2006), http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1580647&tag=1 .
[CrossRef]

IEEE Photon. Technol. Lett. (2)

N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. Lancaster, and M. J. Withford, “Highly narrow linewidth, CW, all-fiber oscillator with a switchable linear polarization,” IEEE Photon. Technol. Lett.20(10), 809–811 (2008), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4492816&isnumber=4490017 .
[CrossRef]

A. Shirakawa, M. Kamijo, J. Ota, K. Ueda, K. Mizuuchi, H. Furuya, and K. Yamamoto, “Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration,” IEEE Photon. Technol. Lett.19(20), 1664–1666 (2007), http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4336159&isnumber=4305220 .
[CrossRef]

J. Lightwave Technol. (1)

Opt. Commun. (1)

D. C. Hanna, R. M. Percival, R. G. Smart, and A. C. Tropper, “Efficient and tunable operation of a Tm-doped fibre laser,” Opt. Commun.75(3-4), 283–286 (1990), http://www.sciencedirect.com/science/article/pii/003040189090533Y .
[CrossRef]

Opt. Express (3)

Opt. Lett. (3)

Proc. SPIE (2)

N. Simakov, A. Davidson, A. Hemming, S. Bennetts, M. Hughes, N. Carmody, P. Davies, and J. Haub, “Mid-infrared generation in ZnGeP2 pumped by a monolithic, power scalable 2-µm source,” Proc. SPIE8237, 82373K, 82373K-6 (2012), doi:.
[CrossRef]

A. Hemming, S. Bennetts, N. Simakov, J. Haub, and A. Carter, “Development of resonantly cladding-pumped holmium-doped fibre lasers,” Proc. SPIE8237, 82371J, (2012), doi:.
[CrossRef]

Quantum Electron. (1)

A. S. Kurkov, E. M. Sholokhov, A. V. Marakulin, and L. A. Minashina, “Effect of active-ion concentration on holmium fibre laser efficiency,” Quantum Electron.40(5), 386–388 (2010), http://iopscience.iop.org/1063-7818/40/5/A03?fromSearchPage=true .
[CrossRef]

Other (4)

A. Hemming, S. Bennetts, N. Simakov, A. Davidson, J. Haub, and A. Carter, “Resonantly pumped 2 µm holmium fibre lasers,” in Specialty Optical Fibres, Technical Digest (CD) (Optical Society of America, 2011), paper SOMB1.

A. E. Siegman, Lasers (University Science Books, Mill Valley, Calif, 1986).

Eksma Optics, “Infrared non-linear crystals,” www.eksmaoptics.com/repository/catalogue/pdfai/NLOC/nonlinear%20crystals/IR.pdf .

J. W. Kim, A. Boyland, J. K. Sahu, and W. A. Clarkson, “Ho-doped silica fibre laser in-band pumped by a Tm-doped fibre laser,” in CLEO/Europe and EQEC, Technical Digest (CD) (Optical Society of America, 2009), paper CJ6_5.

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Figures (5)

Fig. 1
Fig. 1

Schematic of 1.55 µm pulsed pump source and gain-switched thulium fiber laser. Also shown is the 90° splice to the strain tuned output coupler (OC) which enables single polarisation operation.

Fig. 2
Fig. 2

Shown are the grating spectra as measured by an un-polarised super-continuum source and an optical spectrum analyser with a 0.05 nm resolution. The 2 peaks correspond to the fast and slow axes of the highly bi-refringent fiber. The gratings were strain tuned during the writing process such that the output coupler slow axis overlapped with the high reflector’s fast axis.

Fig. 3
Fig. 3

(a) The second stage of the 1.55 μm pump operates at a slope efficiency of 35% with respect to incident diode power. The output power was measured at the output of a passive 10 µm diameter, 0.15 NA core fiber which contained the high reflectivity grating of the thulium laser. (b) The gain-switched thulium laser operated with a slope efficiency of 48% with respect to incident 1.55 μm pump.

Fig. 4
Fig. 4

(a) Holmium laser output power vs. 1.95 μm launched pump power at different repetition rates. Inset: Pulses from each stage of the laser. (b) Pulse duration vs. pulse energy of the gain-switched holmium fiber laser.

Fig. 5
Fig. 5

(a) Average power output of gain-switched holmium-laser. (b) Pulse duration as a function of holmium fiber output energy.

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