Abstract

All-fiber lasers offer increased robustness and simplicity over other fiber laser systems. Current active Q-switching techniques for all-fiber lasers rely on electro-mechanical transducers to strain-tune an intra-cavity fiber-Bragg grating, which adds complexity and can lead to vibrational sensitivity. An all-optical technique for achieving active Q-switched operation is a more elegant approach and would maintain the inherent robustness and simplicity of an all-fiber laser system. In this work, we studied the optical tuning of a fiber-Bragg grating by resonant optical pumping and optimized it for application to active systems. We incorporated an optically-tunable fiber-Bragg grating into a fiber laser and demonstrated active Q-switching at 35 kHz with this all-optical, all-fiber laser system. We highlight the potential to operate at >300 kHz with the current embodiment. To our knowledge, this is the first demonstration of an optically-driven active Q-switch in a fiber laser. Further potential to operate at MHz frequencies is discussed.

© 2010 OSA

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  1. X. P. Cheng, P. Shum, C. H. Tse, R. F. Wu, W. C. Tan, M. Tang, and J. Zhang, “All-Fiber Q-Switched Ring Laser with Increased Repetition Rate,” IEEE Photon. Technol. Lett. 20(10), 764–766 (2008).
    [CrossRef]
  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).
    [CrossRef]
  3. N. A. Russo, R. Duchowicz, J. Mora, J. L. Cruz, and M. V. Andrés, “High-efficiency Q-switched erbium fiber laser using a Bragg grating-based modulator,” Opt. Commun. 210(3-6), 361–366 (2002).
    [CrossRef]
  4. T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
    [CrossRef]
  5. M. Delgado-Pinar, D. Zalvidea, A. Diez, P. Perez-Millan, and M. Andres, “Q-switching of an all-fiber laser by acousto-optic modulation of a fiber Bragg grating,” Opt. Express 14(3), 1106–1112 (2006).
    [CrossRef] [PubMed]
  6. J. W. Arkwright and I. M. Skinner, “An investigation of Q-switched induced quenching of the resonant nonlinearity in neodymium doped fibers,” J. Lightwave Technol. 14(1), 110–120 (1996).
    [CrossRef]
  7. J. W. Arkwright, P. Elango, T. W. Whitbread, and G. R. Atkins, “Nonlinear phase changes at 1310 nm and 1545 nm observed far from resonance in diode pumped ytterbium doped fiber,” IEEE Photon. Technol. Lett. 8(3), 408–410 (1996).
    [CrossRef]
  8. M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Experimental evidence for strong UV transition contribution in the resonant nonlinearity of doped fibers,” J. Lightwave Technol. 15(2), 299–303 (1997).
    [CrossRef]
  9. J. W. Arkwright, P. Elango, G. R. Atkins, T. Whitbread, and J. F. Digonnet, “Experimental and theoretical analysis of the resonant nonlinearity in ytterbium-doped fiber,” J. Lightwave Technol. 16(5), 798–806 (1998).
    [CrossRef]
  10. M. Janos, J. Arkwright, and Z. Brodzeli, “Low power nonlinear response of Yb3+-doped optical fibre Bragg gratings,” Electron. Lett. 33(25), 2150–2151 (1997).
    [CrossRef]
  11. A. Martinez, I. Y. Khrushchev, and I. Bennion, “Thermal properties of fibre Bragg gratings inscribed point-by-point by infrared femtosecond laser,” Electron. Lett. 41(4), 176–178 (2005).
    [CrossRef]
  12. N. Jovanovic, M. Åslund, A. Fuerbach, S. D. Jackson, G. D. Marshall, and M. J. Withford, “Narrow linewidth, 100 W cw Yb3+-doped silica fiber laser with a point-by-point Bragg grating inscribed directly into the active core,” Opt. Lett. 32(19), 2804–2806 (2007).
    [CrossRef] [PubMed]
  13. N. Jovanovic, J. Thomas, R. J. Williams, M. J. Steel, G. D. Marshall, A. Fuerbach, S. Nolte, A. Tünnermann, and M. J. Withford, “Polarization-dependent effects in point-by-point fiber Bragg gratings enable simple, linearly polarized fiber lasers,” Opt. Express 17(8), 6082–6095 (2009).
    [CrossRef] [PubMed]
  14. M. L. Åslund, N. Nemanja, N. Groothoff, J. Canning, G. D. Marshall, S. D. Jackson, A. Fuerbach, and M. J. Withford, “Optical loss mechanisms in femtosecond laser-written point-by-point fibre Bragg gratings,” Opt. Express 16(18), 14248–14254 (2008).
    [CrossRef] [PubMed]
  15. T. Erdogan, “Fiber grating spectra,” J. Lightwave Technol. 15(8), 1277–1294 (1997).
    [CrossRef]
  16. A. Martinez, M. Dubov, I. Khrushchev, and I. Bennion, “Direct writing of fibre Bragg gratings by femtosecond laser,” Electron. Lett. 40(19), 1170–1172 (2004).
    [CrossRef]
  17. M. K. Davis, M. J. F. Digonnet, and R. H. Pantell, “Thermal effects in doped fibers,” J. Lightwave Technol. 16(6), 1013–1023 (1998).
    [CrossRef]
  18. N. Jovanovic, A. Fuerbach, G. D. Marshall, M. J. Withford, and S. D. Jackson, “Stable high-power continuous-wave Yb3+ -doped silica fiber laser utilizing a point-by-point inscribed fiber Bragg grating,” Opt. Lett. 32(11), 1486–1488 (2007).
    [CrossRef] [PubMed]
  19. P. Pérez-Millán, A. Díez, M. Andrés, D. Zalvidea, and R. Duchowicz, “Q-switched all-fiber laser based on magnetostriction modulation of a Bragg grating,” Opt. Express 13(13), 5046–5051 (2005).
    [CrossRef] [PubMed]
  20. M. Ams, G. D. Marshall, P. Dekker, J. A. Piper, and M. J. Withford, “Ultrafast laser written active devices,” Laser Photon. Rev. 3(6), 535–544 (2009).
    [CrossRef]

