Abstract

We present the results of experimental and theoretical studies of high-order harmonic generation (HHG) in plasmas containing fullerenes using pulses of different duration and wavelength. We find that the harmonic cutoff is extended in the case of few-cycle pulses (3.5 fs, 29th harmonic) compared to longer laser pulses (40 fs, 25th harmonic) at the same intensity. Our studies also include HHG in fullerenes using 1300 and 780 nm multicycle (35 and 40 fs) pulses. For 1300 nm pulses, an extension of the harmonic cutoff to the 41st order was obtained, with a decrease in conversion efficiency that is consistent with theoretical predictions based on wave packet spreading for single atoms. Theoretical calculations of fullerene harmonic spectra using the single active electron approximation were carried out for both few-cycle and multicycle pulses.

© 2012 Optical Society of America

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  1. T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
    [CrossRef]
  2. C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
    [CrossRef]
  3. R. A. Ganeev, “Harmonic generation in laser-produced plasma containing atoms, ions and clusters: a review,” J. Mod. Opt. 59, 409–439 (2012).
    [CrossRef]
  4. P. B. Corkum, “Plasma perspective on strong-field multiphoton ionization,” Phys. Rev. Lett. 71, 1994–1997 (1993).
    [CrossRef]
  5. S. V. Popruzhenko, D. F. Zaretsky, and D. Bauer, “Energy absorption and emission of harmonics by clusters subject to intense short laser pulses,” Laser Phys. Lett. 5, 631–646 (2008).
    [CrossRef]
  6. R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
    [CrossRef]
  7. M. F. Ciappina, A. Becker, and A. Jaron-Becker, “Multislit interference patterns in high-order harmonic generation in C60,” Phys. Rev. A 76, 063406 (2007).
    [CrossRef]
  8. M. Ruggenthaler, S. V. Popruzhenko, and D. Bauer, “Recollision-induced plasmon excitation in strong laser fields,” Phys. Rev. A 78, 033413 (2008).
    [CrossRef]
  9. G. P. Zhang, “Optical high harmonic generation in C60,” Phys. Rev. Lett. 95, 047401 (2005).
    [CrossRef]
  10. P. V. Redkin and R. A. Ganeev, “Simulation of resonant high-order harmonic generation in three-dimensional fullerenelike system by means of multiconfigurational time-dependent Hartree-Fock approach,” Phys. Rev. A 81, 063825 (2010).
    [CrossRef]
  11. H.-D. Meyer, U. Manthe, and L. S. Cederbaum, “The multi-configurational time-dependent Hartree approach,” Chem. Phys. Lett. 165, 73–78 (1990).
    [CrossRef]
  12. V. R. Bhardwaj, P. B. Corkum, and D. M. Rayner, “Recollision during the high laser intensity ionization of C60,” Phys. Rev. Lett. 93, 043001 (2004).
    [CrossRef]
  13. Y. Pertot, L. B. Elouga Bom, V. R. Bhardwaj, and T. Ozaki, “Pencil lead plasma for generating multimicrojoule high-order harmonics with a broad spectrum,” Appl. Phys. Lett. 98, 101104 (2011).
    [CrossRef]
  14. C. Hutchison, R. A. Ganeev, T. Witting, F. Frank, W. A. Okell, J. W. G. Tisch, and J. P. Marangos, “Stable generation of high-order harmonics of femtosecond laser radiation from laser produced plasma plumes at 1 kHz pulse repetition rate,” Opt. Lett. 37, 2064–2066 (2012).
    [CrossRef]
  15. J. Roth, F. Gähler, and H.-R. Trebin, “A molecular dynamics run with 5 180 116 000 particles,” J. Mod. Phys. C 11, 317–322 (2000).
    [CrossRef]
  16. E. Fiordilino and V. Miceli, “Laser pulse shape effects in harmonic generation from a two-level atom,” J. Mod. Opt. 41, 1415–1426 (1994).
    [CrossRef]
  17. J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
    [CrossRef]
  18. M. Lein, “Mechanisms of ultrahigh-order harmonic generation,” Phys. Rev. A 72, 053816 (2005).
    [CrossRef]
  19. J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
    [CrossRef]
  20. K. Schiessl, K. L. Ishikawa, E. Persson, and J. Burgdörfer, “Quantum path interference in the wavelength dependence of high-harmonic generation,” Phys. Rev. Lett. 99, 253903(2007).
    [CrossRef]
  21. D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
    [CrossRef]
  22. D. Cricchio, E. Fiordilino, and F. Persico, “Electrons on a spherical surface: physical properties and hollow spherical clusters,” Phys. Rev. A 86, 013201 (2012).
    [CrossRef]
  23. N. Moiseyev and M. Lein, “Non-Hermitian quantum mechanics for high-order harmonic generation spectra,” J. Phys. Chem. A 107, 7181–7188 (2003).
    [CrossRef]
  24. Z.-Y. Zhou and J.-M. Yuan, “Strengthened hyper-Raman lines with the coherent superposition state,” Chin. Phys. Lett. 24, 683–686 (2007).
    [CrossRef]
  25. T. Millack and A. Maquet, “Hyper-Raman lines produced during high harmonic generation,” J. Mod. Opt. 40, 2161–2171 (1993).
    [CrossRef]
  26. F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet, “Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom,” Phys. Rev. A 52, 525–540 (1995).
    [CrossRef]
  27. W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
    [CrossRef]
  28. Z.-Y. Zhou and J.-M. Yuan, “Fine structures of the harmonic and hyper-Raman spectrum of the hydrogen atom in an intense high-frequency laser pulse,” Phys. Rev. A 77, 063411 (2008).
    [CrossRef]
  29. V. Kapoor and D. Bauer, “Floquet analysis of real-time wave functions without solving the Floquet equation,” Phys. Rev. A 85, 023407 (2012).
    [CrossRef]
  30. A. Di Piazza and E. Fiordilino, “Why hyper-Raman lines are absent in high-order harmonic generation,” Phys. Rev. A 64, 013802 (2001).
    [CrossRef]
  31. A. D. Bandrauk, S. Chelkowski, and H. S. Nguyen, “Nonlinear photon processes in molecules at high intensities-route to XUV—attosecond pulse generation,” J. Mol. Struct. 735–736, 203–209 (2005).
    [CrossRef]

