T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

T. Pfeifer, L. Gallmann, M. Abel, D. Neumark, and S. Leone, “Single attosecond pulse generation in the multicycle-driver regime by adding a weak second-harmonic field,” Opt. Lett.31, 975–977 (2006).

[CrossRef]
[PubMed]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

C. Altucci, V. Tosa, and R. Velotta, “Beyond the single-atom response in isolated attosecond-pulse generation,” Phys. Rev. A75, 061401(R) (2007).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

C. Altucci, T. Starczewski, E. Mevel, C. Wahlström, B. Carré, and A. L’Huillier, “ Influence of atomic density in high-order harmonic generation,” J. Opt. Soc. Am. B13, 148–156 (1996).

[CrossRef]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in a strong electromagnetic field,” Phys. Rev. A51, R1750–R1753 (1995).

[CrossRef]
[PubMed]

Ph. Antoine, A. L’Huillier, and M. Lewenstein, “Attosecond pulse trains using high-order harmonics,” Phys. Rev. Lett.77, 1234–1237 (1996).

[CrossRef]
[PubMed]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

Ph. Balcou and A. L’Huillier, “ Phase-matching effects in strong-field harmonic generation,” Phys. Rev. A47, 1447–1459 (1993).

[CrossRef]
[PubMed]

A. L’Huillier, Ph. Balcou, S. Candel, K. Schafer, and K. Kulander, “Calculations of high-order harmonic-generation processes in xenon at 1064 nm,” Phys. Rev. A46, 2778–2790 (1992).

[CrossRef]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

P. Tzallas, E. Skantzakis, C. Kalpouzos, E. Benis, G. Tsakiris, and D. Charalambidis, “Generation of intense continuum extreme-ultraviolet radiation by many-cycle laser fields,” Nat. Phys.3, 846–850 (2007).

[CrossRef]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

J. Watson, A. Sanpera, X. Chen, and K. Burnett, “Harmonic generation from a coherent superposition of states,” Phys. Rev. A53, R1962–R1965 (1996).

[CrossRef]
[PubMed]

F. Ferrari, F. Calegari, M. Lucchini, C. Vozzi, S. Stagira, G. Sansone, and M. Nisoli, “High-energy isolated attosecond pulses generated by above-saturation few-cycle fields,” Nat. Photonics4, 875–879 (2010).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

A. L’Huillier, Ph. Balcou, S. Candel, K. Schafer, and K. Kulander, “Calculations of high-order harmonic-generation processes in xenon at 1064 nm,” Phys. Rev. A46, 2778–2790 (1992).

[CrossRef]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

C. Altucci, T. Starczewski, E. Mevel, C. Wahlström, B. Carré, and A. L’Huillier, “ Influence of atomic density in high-order harmonic generation,” J. Opt. Soc. Am. B13, 148–156 (1996).

[CrossRef]

J. Carrera and S. Chu, “Extension of high-order harmonic generation cutoff via coherent control of intense few-cycle chirped laser pulses,” Phys. Rev. A75, 033807 (2007).

[CrossRef]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

S. Gilbertson, S. Khan, Y. Wu, M. Chini, and Z. Chang, “Isolated attosecond pulse generation without the need to stabilize the carrier-envelope phase of driving lasers,” Phys. Rev. Lett.105, 093902 (2010).

[CrossRef]
[PubMed]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

Z. Chang, “Single attosecond pulse and xuv supercontinuum in the high-order harmonic plateau,” Phys. Rev. A70, 043802 (2004).

[CrossRef]

P. Tzallas, E. Skantzakis, C. Kalpouzos, E. Benis, G. Tsakiris, and D. Charalambidis, “Generation of intense continuum extreme-ultraviolet radiation by many-cycle laser fields,” Nat. Phys.3, 846–850 (2007).

[CrossRef]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

J. Watson, A. Sanpera, X. Chen, and K. Burnett, “Harmonic generation from a coherent superposition of states,” Phys. Rev. A53, R1962–R1965 (1996).

[CrossRef]
[PubMed]

Z. Zeng, Y. Cheng, X. Song, R. Li, and Z. Xu, “Generation of an extreme ultraviolet supercontinuum in a two-color laser field,” Phys. Rev. Lett.98, 203901 (2007).

[CrossRef]
[PubMed]

S. Gilbertson, S. Khan, Y. Wu, M. Chini, and Z. Chang, “Isolated attosecond pulse generation without the need to stabilize the carrier-envelope phase of driving lasers,” Phys. Rev. Lett.105, 093902 (2010).

[CrossRef]
[PubMed]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

J. Carrera and S. Chu, “Extension of high-order harmonic generation cutoff via coherent control of intense few-cycle chirped laser pulses,” Phys. Rev. A75, 033807 (2007).

[CrossRef]

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

[CrossRef]
[PubMed]

G. Orlando, P. Corso, E. Fiordilino, and F. Persico, “A three-colour scheme to generate isolated attosecond pulses,” J. Phys. B43, 025602 (2010).

[CrossRef]

B. Henke, E. Gullikson, and J. Davis, “X-ray interactions: photoabsorption, scattering, transmission, and reflection at E = 50 – 30,000eV, Z = 1 – 92,” At. Data Nucl. Data Tables54, 181–342 (1993).

[CrossRef]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

H. Du and B. Hu, “Propagation effects of isolated attosecond pulse generation with a multicycle chirped and chirped-free two-color field,” Phys. Rev. A84,023817 (2011).