2009

2008

M. L. Åslund, N. Nemanja, N. Groothoff, J. Canning, G. D. Marshall, S. D. Jackson, A. Fuerbach, and M. J. Withford, “Optical loss mechanisms in femtosecond laser-written point-by-point fibre Bragg gratings,” Opt. Express 16(18), 14248–14254 (2008).
[CrossRef] [PubMed]

X. P. Cheng, P. Shum, C. H. Tse, R. F. Wu, W. C. Tan, M. Tang, and J. Zhang, “All-Fiber Q-Switched Ring Laser with Increased Repetition Rate,” IEEE Photon. Technol. Lett. 20(10), 764–766 (2008).
[CrossRef]

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).
[CrossRef]

2007

2006

M. Delgado-Pinar, D. Zalvidea, A. Diez, P. Perez-Millan, and M. Andres, “Q-switching of an all-fiber laser by acousto-optic modulation of a fiber Bragg grating,” Opt. Express 14(3), 1106–1112 (2006).
[CrossRef] [PubMed]

T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
[CrossRef]

2005

A. Martinez, I. Y. Khrushchev, and I. Bennion, “Thermal properties of fibre Bragg gratings inscribed point-by-point by infrared femtosecond laser,” Electron. Lett. 41(4), 176–178 (2005).
[CrossRef]

P. Pérez-Millán, A. Díez, M. Andrés, D. Zalvidea, and R. Duchowicz, “Q-switched all-fiber laser based on magnetostriction modulation of a Bragg grating,” Opt. Express 13(13), 5046–5051 (2005).
[CrossRef] [PubMed]

2004

A. Martinez, M. Dubov, I. Khrushchev, and I. Bennion, “Direct writing of fibre Bragg gratings by femtosecond laser,” Electron. Lett. 40(19), 1170–1172 (2004).
[CrossRef]

2002

N. A. Russo, R. Duchowicz, J. Mora, J. L. Cruz, and M. V. Andrés, “High-efficiency Q-switched erbium fiber laser using a Bragg grating-based modulator,” Opt. Commun. 210(3-6), 361–366 (2002).
[CrossRef]

1998

1997

T. Erdogan, “Fiber grating spectra,” J. Lightwave Technol. 15(8), 1277–1294 (1997).
[CrossRef]

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Experimental evidence for strong UV transition contribution in the resonant nonlinearity of doped fibers,” J. Lightwave Technol. 15(2), 299–303 (1997).
[CrossRef]