2012 (4)

R. A. Ganeev, “Harmonic generation in laser-produced plasma containing atoms, ions and clusters: a review,” J. Mod. Opt. 59, 409–439 (2012).
[CrossRef]

C. Hutchison, R. A. Ganeev, T. Witting, F. Frank, W. A. Okell, J. W. G. Tisch, and J. P. Marangos, “Stable generation of high-order harmonics of femtosecond laser radiation from laser produced plasma plumes at 1 kHz pulse repetition rate,” Opt. Lett. 37, 2064–2066 (2012).
[CrossRef]

D. Cricchio, E. Fiordilino, and F. Persico, “Electrons on a spherical surface: physical properties and hollow spherical clusters,” Phys. Rev. A 86, 013201 (2012).
[CrossRef]

V. Kapoor and D. Bauer, “Floquet analysis of real-time wave functions without solving the Floquet equation,” Phys. Rev. A 85, 023407 (2012).
[CrossRef]

2011 (1)

Y. Pertot, L. B. Elouga Bom, V. R. Bhardwaj, and T. Ozaki, “Pencil lead plasma for generating multimicrojoule high-order harmonics with a broad spectrum,” Appl. Phys. Lett. 98, 101104 (2011).
[CrossRef]

2010 (2)

P. V. Redkin and R. A. Ganeev, “Simulation of resonant high-order harmonic generation in three-dimensional fullerenelike system by means of multiconfigurational time-dependent Hartree-Fock approach,” Phys. Rev. A 81, 063825 (2010).
[CrossRef]

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

2009 (2)

D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
[CrossRef]

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

2008 (3)

M. Ruggenthaler, S. V. Popruzhenko, and D. Bauer, “Recollision-induced plasmon excitation in strong laser fields,” Phys. Rev. A 78, 033413 (2008).
[CrossRef]

S. V. Popruzhenko, D. F. Zaretsky, and D. Bauer, “Energy absorption and emission of harmonics by clusters subject to intense short laser pulses,” Laser Phys. Lett. 5, 631–646 (2008).
[CrossRef]

Z.-Y. Zhou and J.-M. Yuan, “Fine structures of the harmonic and hyper-Raman spectrum of the hydrogen atom in an intense high-frequency laser pulse,” Phys. Rev. A 77, 063411 (2008).
[CrossRef]

2007 (4)

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

K. Schiessl, K. L. Ishikawa, E. Persson, and J. Burgdörfer, “Quantum path interference in the wavelength dependence of high-harmonic generation,” Phys. Rev. Lett. 99, 253903(2007).
[CrossRef]

