Abstract

The observation of emission spectrum broadening of Nd:YVO4 by femtosecond laser pulse processing is reported. This result opens the possible way of sub-ps pulse generation from Nd ion doped crystals with better physical qualities than that of glass based laser gain materials.

© 2007 Optical Society of America

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References

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  1. L. Yan, "Pulse coherence of actively mode-locked inhomogeneously broadened lasers," Opt. Commun. 162, 75-78 (1999).
    [CrossRef]
  2. V. E. Kisel, A. E. Troshin, V. G. Shcherbitsky, N. V. Kuleshov, V. N. Matrosov, T. A. Matrosova, M. I. Kupchenko, F. Brunner, R. Paschotta, F. Morier-Genoud, and U. Keller, "Femtosecond pulse generation with a diode-pumped Yb3+:YVO4 laser," Opt. Lett. 30, 1150-1152 (2005).
    [CrossRef] [PubMed]
  3. K. Miura, J. Qiu, H. Inouye, and T. Mitsuyu, "Photowritten optical waveguides in various glasses with ultrashort pulse laser," Appl. Phys. Lett. 71, 3329-3331 (1997).
    [CrossRef]
  4. J. W. Chan, T. Huser, S. Risbud, D. M. Krol, "Structural changes in fused silica after exposure to focused femtosecond laser pulses," Opt. Lett. 26, 1726-1728 (2001).
    [CrossRef]
  5. Y. Sikorski, A. A. Said, P. Bado, R. Maynard, C. Florea, and K. A. Winick, "Optical waveguide amplifier in Nd-doped glass written with near-IR femtosecond laser pulses," Electron. Lett. 36, 226-227 (2000).
    [CrossRef]
  6. S. Taccheo, G. Della Valle, R. Osellame, G. Cerullo, N. Chiodo, P. Laporta, O. Svelto, A. Killi, U. Morgner, M. Lederer and D. Kopf, "Er:Yb-doped waveguide laser fabricated by femtosecond laser pulses," Opt. Lett. 29, 2626-2628 (2004).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  8. V. Apostolopoulos, L. Laversenne, T. Colomb, C. Depeursinge, R. P. Salathé, M. Pollnau, R. Osellame, G. Cerullo, and P. Laporta, "Femtosecond-irradiation-induced refractive-index changes and channel waveguiding in bulk Ti3+:Sapphire," Appl. Phys. Lett. 85, 1122-1124 (2004).
    [CrossRef]
  9. T. Gorelik, M. Will, S. Nolte, A. Tuennermann, U. Glatzel, "Transmission electron microscopy studies of femtosecond laser induced modifications in quartz," Appl. Phys. A 76, 309-31 (2003).
    [CrossRef]
  10. H. Kwak, K. C. Chou, J. Guo, and H. W. K. Tom, "Femtosecond laser-induced disorder of the (1×1)-relaxed GaAs(110) surface," Phys. Rev. Lett. 83, 3745-3748 (1999).
    [CrossRef]

2005 (2)

2004 (2)

V. Apostolopoulos, L. Laversenne, T. Colomb, C. Depeursinge, R. P. Salathé, M. Pollnau, R. Osellame, G. Cerullo, and P. Laporta, "Femtosecond-irradiation-induced refractive-index changes and channel waveguiding in bulk Ti3+:Sapphire," Appl. Phys. Lett. 85, 1122-1124 (2004).
[CrossRef]

S. Taccheo, G. Della Valle, R. Osellame, G. Cerullo, N. Chiodo, P. Laporta, O. Svelto, A. Killi, U. Morgner, M. Lederer and D. Kopf, "Er:Yb-doped waveguide laser fabricated by femtosecond laser pulses," Opt. Lett. 29, 2626-2628 (2004).
[CrossRef] [PubMed]

2003 (1)

T. Gorelik, M. Will, S. Nolte, A. Tuennermann, U. Glatzel, "Transmission electron microscopy studies of femtosecond laser induced modifications in quartz," Appl. Phys. A 76, 309-31 (2003).
[CrossRef]

2001 (1)

2000 (1)

Y. Sikorski, A. A. Said, P. Bado, R. Maynard, C. Florea, and K. A. Winick, "Optical waveguide amplifier in Nd-doped glass written with near-IR femtosecond laser pulses," Electron. Lett. 36, 226-227 (2000).
[CrossRef]

1999 (2)

H. Kwak, K. C. Chou, J. Guo, and H. W. K. Tom, "Femtosecond laser-induced disorder of the (1×1)-relaxed GaAs(110) surface," Phys. Rev. Lett. 83, 3745-3748 (1999).
[CrossRef]

L. Yan, "Pulse coherence of actively mode-locked inhomogeneously broadened lasers," Opt. Commun. 162, 75-78 (1999).
[CrossRef]

1997 (1)

K. Miura, J. Qiu, H. Inouye, and T. Mitsuyu, "Photowritten optical waveguides in various glasses with ultrashort pulse laser," Appl. Phys. Lett. 71, 3329-3331 (1997).
[CrossRef]

Appl. Phys. A (1)

T. Gorelik, M. Will, S. Nolte, A. Tuennermann, U. Glatzel, "Transmission electron microscopy studies of femtosecond laser induced modifications in quartz," Appl. Phys. A 76, 309-31 (2003).
[CrossRef]

Appl. Phys. Lett. (2)

K. Miura, J. Qiu, H. Inouye, and T. Mitsuyu, "Photowritten optical waveguides in various glasses with ultrashort pulse laser," Appl. Phys. Lett. 71, 3329-3331 (1997).
[CrossRef]

V. Apostolopoulos, L. Laversenne, T. Colomb, C. Depeursinge, R. P. Salathé, M. Pollnau, R. Osellame, G. Cerullo, and P. Laporta, "Femtosecond-irradiation-induced refractive-index changes and channel waveguiding in bulk Ti3+:Sapphire," Appl. Phys. Lett. 85, 1122-1124 (2004).
[CrossRef]

Electron. Lett. (1)

Y. Sikorski, A. A. Said, P. Bado, R. Maynard, C. Florea, and K. A. Winick, "Optical waveguide amplifier in Nd-doped glass written with near-IR femtosecond laser pulses," Electron. Lett. 36, 226-227 (2000).
[CrossRef]

Opt. Commun. (1)

L. Yan, "Pulse coherence of actively mode-locked inhomogeneously broadened lasers," Opt. Commun. 162, 75-78 (1999).
[CrossRef]

Opt. Lett. (4)

Phys. Rev. Lett. (1)

H. Kwak, K. C. Chou, J. Guo, and H. W. K. Tom, "Femtosecond laser-induced disorder of the (1×1)-relaxed GaAs(110) surface," Phys. Rev. Lett. 83, 3745-3748 (1999).
[CrossRef]

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Figures (3)

Fig. 1.
Fig. 1.

The schematic of the crystal processing. The procedure is very much like the waveguide writing.

Fig. 2.
Fig. 2.

Surface of the Nd:YVO4 crystal. The properly processed area is on the right side of the (damaged) spot arrays; the spot at the top right corner is a punched marker for identifying the processed area.

Fig. 3.
Fig. 3.

Spectrum comparison before and after the femtosecond pulse processing. The spectrum is broadened after the laser pulse processing.

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