M. Janos, J. Arkwright, and Z. Brodzeli, “Low power nonlinear response of Yb3+-doped optical fibre Bragg gratings,” Electron. Lett. 33(25), 2150–2151 (1997).
[CrossRef]

1996

J. W. Arkwright and I. M. Skinner, “An investigation of Q-switched induced quenching of the resonant nonlinearity in neodymium doped fibers,” J. Lightwave Technol. 14(1), 110–120 (1996).
[CrossRef]

J. W. Arkwright, P. Elango, T. W. Whitbread, and G. R. Atkins, “Nonlinear phase changes at 1310 nm and 1545 nm observed far from resonance in diode pumped ytterbium doped fiber,” IEEE Photon. Technol. Lett. 8(3), 408–410 (1996).
[CrossRef]

Agger, S.

T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
[CrossRef]

Ams, M.

M. Ams, G. D. Marshall, P. Dekker, J. A. Piper, and M. J. Withford, “Ultrafast laser written active devices,” Laser Photon. Rev. 3(6), 535–544 (2009).
[CrossRef]

Andersen, T. V.

T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
[CrossRef]

Andres, M.

Andrés, M.

Andrés, M. V.

T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
[CrossRef]

N. A. Russo, R. Duchowicz, J. Mora, J. L. Cruz, and M. V. Andrés, “High-efficiency Q-switched erbium fiber laser using a Bragg grating-based modulator,” Opt. Commun. 210(3-6), 361–366 (2002).
[CrossRef]

Arkwright, J.

M. Janos, J. Arkwright, and Z. Brodzeli, “Low power nonlinear response of Yb3+-doped optical fibre Bragg gratings,” Electron. Lett. 33(25), 2150–2151 (1997).
[CrossRef]

Arkwright, J. W.

J. W. Arkwright, P. Elango, G. R. Atkins, T. Whitbread, and J. F. Digonnet, “Experimental and theoretical analysis of the resonant nonlinearity in ytterbium-doped fiber,” J. Lightwave Technol. 16(5), 798–806 (1998).
[CrossRef]

J. W. Arkwright and I. M. Skinner, “An investigation of Q-switched induced quenching of the resonant nonlinearity in neodymium doped fibers,” J. Lightwave Technol. 14(1), 110–120 (1996).
[CrossRef]

J. W. Arkwright, P. Elango, T. W. Whitbread, and G. R. Atkins, “Nonlinear phase changes at 1310 nm and 1545 nm observed far from resonance in diode pumped ytterbium doped fiber,” IEEE Photon. Technol. Lett. 8(3), 408–410 (1996).
[CrossRef]

Åslund, M.

Åslund, M. L.

Atkins, G. R.

J. W. Arkwright, P. Elango, G. R. Atkins, T. Whitbread, and J. F. Digonnet, “Experimental and theoretical analysis of the resonant nonlinearity in ytterbium-doped fiber,” J. Lightwave Technol. 16(5), 798–806 (1998).
[CrossRef]

J. W. Arkwright, P. Elango, T. W. Whitbread, and G. R. Atkins, “Nonlinear phase changes at 1310 nm and 1545 nm observed far from resonance in diode pumped ytterbium doped fiber,” IEEE Photon. Technol. Lett. 8(3), 408–410 (1996).
[CrossRef]

Bennetts, S.

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).
[CrossRef]

Bennion, I.

A. Martinez, I. Y. Khrushchev, and I. Bennion, “Thermal properties of fibre Bragg gratings inscribed point-by-point by infrared femtosecond laser,” Electron. Lett. 41(4), 176–178 (2005).
[CrossRef]

A. Martinez, M. Dubov, I. Khrushchev, and I. Bennion, “Direct writing of fibre Bragg gratings by femtosecond laser,” Electron. Lett. 40(19), 1170–1172 (2004).
[CrossRef]

Brodzeli, Z.

M. Janos, J. Arkwright, and Z. Brodzeli, “Low power nonlinear response of Yb3+-doped optical fibre Bragg gratings,” Electron. Lett. 33(25), 2150–2151 (1997).
[CrossRef]

Canning, J.

Cheng, X. P.