Z.-Y. Zhou and J.-M. Yuan, “Strengthened hyper-Raman lines with the coherent superposition state,” Chin. Phys. Lett. 24, 683–686 (2007).
[CrossRef]

M. F. Ciappina, A. Becker, and A. Jaron-Becker, “Multislit interference patterns in high-order harmonic generation in C60,” Phys. Rev. A 76, 063406 (2007).
[CrossRef]

2005 (4)

G. P. Zhang, “Optical high harmonic generation in C60,” Phys. Rev. Lett. 95, 047401 (2005).
[CrossRef]

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

M. Lein, “Mechanisms of ultrahigh-order harmonic generation,” Phys. Rev. A 72, 053816 (2005).
[CrossRef]

A. D. Bandrauk, S. Chelkowski, and H. S. Nguyen, “Nonlinear photon processes in molecules at high intensities-route to XUV—attosecond pulse generation,” J. Mol. Struct. 735–736, 203–209 (2005).
[CrossRef]

2004 (1)

V. R. Bhardwaj, P. B. Corkum, and D. M. Rayner, “Recollision during the high laser intensity ionization of C60,” Phys. Rev. Lett. 93, 043001 (2004).
[CrossRef]

2003 (1)

N. Moiseyev and M. Lein, “Non-Hermitian quantum mechanics for high-order harmonic generation spectra,” J. Phys. Chem. A 107, 7181–7188 (2003).
[CrossRef]

2001 (1)

A. Di Piazza and E. Fiordilino, “Why hyper-Raman lines are absent in high-order harmonic generation,” Phys. Rev. A 64, 013802 (2001).
[CrossRef]

2000 (1)

J. Roth, F. Gähler, and H.-R. Trebin, “A molecular dynamics run with 5 180 116 000 particles,” J. Mod. Phys. C 11, 317–322 (2000).
[CrossRef]

1996 (2)

J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
[CrossRef]

T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
[CrossRef]

1995 (1)

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet, “Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom,” Phys. Rev. A 52, 525–540 (1995).
[CrossRef]

1994 (1)

E. Fiordilino and V. Miceli, “Laser pulse shape effects in harmonic generation from a two-level atom,” J. Mod. Opt. 41, 1415–1426 (1994).
[CrossRef]

1993 (2)

P. B. Corkum, “Plasma perspective on strong-field multiphoton ionization,” Phys. Rev. Lett. 71, 1994–1997 (1993).
[CrossRef]

T. Millack and A. Maquet, “Hyper-Raman lines produced during high harmonic generation,” J. Mod. Opt. 40, 2161–2171 (1993).
[CrossRef]

1990 (1)

H.-D. Meyer, U. Manthe, and L. S. Cederbaum, “The multi-configurational time-dependent Hartree approach,” Chem. Phys. Lett. 165, 73–78 (1990).
[CrossRef]

Abdul-Hadi, J.

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

Agostini, P.

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

Auguste, T.

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

Bandrauk, A. D.

A. D. Bandrauk, S. Chelkowski, and H. S. Nguyen, “Nonlinear photon processes in molecules at high intensities-route to XUV—attosecond pulse generation,” J. Mol. Struct. 735–736, 203–209 (2005).
[CrossRef]

Bassi, D.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Bauer, D.

V. Kapoor and D. Bauer, “Floquet analysis of real-time wave functions without solving the Floquet equation,” Phys. Rev. A 85, 023407 (2012).
[CrossRef]

S. V. Popruzhenko, D. F. Zaretsky, and D. Bauer, “Energy absorption and emission of harmonics by clusters subject to intense short laser pulses,” Laser Phys. Lett. 5, 631–646 (2008).
[CrossRef]

M. Ruggenthaler, S. V. Popruzhenko, and D. Bauer, “Recollision-induced plasmon excitation in strong laser fields,” Phys. Rev. A 78, 033413 (2008).
[CrossRef]

Becker, A.

M. F. Ciappina, A. Becker, and A. Jaron-Becker, “Multislit interference patterns in high-order harmonic generation in C60,” Phys. Rev. A 76, 063406 (2007).
[CrossRef]

Bhardwaj, V. R.

