Abstract

Dynamics of split pulses in actively Q-switched fiber lasers are numerically investigated, and the mechanism that produces multipeak phenomena (MPP) is precisely illustrated. It is shown that the first transient pulse in a cavity is initiated by the quick switching of a Q-switching element, which actually injects part of the amplified spontaneous emission into the laser cavity in the form of a pulse. Then the multipeak structures are related to the evolution of the perturbation caused by the switching and are determined by the rise time of the switching and by conditions of photon density and population inversion.

© 2004 Optical Society of America

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  1. C. J. Gaeta, M. J. F. Digonnet, and H. J. Shaw, J. Lightwave Technol. LT–5, 1645 (1987).
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  10. Y. Wang, A. Martinez-Rios, and H. Po, Opt. Commun. 224, 113 (2003).
    [CrossRef]

2003 (1)

Y. Wang, A. Martinez-Rios, and H. Po, Opt. Commun. 224, 113 (2003).
[CrossRef]

2002 (1)

2001 (1)

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

1996 (2)

G. P. Lees and T. P. Newson, Electron. Lett. 32, 332 (1996).
[CrossRef]

P. Roy and D. Pagnoux, Opt. Fiber Technol. Mater. Devices Syst. 2, 235 (1996).
[CrossRef]

1995 (1)

M. Sejka, C. V. Poulsen, J. H. Povlsen, Y. Shi, and O. Poulsen, Opt. Fiber Technol. Mater. Devices Syst. 1, 167 (1995).
[CrossRef]

1993 (1)

1992 (2)

P. R. Morkel, K. P. Jedrejewski, E. R. Taylor, and D. N. Payne, IEEE Photon. Technol. Lett. 4, 545 (1992).
[CrossRef]

C. C. Cutler, IEEE J. Quantum Electron. 28, 282 (1992).
[CrossRef]

1987 (1)

C. J. Gaeta, M. J. F. Digonnet, and H. J. Shaw, J. Lightwave Technol. LT–5, 1645 (1987).
[CrossRef]

Adachi, S.

Alvarez-Chavez, J. A.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Chrostowski, J.

Clarkson, W. A.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Cutler, C. C.

C. C. Cutler, IEEE J. Quantum Electron. 28, 282 (1992).
[CrossRef]

Digonnet, M. J. F.

C. J. Gaeta, M. J. F. Digonnet, and H. J. Shaw, J. Lightwave Technol. LT–5, 1645 (1987).
[CrossRef]

Gaeta, C. J.

C. J. Gaeta, M. J. F. Digonnet, and H. J. Shaw, J. Lightwave Technol. LT–5, 1645 (1987).
[CrossRef]

Grudinin, A. B.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Jedrejewski, K. P.

P. R. Morkel, K. P. Jedrejewski, E. R. Taylor, and D. N. Payne, IEEE Photon. Technol. Lett. 4, 545 (1992).
[CrossRef]

Koningstein, J. A.

Koyamada, Y.

Lees, G. P.

G. P. Lees and T. P. Newson, Electron. Lett. 32, 332 (1996).
[CrossRef]

Martinez-Rios, A.

Y. Wang, A. Martinez-Rios, and H. Po, Opt. Commun. 224, 113 (2003).
[CrossRef]

Morkel, P. R.

P. R. Morkel, K. P. Jedrejewski, E. R. Taylor, and D. N. Payne, IEEE Photon. Technol. Lett. 4, 545 (1992).
[CrossRef]

Myslinsky, P.

Newson, T. P.

G. P. Lees and T. P. Newson, Electron. Lett. 32, 332 (1996).
[CrossRef]

Nilsson, J.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Offerhaus, H. L.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Pagnoux, D.

P. Roy and D. Pagnoux, Opt. Fiber Technol. Mater. Devices Syst. 2, 235 (1996).
[CrossRef]

Payne, D. N.

P. R. Morkel, K. P. Jedrejewski, E. R. Taylor, and D. N. Payne, IEEE Photon. Technol. Lett. 4, 545 (1992).
[CrossRef]

Po, H.

Y. Wang, A. Martinez-Rios, and H. Po, Opt. Commun. 224, 113 (2003).
[CrossRef]

Poulsen, C. V.

M. Sejka, C. V. Poulsen, J. H. Povlsen, Y. Shi, and O. Poulsen, Opt. Fiber Technol. Mater. Devices Syst. 1, 167 (1995).
[CrossRef]

Poulsen, O.

M. Sejka, C. V. Poulsen, J. H. Povlsen, Y. Shi, and O. Poulsen, Opt. Fiber Technol. Mater. Devices Syst. 1, 167 (1995).
[CrossRef]

Povlsen, J. H.