X. P. Cheng, P. Shum, C. H. Tse, R. F. Wu, W. C. Tan, M. Tang, and J. Zhang, “All-Fiber Q-Switched Ring Laser with Increased Repetition Rate,” IEEE Photon. Technol. Lett. 20(10), 764–766 (2008).
[CrossRef]

Cruz, J. L.

N. A. Russo, R. Duchowicz, J. Mora, J. L. Cruz, and M. V. Andrés, “High-efficiency Q-switched erbium fiber laser using a Bragg grating-based modulator,” Opt. Commun. 210(3-6), 361–366 (2002).
[CrossRef]

Davis, M. K.

Dekker, P.

M. Ams, G. D. Marshall, P. Dekker, J. A. Piper, and M. J. Withford, “Ultrafast laser written active devices,” Laser Photon. Rev. 3(6), 535–544 (2009).
[CrossRef]

Delgado-Pinar, M.

Diez, A.

Díez, A.

Digonnet, J. F.

Digonnet, M. J. F.

M. K. Davis, M. J. F. Digonnet, and R. H. Pantell, “Thermal effects in doped fibers,” J. Lightwave Technol. 16(6), 1013–1023 (1998).
[CrossRef]

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Experimental evidence for strong UV transition contribution in the resonant nonlinearity of doped fibers,” J. Lightwave Technol. 15(2), 299–303 (1997).
[CrossRef]

Dubov, M.

A. Martinez, M. Dubov, I. Khrushchev, and I. Bennion, “Direct writing of fibre Bragg gratings by femtosecond laser,” Electron. Lett. 40(19), 1170–1172 (2004).
[CrossRef]

Duchowicz, R.

T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
[CrossRef]

P. Pérez-Millán, A. Díez, M. Andrés, D. Zalvidea, and R. Duchowicz, “Q-switched all-fiber laser based on magnetostriction modulation of a Bragg grating,” Opt. Express 13(13), 5046–5051 (2005).
[CrossRef] [PubMed]

N. A. Russo, R. Duchowicz, J. Mora, J. L. Cruz, and M. V. Andrés, “High-efficiency Q-switched erbium fiber laser using a Bragg grating-based modulator,” Opt. Commun. 210(3-6), 361–366 (2002).
[CrossRef]

Elango, P.

J. W. Arkwright, P. Elango, G. R. Atkins, T. Whitbread, and J. F. Digonnet, “Experimental and theoretical analysis of the resonant nonlinearity in ytterbium-doped fiber,” J. Lightwave Technol. 16(5), 798–806 (1998).
[CrossRef]

J. W. Arkwright, P. Elango, T. W. Whitbread, and G. R. Atkins, “Nonlinear phase changes at 1310 nm and 1545 nm observed far from resonance in diode pumped ytterbium doped fiber,” IEEE Photon. Technol. Lett. 8(3), 408–410 (1996).
[CrossRef]

Erdogan, T.

T. Erdogan, “Fiber grating spectra,” J. Lightwave Technol. 15(8), 1277–1294 (1997).
[CrossRef]

Fuerbach, A.

Groothoff, N.

Jackson, S. D.

Janos, M.

M. Janos, J. Arkwright, and Z. Brodzeli, “Low power nonlinear response of Yb3+-doped optical fibre Bragg gratings,” Electron. Lett. 33(25), 2150–2151 (1997).
[CrossRef]

Jovanovic, N.

Keiding, S. R.

T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
[CrossRef]

Khrushchev, I.

A. Martinez, M. Dubov, I. Khrushchev, and I. Bennion, “Direct writing of fibre Bragg gratings by femtosecond laser,” Electron. Lett. 40(19), 1170–1172 (2004).
[CrossRef]

Khrushchev, I. Y.

A. Martinez, I. Y. Khrushchev, and I. Bennion, “Thermal properties of fibre Bragg gratings inscribed point-by-point by infrared femtosecond laser,” Electron. Lett. 41(4), 176–178 (2005).
[CrossRef]

Lancaster, D. G.

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).
[CrossRef]

Marshall, G. D.