Y. Pertot, L. B. Elouga Bom, V. R. Bhardwaj, and T. Ozaki, “Pencil lead plasma for generating multimicrojoule high-order harmonics with a broad spectrum,” Appl. Phys. Lett. 98, 101104 (2011).
[CrossRef]

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

V. R. Bhardwaj, P. B. Corkum, and D. M. Rayner, “Recollision during the high laser intensity ionization of C60,” Phys. Rev. Lett. 93, 043001 (2004).
[CrossRef]

Brichta, J. P.

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

Burgdörfer, J.

K. Schiessl, K. L. Ishikawa, E. Persson, and J. Burgdörfer, “Quantum path interference in the wavelength dependence of high-harmonic generation,” Phys. Rev. Lett. 99, 253903(2007).
[CrossRef]

Caumes, J.-P.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Cederbaum, L. S.

H.-D. Meyer, U. Manthe, and L. S. Cederbaum, “The multi-configurational time-dependent Hartree approach,” Chem. Phys. Lett. 165, 73–78 (1990).
[CrossRef]

Chelkowski, S.

A. D. Bandrauk, S. Chelkowski, and H. S. Nguyen, “Nonlinear photon processes in molecules at high intensities-route to XUV—attosecond pulse generation,” J. Mol. Struct. 735–736, 203–209 (2005).
[CrossRef]

Christov, I. P.

J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
[CrossRef]

Chu, W.

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Ciappina, M. F.

M. F. Ciappina, A. Becker, and A. Jaron-Becker, “Multislit interference patterns in high-order harmonic generation in C60,” Phys. Rev. A 76, 063406 (2007).
[CrossRef]

Corkum, P. B.

V. R. Bhardwaj, P. B. Corkum, and D. M. Rayner, “Recollision during the high laser intensity ionization of C60,” Phys. Rev. Lett. 93, 043001 (2004).
[CrossRef]

P. B. Corkum, “Plasma perspective on strong-field multiphoton ionization,” Phys. Rev. Lett. 71, 1994–1997 (1993).
[CrossRef]

Corso, P. P.

D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
[CrossRef]

Cricchio, D.

D. Cricchio, E. Fiordilino, and F. Persico, “Electrons on a spherical surface: physical properties and hollow spherical clusters,” Phys. Rev. A 86, 013201 (2012).
[CrossRef]

D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
[CrossRef]

De Silvestri, S.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Di Piazza, A.

A. Di Piazza and E. Fiordilino, “Why hyper-Raman lines are absent in high-order harmonic generation,” Phys. Rev. A 64, 013802 (2001).
[CrossRef]

DiMauro, L. F.

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

Ditmire, T.

T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
[CrossRef]

Donnelly, T. D.

T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
[CrossRef]

Duan, S.

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Elouga Bom, L. B.

Y. Pertot, L. B. Elouga Bom, V. R. Bhardwaj, and T. Ozaki, “Pencil lead plasma for generating multimicrojoule high-order harmonics with a broad spectrum,” Appl. Phys. Lett. 98, 101104 (2011).
[CrossRef]

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

Falcone, R. W.

T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
[CrossRef]

Fiordilino, E.

D. Cricchio, E. Fiordilino, and F. Persico, “Electrons on a spherical surface: physical properties and hollow spherical clusters,” Phys. Rev. A 86, 013201 (2012).
[CrossRef]

D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
[CrossRef]

A. Di Piazza and E. Fiordilino, “Why hyper-Raman lines are absent in high-order harmonic generation,” Phys. Rev. A 64, 013802 (2001).
[CrossRef]

E. Fiordilino and V. Miceli, “Laser pulse shape effects in harmonic generation from a two-level atom,” J. Mod. Opt. 41, 1415–1426 (1994).
[CrossRef]

Frank, F.

Gähler, F.

J. Roth, F. Gähler, and H.-R. Trebin, “A molecular dynamics run with 5 180 116 000 particles,” J. Mod. Phys. C 11, 317–322 (2000).
[CrossRef]

Ganeev, R. A.

C. Hutchison, R. A. Ganeev, T. Witting, F. Frank, W. A. Okell, J. W. G. Tisch, and J. P. Marangos, “Stable generation of high-order harmonics of femtosecond laser radiation from laser produced plasma plumes at 1 kHz pulse repetition rate,” Opt. Lett. 37, 2064–2066 (2012).
[CrossRef]

R. A. Ganeev, “Harmonic generation in laser-produced plasma containing atoms, ions and clusters: a review,” J. Mod. Opt. 59, 409–439 (2012).
[CrossRef]

P. V. Redkin and R. A. Ganeev, “Simulation of resonant high-order harmonic generation in three-dimensional fullerenelike system by means of multiconfigurational time-dependent Hartree-Fock approach,” Phys. Rev. A 81, 063825 (2010).
[CrossRef]

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

Gauthey, F. I.