M. Sejka, C. V. Poulsen, J. H. Povlsen, Y. Shi, and O. Poulsen, Opt. Fiber Technol. Mater. Devices Syst. 1, 167 (1995).
[CrossRef]

Renaud, C. C.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Richardson, D. J.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Roy, P.

P. Roy and D. Pagnoux, Opt. Fiber Technol. Mater. Devices Syst. 2, 235 (1996).
[CrossRef]

Sejka, M.

M. Sejka, C. V. Poulsen, J. H. Povlsen, Y. Shi, and O. Poulsen, Opt. Fiber Technol. Mater. Devices Syst. 1, 167 (1995).
[CrossRef]

Shaw, H. J.

C. J. Gaeta, M. J. F. Digonnet, and H. J. Shaw, J. Lightwave Technol. LT–5, 1645 (1987).
[CrossRef]

Shi, Y.

M. Sejka, C. V. Poulsen, J. H. Povlsen, Y. Shi, and O. Poulsen, Opt. Fiber Technol. Mater. Devices Syst. 1, 167 (1995).
[CrossRef]

Simpson, J. R.

Taylor, E. R.

P. R. Morkel, K. P. Jedrejewski, E. R. Taylor, and D. N. Payne, IEEE Photon. Technol. Lett. 4, 545 (1992).
[CrossRef]

Turner, P. W.

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

Wang, Y.

Y. Wang, A. Martinez-Rios, and H. Po, Opt. Commun. 224, 113 (2003).
[CrossRef]

Appl. Opt. (1)

Electron. Lett. (1)

G. P. Lees and T. P. Newson, Electron. Lett. 32, 332 (1996).
[CrossRef]

IEEE J. Quantum Electron. (2)

C. C. Renaud, H. L. Offerhaus, J. A. Alvarez-Chavez, J. Nilsson, W. A. Clarkson, P. W. Turner, D. J. Richardson, and A. B. Grudinin, IEEE J. Quantum Electron. 37, 199 (2001).
[CrossRef]

C. C. Cutler, IEEE J. Quantum Electron. 28, 282 (1992).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

P. R. Morkel, K. P. Jedrejewski, E. R. Taylor, and D. N. Payne, IEEE Photon. Technol. Lett. 4, 545 (1992).
[CrossRef]

J. Lightwave Technol. (2)

S. Adachi and Y. Koyamada, J. Lightwave Technol. 20, 1506 (2002).
[CrossRef]

C. J. Gaeta, M. J. F. Digonnet, and H. J. Shaw, J. Lightwave Technol. LT–5, 1645 (1987).
[CrossRef]

Opt. Commun. (1)

Y. Wang, A. Martinez-Rios, and H. Po, Opt. Commun. 224, 113 (2003).
[CrossRef]

Opt. Fiber Technol. Mater. Devices Syst. (2)

P. Roy and D. Pagnoux, Opt. Fiber Technol. Mater. Devices Syst. 2, 235 (1996).
[CrossRef]

M. Sejka, C. V. Poulsen, J. H. Povlsen, Y. Shi, and O. Poulsen, Opt. Fiber Technol. Mater. Devices Syst. 1, 167 (1995).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

(a) Schematic of an actively Q-switched YDDC fiber laser, (b) AOM transmittances in the first- and zeroth-order directions.

Fig. 2
Fig. 2

Forward and backward output pulses and injected ASE at the fiber’s left end for AOM rise times of 0.25τr, 1.0τr, and 4.0τr in the first and tenth Q switches.

Fig. 3
Fig. 3

Initial evolution of forward and backward ASE distributions in the tenth Q switch for AOM rise times of 0.25τr and 4.0τr.

Fig. 4
Fig. 4

(a), (b) Evolution of output pulses and injected ASEs from the second to the fourth Q switches for an AOM rise time of 1.0τr and a pump power of 2 W. (c), (d) Output pulses and injected ASEs in the tenth Q switch for a rise time of 1.0τr and for pump powers of 1, 2, and 3 W.

Equations (4)

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

N=N1+N2,
N2t+N2τ=ΓpλphcAσaλpN1-σeλpN2Pp++Pp-+ΓsλshcAσaλsN1-σeλsN2Ps++Ps-,
±Pp±z+1vpPp±t=ΓpσeλpN2-σaλpN1×Pp+-αλpPp±,
±Ps±z+1vsPs±t=ΓsσeλsN2-σaλsN1Ps±-αλsPs±+2σeλsN2hc2λs3Δλs,

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