M. Ams, G. D. Marshall, P. Dekker, J. A. Piper, and M. J. Withford, “Ultrafast laser written active devices,” Laser Photon. Rev. 3(6), 535–544 (2009).
[CrossRef]

N. Jovanovic, J. Thomas, R. J. Williams, M. J. Steel, G. D. Marshall, A. Fuerbach, S. Nolte, A. Tünnermann, and M. J. Withford, “Polarization-dependent effects in point-by-point fiber Bragg gratings enable simple, linearly polarized fiber lasers,” Opt. Express 17(8), 6082–6095 (2009).
[CrossRef] [PubMed]

M. L. Åslund, N. Nemanja, N. Groothoff, J. Canning, G. D. Marshall, S. D. Jackson, A. Fuerbach, and M. J. Withford, “Optical loss mechanisms in femtosecond laser-written point-by-point fibre Bragg gratings,” Opt. Express 16(18), 14248–14254 (2008).
[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).
[CrossRef]

N. Jovanovic, A. Fuerbach, G. D. Marshall, M. J. Withford, and S. D. Jackson, “Stable high-power continuous-wave Yb3+ -doped silica fiber laser utilizing a point-by-point inscribed fiber Bragg grating,” Opt. Lett. 32(11), 1486–1488 (2007).
[CrossRef] [PubMed]

N. Jovanovic, M. Åslund, A. Fuerbach, S. D. Jackson, G. D. Marshall, and M. J. Withford, “Narrow linewidth, 100 W cw Yb3+-doped silica fiber laser with a point-by-point Bragg grating inscribed directly into the active core,” Opt. Lett. 32(19), 2804–2806 (2007).
[CrossRef] [PubMed]

Martinez, A.

A. Martinez, I. Y. Khrushchev, and I. Bennion, “Thermal properties of fibre Bragg gratings inscribed point-by-point by infrared femtosecond laser,” Electron. Lett. 41(4), 176–178 (2005).
[CrossRef]

A. Martinez, M. Dubov, I. Khrushchev, and I. Bennion, “Direct writing of fibre Bragg gratings by femtosecond laser,” Electron. Lett. 40(19), 1170–1172 (2004).
[CrossRef]

Mora, J.

N. A. Russo, R. Duchowicz, J. Mora, J. L. Cruz, and M. V. Andrés, “High-efficiency Q-switched erbium fiber laser using a Bragg grating-based modulator,” Opt. Commun. 210(3-6), 361–366 (2002).
[CrossRef]

Nemanja, N.

Nolte, S.

Pantell, R. H.

M. K. Davis, M. J. F. Digonnet, and R. H. Pantell, “Thermal effects in doped fibers,” J. Lightwave Technol. 16(6), 1013–1023 (1998).
[CrossRef]

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Experimental evidence for strong UV transition contribution in the resonant nonlinearity of doped fibers,” J. Lightwave Technol. 15(2), 299–303 (1997).
[CrossRef]

Perez-Millan, P.

Pérez-Millán, P.

T. V. Andersen, P. Pérez-Millán, S. R. Keiding, S. Agger, R. Duchowicz, and M. V. Andrés, “All-fiber actively Q-switched Yb-doped laser,” Opt. Commun. 260(1), 251–256 (2006).
[CrossRef]

P. Pérez-Millán, A. Díez, M. Andrés, D. Zalvidea, and R. Duchowicz, “Q-switched all-fiber laser based on magnetostriction modulation of a Bragg grating,” Opt. Express 13(13), 5046–5051 (2005).
[CrossRef] [PubMed]

Piper, J. A.

M. Ams, G. D. Marshall, P. Dekker, J. A. Piper, and M. J. Withford, “Ultrafast laser written active devices,” Laser Photon. Rev. 3(6), 535–544 (2009).
[CrossRef]

Russo, N. A.

N. A. Russo, R. Duchowicz, J. Mora, J. L. Cruz, and M. V. Andrés, “High-efficiency Q-switched erbium fiber laser using a Bragg grating-based modulator,” Opt. Commun. 210(3-6), 361–366 (2002).
[CrossRef]

Sadowski, R. W.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Experimental evidence for strong UV transition contribution in the resonant nonlinearity of doped fibers,” J. Lightwave Technol. 15(2), 299–303 (1997).
[CrossRef]

Shaw, H. J.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Experimental evidence for strong UV transition contribution in the resonant nonlinearity of doped fibers,” J. Lightwave Technol. 15(2), 299–303 (1997).
[CrossRef]

Shum, P.

X. P. Cheng, P. Shum, C. H. Tse, R. F. Wu, W. C. Tan, M. Tang, and J. Zhang, “All-Fiber Q-Switched Ring Laser with Increased Repetition Rate,” IEEE Photon. Technol. Lett. 20(10), 764–766 (2008).
[CrossRef]

Skinner, I. M.