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet, “Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom,” Phys. Rev. A 52, 525–540 (1995).
[CrossRef]

Hutchison, C.

Ishikawa, K. L.

K. Schiessl, K. L. Ishikawa, E. Persson, and J. Burgdörfer, “Quantum path interference in the wavelength dependence of high-harmonic generation,” Phys. Rev. Lett. 99, 253903(2007).
[CrossRef]

Jaron-Becker, A.

M. F. Ciappina, A. Becker, and A. Jaron-Becker, “Multislit interference patterns in high-order harmonic generation in C60,” Phys. Rev. A 76, 063406 (2007).
[CrossRef]

Kapoor, V.

V. Kapoor and D. Bauer, “Floquet analysis of real-time wave functions without solving the Floquet equation,” Phys. Rev. A 85, 023407 (2012).
[CrossRef]

Kapteyn, H. C.

J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
[CrossRef]

Keitel, C. H.

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet, “Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom,” Phys. Rev. A 52, 525–540 (1995).
[CrossRef]

Knight, P. L.

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet, “Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom,” Phys. Rev. A 52, 525–540 (1995).
[CrossRef]

Lein, M.

M. Lein, “Mechanisms of ultrahigh-order harmonic generation,” Phys. Rev. A 72, 053816 (2005).
[CrossRef]

N. Moiseyev and M. Lein, “Non-Hermitian quantum mechanics for high-order harmonic generation spectra,” J. Phys. Chem. A 107, 7181–7188 (2003).
[CrossRef]

Manthe, U.

H.-D. Meyer, U. Manthe, and L. S. Cederbaum, “The multi-configurational time-dependent Hartree approach,” Chem. Phys. Lett. 165, 73–78 (1990).
[CrossRef]

Maquet, A.

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet, “Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom,” Phys. Rev. A 52, 525–540 (1995).
[CrossRef]

T. Millack and A. Maquet, “Hyper-Raman lines produced during high harmonic generation,” J. Mod. Opt. 40, 2161–2171 (1993).
[CrossRef]

Marangos, J. P.

Meyer, H.-D.

H.-D. Meyer, U. Manthe, and L. S. Cederbaum, “The multi-configurational time-dependent Hartree approach,” Chem. Phys. Lett. 165, 73–78 (1990).
[CrossRef]

Miceli, V.

E. Fiordilino and V. Miceli, “Laser pulse shape effects in harmonic generation from a two-level atom,” J. Mod. Opt. 41, 1415–1426 (1994).
[CrossRef]

Millack, T.

T. Millack and A. Maquet, “Hyper-Raman lines produced during high harmonic generation,” J. Mod. Opt. 40, 2161–2171 (1993).
[CrossRef]

Moiseyev, N.

N. Moiseyev and M. Lein, “Non-Hermitian quantum mechanics for high-order harmonic generation spectra,” J. Phys. Chem. A 107, 7181–7188 (2003).
[CrossRef]

Muller, H. G.

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

Murnane, M. M.

J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
[CrossRef]

Neuman, K.

T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
[CrossRef]

Nguyen, H. S.

A. D. Bandrauk, S. Chelkowski, and H. S. Nguyen, “Nonlinear photon processes in molecules at high intensities-route to XUV—attosecond pulse generation,” J. Mol. Struct. 735–736, 203–209 (2005).
[CrossRef]

Nisoli, M.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Okell, W. A.

Orlando, G.

D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
[CrossRef]

Ozaki, T.

Y. Pertot, L. B. Elouga Bom, V. R. Bhardwaj, and T. Ozaki, “Pencil lead plasma for generating multimicrojoule high-order harmonics with a broad spectrum,” Appl. Phys. Lett. 98, 101104 (2011).
[CrossRef]

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

Pascolini, M.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Peatross, J.

J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
[CrossRef]

Perry, M. D.

T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
[CrossRef]

Persico, F.

D. Cricchio, E. Fiordilino, and F. Persico, “Electrons on a spherical surface: physical properties and hollow spherical clusters,” Phys. Rev. A 86, 013201 (2012).
[CrossRef]

D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
[CrossRef]

Persson, E.

K. Schiessl, K. L. Ishikawa, E. Persson, and J. Burgdörfer, “Quantum path interference in the wavelength dependence of high-harmonic generation,” Phys. Rev. Lett. 99, 253903(2007).
[CrossRef]

Pertot, Y.

Y. Pertot, L. B. Elouga Bom, V. R. Bhardwaj, and T. Ozaki, “Pencil lead plasma for generating multimicrojoule high-order harmonics with a broad spectrum,” Appl. Phys. Lett. 98, 101104 (2011).
[CrossRef]

Poletto, L.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Popruzhenko, S. V.

M. Ruggenthaler, S. V. Popruzhenko, and D. Bauer, “Recollision-induced plasmon excitation in strong laser fields,” Phys. Rev. A 78, 033413 (2008).
[CrossRef]

S. V. Popruzhenko, D. F. Zaretsky, and D. Bauer, “Energy absorption and emission of harmonics by clusters subject to intense short laser pulses,” Laser Phys. Lett. 5, 631–646 (2008).
[CrossRef]

Rayner, D. M.

V. R. Bhardwaj, P. B. Corkum, and D. M. Rayner, “Recollision during the high laser intensity ionization of C60,” Phys. Rev. Lett. 93, 043001 (2004).
[CrossRef]

Redkin, P. V.

P. V. Redkin and R. A. Ganeev, “Simulation of resonant high-order harmonic generation in three-dimensional fullerenelike system by means of multiconfigurational time-dependent Hartree-Fock approach,” Phys. Rev. A 81, 063825 (2010).
[CrossRef]

Roth, J.

J. Roth, F. Gähler, and H.-R. Trebin, “A molecular dynamics run with 5 180 116 000 particles,” J. Mod. Phys. C 11, 317–322 (2000).
[CrossRef]

Ruggenthaler, M.

M. Ruggenthaler, S. V. Popruzhenko, and D. Bauer, “Recollision-induced plasmon excitation in strong laser fields,” Phys. Rev. A 78, 033413 (2008).
[CrossRef]

Saliéres, P.

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

Sansone, G.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Schiessl, K.

K. Schiessl, K. L. Ishikawa, E. Persson, and J. Burgdörfer, “Quantum path interference in the wavelength dependence of high-harmonic generation,” Phys. Rev. Lett. 99, 253903(2007).
[CrossRef]

Stagira, S.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Tate, J.

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

Tisch, J. W. G.

Tondello, G.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Trebin, H.-R.

J. Roth, F. Gähler, and H.-R. Trebin, “A molecular dynamics run with 5 180 116 000 particles,” J. Mod. Phys. C 11, 317–322 (2000).
[CrossRef]

Vecchiocattivi, M.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Villoresi, P.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Vozzi, C.

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Witting, T.

Wong, M. C. H.

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

Xie, Y.

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Yang, N.

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Yuan, J.-M.

Z.-Y. Zhou and J.-M. Yuan, “Fine structures of the harmonic and hyper-Raman spectrum of the hydrogen atom in an intense high-frequency laser pulse,” Phys. Rev. A 77, 063411 (2008).
[CrossRef]

Z.-Y. Zhou and J.-M. Yuan, “Strengthened hyper-Raman lines with the coherent superposition state,” Chin. Phys. Lett. 24, 683–686 (2007).
[CrossRef]

Zaretsky, D. F.

S. V. Popruzhenko, D. F. Zaretsky, and D. Bauer, “Energy absorption and emission of harmonics by clusters subject to intense short laser pulses,” Laser Phys. Lett. 5, 631–646 (2008).
[CrossRef]

Zhang, G. P.

G. P. Zhang, “Optical high harmonic generation in C60,” Phys. Rev. Lett. 95, 047401 (2005).
[CrossRef]

Zhang, W.

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Zhao, X.-G.

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Zhou, J.

J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
[CrossRef]

Zhou, Z.-Y.

Z.-Y. Zhou and J.-M. Yuan, “Fine structures of the harmonic and hyper-Raman spectrum of the hydrogen atom in an intense high-frequency laser pulse,” Phys. Rev. A 77, 063411 (2008).
[CrossRef]

Z.-Y. Zhou and J.-M. Yuan, “Strengthened hyper-Raman lines with the coherent superposition state,” Chin. Phys. Lett. 24, 683–686 (2007).
[CrossRef]

Zhu, J.-L.