J. W. Arkwright and I. M. Skinner, “An investigation of Q-switched induced quenching of the resonant nonlinearity in neodymium doped fibers,” J. Lightwave Technol. 14(1), 110–120 (1996).
[CrossRef]

Steel, M. J.

Tan, W. C.

X. P. Cheng, P. Shum, C. H. Tse, R. F. Wu, W. C. Tan, M. Tang, and J. Zhang, “All-Fiber Q-Switched Ring Laser with Increased Repetition Rate,” IEEE Photon. Technol. Lett. 20(10), 764–766 (2008).
[CrossRef]

Tang, M.

X. P. Cheng, P. Shum, C. H. Tse, R. F. Wu, W. C. Tan, M. Tang, and J. Zhang, “All-Fiber Q-Switched Ring Laser with Increased Repetition Rate,” IEEE Photon. Technol. Lett. 20(10), 764–766 (2008).
[CrossRef]

Thomas, J.

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).
[CrossRef]

Tse, C. H.

X. P. Cheng, P. Shum, C. H. Tse, R. F. Wu, W. C. Tan, M. Tang, and J. Zhang, “All-Fiber Q-Switched Ring Laser with Increased Repetition Rate,” IEEE Photon. Technol. Lett. 20(10), 764–766 (2008).
[CrossRef]

Tünnermann, A.

Whitbread, T.

Whitbread, T. W.

J. W. Arkwright, P. Elango, T. W. Whitbread, and G. R. Atkins, “Nonlinear phase changes at 1310 nm and 1545 nm observed far from resonance in diode pumped ytterbium doped fiber,” IEEE Photon. Technol. Lett. 8(3), 408–410 (1996).
[CrossRef]

Williams, R. J.

Withford, M. J.

N. Jovanovic, J. Thomas, R. J. Williams, M. J. Steel, G. D. Marshall, A. Fuerbach, S. Nolte, A. Tünnermann, and M. J. Withford, “Polarization-dependent effects in point-by-point fiber Bragg gratings enable simple, linearly polarized fiber lasers,” Opt. Express 17(8), 6082–6095 (2009).
[CrossRef] [PubMed]

M. Ams, G. D. Marshall, P. Dekker, J. A. Piper, and M. J. Withford, “Ultrafast laser written active devices,” Laser Photon. Rev. 3(6), 535–544 (2009).
[CrossRef]

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).
[CrossRef]

M. L. Åslund, N. Nemanja, N. Groothoff, J. Canning, G. D. Marshall, S. D. Jackson, A. Fuerbach, and M. J. Withford, “Optical loss mechanisms in femtosecond laser-written point-by-point fibre Bragg gratings,” Opt. Express 16(18), 14248–14254 (2008).
[CrossRef] [PubMed]

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Figures (7)

Fig. 1
Fig. 1

Schematic of the setup for characterization of the optical tuning of the FBG.

Fig. 2
Fig. 2

Reflection spectra of the HR grating in the Yb-doped fiber, under resonant optical pumping at various powers, with the fiber immersed in air; and immersed in water.

Fig. 3
Fig. 3

Schematic diagram of the Q-switched erbium fiber laser cavity.

Fig. 4
Fig. 4

Output of the Q-switched fiber laser at 35 kHz, shown on two different time-scales.

Fig. 5
Fig. 5

Optical spectrum of the fiber laser during Q-switched operation at 35 kHz. The measurement of the optical bandwidth of the laser peak may be resolution limited.

Fig. 6
Fig. 6

Output of the fiber laser shown on a short time-scale, during Q-switched (left) and CW operation (right). For the graph on the left, the time-window shown corresponds to the peak of the Q-switched pulse-envelope.

Fig. 7
Fig. 7

Radio frequency spectrum of the output of the fiber laser operating Q-switched at 35 kHz (black) and CW (red). The 35 kHz peak and harmonics are observed during Q-switched operation (a). Peaks at the cavity round-trip frequency (17.4 MHz) and harmonics are observed during both Q-switched and CW operation (b). A high-resolution scan is also shown at 17.4 MHz (inset, b), showing the 35 kHz sidebands in the Q-switched case.

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