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Appl. Phys. Lett. (2)

C. Vozzi, M. Nisoli, J.-P. Caumes, G. Sansone, S. Stagira, S. De Silvestri, M. Vecchiocattivi, D. Bassi, M. Pascolini, L. Poletto, P. Villoresi, and G. Tondello, “Cluster effects in high-order harmonics generated by ultrashort light pulses,” Appl. Phys. Lett. 86, 111121 (2005).
[CrossRef]

Y. Pertot, L. B. Elouga Bom, V. R. Bhardwaj, and T. Ozaki, “Pencil lead plasma for generating multimicrojoule high-order harmonics with a broad spectrum,” Appl. Phys. Lett. 98, 101104 (2011).
[CrossRef]

Chem. Phys. Lett. (1)

H.-D. Meyer, U. Manthe, and L. S. Cederbaum, “The multi-configurational time-dependent Hartree approach,” Chem. Phys. Lett. 165, 73–78 (1990).
[CrossRef]

Chin. Phys. Lett. (1)

Z.-Y. Zhou and J.-M. Yuan, “Strengthened hyper-Raman lines with the coherent superposition state,” Chin. Phys. Lett. 24, 683–686 (2007).
[CrossRef]

J. Mod. Opt. (3)

T. Millack and A. Maquet, “Hyper-Raman lines produced during high harmonic generation,” J. Mod. Opt. 40, 2161–2171 (1993).
[CrossRef]

E. Fiordilino and V. Miceli, “Laser pulse shape effects in harmonic generation from a two-level atom,” J. Mod. Opt. 41, 1415–1426 (1994).
[CrossRef]

R. A. Ganeev, “Harmonic generation in laser-produced plasma containing atoms, ions and clusters: a review,” J. Mod. Opt. 59, 409–439 (2012).
[CrossRef]

J. Mod. Phys. C (1)

J. Roth, F. Gähler, and H.-R. Trebin, “A molecular dynamics run with 5 180 116 000 particles,” J. Mod. Phys. C 11, 317–322 (2000).
[CrossRef]

J. Mol. Struct. (1)

A. D. Bandrauk, S. Chelkowski, and H. S. Nguyen, “Nonlinear photon processes in molecules at high intensities-route to XUV—attosecond pulse generation,” J. Mol. Struct. 735–736, 203–209 (2005).
[CrossRef]

J. Phys. B (1)

D. Cricchio, P. P. Corso, E. Fiordilino, G. Orlando, and F. Persico, “A paradigm of fullerene,” J. Phys. B 42, 085404 (2009).
[CrossRef]

J. Phys. Chem. A (1)

N. Moiseyev and M. Lein, “Non-Hermitian quantum mechanics for high-order harmonic generation spectra,” J. Phys. Chem. A 107, 7181–7188 (2003).
[CrossRef]

Laser Phys. Lett. (1)

S. V. Popruzhenko, D. F. Zaretsky, and D. Bauer, “Energy absorption and emission of harmonics by clusters subject to intense short laser pulses,” Laser Phys. Lett. 5, 631–646 (2008).
[CrossRef]

Opt. Lett. (1)

Phys. Rev. A (9)

M. Lein, “Mechanisms of ultrahigh-order harmonic generation,” Phys. Rev. A 72, 053816 (2005).
[CrossRef]

M. F. Ciappina, A. Becker, and A. Jaron-Becker, “Multislit interference patterns in high-order harmonic generation in C60,” Phys. Rev. A 76, 063406 (2007).
[CrossRef]

M. Ruggenthaler, S. V. Popruzhenko, and D. Bauer, “Recollision-induced plasmon excitation in strong laser fields,” Phys. Rev. A 78, 033413 (2008).
[CrossRef]

P. V. Redkin and R. A. Ganeev, “Simulation of resonant high-order harmonic generation in three-dimensional fullerenelike system by means of multiconfigurational time-dependent Hartree-Fock approach,” Phys. Rev. A 81, 063825 (2010).
[CrossRef]

D. Cricchio, E. Fiordilino, and F. Persico, “Electrons on a spherical surface: physical properties and hollow spherical clusters,” Phys. Rev. A 86, 013201 (2012).
[CrossRef]

F. I. Gauthey, C. H. Keitel, P. L. Knight, and A. Maquet, “Role of initial coherence in the generation of harmonics and sidebands from a strongly driven two-level atom,” Phys. Rev. A 52, 525–540 (1995).
[CrossRef]

Z.-Y. Zhou and J.-M. Yuan, “Fine structures of the harmonic and hyper-Raman spectrum of the hydrogen atom in an intense high-frequency laser pulse,” Phys. Rev. A 77, 063411 (2008).
[CrossRef]

V. Kapoor and D. Bauer, “Floquet analysis of real-time wave functions without solving the Floquet equation,” Phys. Rev. A 85, 023407 (2012).
[CrossRef]

A. Di Piazza and E. Fiordilino, “Why hyper-Raman lines are absent in high-order harmonic generation,” Phys. Rev. A 64, 013802 (2001).
[CrossRef]

Phys. Rev. B (1)

W. Chu, Y. Xie, S. Duan, N. Yang, W. Zhang, J.-L. Zhu, and X.-G. Zhao, “Model of generating either odd or even optical harmonics by varying the coupling parameters between source quantum dots,” Phys. Rev. B 82, 125301 (2010).
[CrossRef]

Phys. Rev. Lett. (8)

T. D. Donnelly, T. Ditmire, K. Neuman, M. D. Perry, and R. W. Falcone, “High-order harmonic generation in atom clusters,” Phys. Rev. Lett. 76, 2472–2475 (1996).
[CrossRef]

G. P. Zhang, “Optical high harmonic generation in C60,” Phys. Rev. Lett. 95, 047401 (2005).
[CrossRef]

R. A. Ganeev, L. B. Elouga Bom, J. Abdul-Hadi, M. C. H. Wong, J. P. Brichta, V. R. Bhardwaj, and T. Ozaki, “Higher-order harmonic generation from fullerene by means of the plasma harmonic method,” Phys. Rev. Lett. 102, 013903 (2009).
[CrossRef]

P. B. Corkum, “Plasma perspective on strong-field multiphoton ionization,” Phys. Rev. Lett. 71, 1994–1997 (1993).
[CrossRef]

J. Tate, T. Auguste, H. G. Muller, P. Saliéres, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98, 013901 (2007).
[CrossRef]

K. Schiessl, K. L. Ishikawa, E. Persson, and J. Burgdörfer, “Quantum path interference in the wavelength dependence of high-harmonic generation,” Phys. Rev. Lett. 99, 253903(2007).
[CrossRef]

J. Zhou, J. Peatross, M. M. Murnane, H. C. Kapteyn, and I. P. Christov, “Enhanced high-harmonic generation using 25 fs laser pulses,” Phys. Rev. Lett. 76, 752–755 (1996).
[CrossRef]

V. R. Bhardwaj, P. B. Corkum, and D. M. Rayner, “Recollision during the high laser intensity ionization of C60,” Phys. Rev. Lett. 93, 043001 (2004).
[CrossRef]

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Figures (4)

Fig. 1.
Fig. 1.

Experimental setup for harmonic generation in plasma. FP, femtosecond probe pulse; HP, picosecond heating pulse; A, aperture; HHGC, high-order harmonic generation chamber; FM, focussing mirror; L, focussing lens; T, target; P, plasma; XUVS, extreme ultraviolet spectrometer; FFG, flat field grating; MCP, microchannel plate and phosphor screen detector; CCD, CCD camera.

Fig. 2.
Fig. 2.

(a) Harmonic spectra from fullerene (thick curve) and graphite (thin curve) plasmas using the heating 8 ps pulses and 3.5 fs probe pulses at identical experimental conditions. (b) Comparison of HHG conversion efficiencies from fullerene plasma using the 3.5 fs (triangles) and 40 fs (circles) probe pulses. Here the laser wavelength is λ=780nm.

Fig. 3.
Fig. 3.

Comparative harmonic spectra from fullerene-contained plume using the 780 nm (upper panel) and 1300 nm (bottom panel) multicycle pulses (intensity of heated 160 ps pulses Ips=1×1010Wcm2). The intensity axes are on the same scale allowing a direct comparison between the three cases. The middle panel shows C60 plasma emission spectrum at overexcitation of target by 20 ps pulses (Ips=4×1010Wcm2), without further excitation by femtosecond probe pulses.

Fig. 4.
Fig. 4.

Calculated data of the harmonic spectra from fullerene plasma in the case of (a), (b) 780 nm and (c) 1300 nm probe radiation. The pulse durations are (a) 2 optical cycles (5.2 fs), (b) 12 optical cycles (31 fs), and (c) 8 optical cycles (34 fs).

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