[CrossRef]

H. Du, H. Wang, and B. Hu, “Isolated short attosecond pulse generated using a two-color laser and a high-order pulse,” Phys. Rev. A81, 063813 (2010).

[CrossRef]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Feit, J. Fleck, and A. Steiger, “Solution of the schrödinger equation by a spectral method,” J. Comput. Phys.47, 412–433 (1982).

[CrossRef]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

F. Ferrari, F. Calegari, M. Lucchini, C. Vozzi, S. Stagira, G. Sansone, and M. Nisoli, “High-energy isolated attosecond pulses generated by above-saturation few-cycle fields,” Nat. Photonics4, 875–879 (2010).

[CrossRef]

G. Orlando, P. Corso, E. Fiordilino, and F. Persico, “A three-colour scheme to generate isolated attosecond pulses,” J. Phys. B43, 025602 (2010).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

M. Feit, J. Fleck, and A. Steiger, “Solution of the schrödinger equation by a spectral method,” J. Comput. Phys.47, 412–433 (1982).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

M. Gaarde, J. Tate, and K. Schafer, “Macroscopic aspects of attosecond pulse generation,” J. Phys. B.41, 132001 (2008).

[CrossRef]

M. Gaarde and K. Schafer, “Generating single attosecond pulses via spatial filtering,” Opt. Lett.31, 3188–3190 (2006).

[CrossRef]
[PubMed]

M. Gaarde, M. Murakami, and R. Kienberger, “Spatial separation of large dynamical blueshift and harmonic generation,” Phys. Rev. A74, 053401 (2006).

[CrossRef]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

M. Gaarde and K. Schafer, “Large enhancement of macroscopic yield in attosecond pulse train-assisted harmonic generation,” Phys. Rev. A72, 013411 (2005).

[CrossRef]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

S. Gilbertson, S. Khan, Y. Wu, M. Chini, and Z. Chang, “Isolated attosecond pulse generation without the need to stabilize the carrier-envelope phase of driving lasers,” Phys. Rev. Lett.105, 093902 (2010).

[CrossRef]
[PubMed]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

Y. Xiang, Y. Niu, and S. Gong, “Control of the high-order harmonics cutoff through the combination of a chirped laser and static electric field,” Phys. Rev. A79, 053419 (2009).

[CrossRef]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

B. Henke, E. Gullikson, and J. Davis, “X-ray interactions: photoabsorption, scattering, transmission, and reflection at E = 50 – 30,000eV, Z = 1 – 92,” At. Data Nucl. Data Tables54, 181–342 (1993).

[CrossRef]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

B. Henke, E. Gullikson, and J. Davis, “X-ray interactions: photoabsorption, scattering, transmission, and reflection at E = 50 – 30,000eV, Z = 1 – 92,” At. Data Nucl. Data Tables54, 181–342 (1993).

[CrossRef]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

W. Hong, Q. Zhang, X. Zhu, and P. Lu, “Intense isolated attosecond pulse generation in pre-excited medium,” Opt. Express19, 4728–4739 (2011).

[CrossRef]
[PubMed]

W. Hong, P. Lu, Q. Li, and Q. Zhang, “Broadband water window supercontinuum generation with a tailored mid-IR pulse in neutral media,” Opt. Lett.34, 2102–2104 (2009).

[CrossRef]
[PubMed]

P. Lan, P. Lu, Q. Li, F. Li, W. Hong, and Q. Zhang, “Macroscopic effects for quantum control of broadband isolated attosecond pulse generation with a two-color field,” Phys. Rev. A79, 043413 (2009).

[CrossRef]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

H. Du and B. Hu, “Propagation effects of isolated attosecond pulse generation with a multicycle chirped and chirped-free two-color field,” Phys. Rev. A84,023817 (2011).

[CrossRef]

H. Du, H. Wang, and B. Hu, “Isolated short attosecond pulse generated using a two-color laser and a high-order pulse,” Phys. Rev. A81, 063813 (2010).

[CrossRef]

E. Takahashi, T. Kanai, K. Ishikawa, Y. Nabekawa, and K. Midorikawa, “Coherent water window x ray by phase-matched high-order harmonic generation in neutral media,” Phys. Rev. Lett.101, 253901 (2008).

[CrossRef]
[PubMed]

C. Jin, A-T Le, C. Trallero-Herrero, and C. Lin, “Generation of isolated attosecond pulses in the far field by spatial filtering with an intense few-cycle mid-infrared laser,” Phys. Rev. A84, 043411 (2011).

[CrossRef]

T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

P. Tzallas, E. Skantzakis, C. Kalpouzos, E. Benis, G. Tsakiris, and D. Charalambidis, “Generation of intense continuum extreme-ultraviolet radiation by many-cycle laser fields,” Nat. Phys.3, 846–850 (2007).

[CrossRef]

E. Takahashi, T. Kanai, K. Ishikawa, Y. Nabekawa, and K. Midorikawa, “Coherent water window x ray by phase-matched high-order harmonic generation in neutral media,” Phys. Rev. Lett.101, 253901 (2008).

[CrossRef]
[PubMed]

M. Vafaee, H. Sabzyan, Z. Vafaee, and A. Katanforoush, “Detailed instantaneous ionization rate of H2+ in an intense laser field,” Phys. Rev. A74, 043416 (2006).

[CrossRef]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

S. Gilbertson, S. Khan, Y. Wu, M. Chini, and Z. Chang, “Isolated attosecond pulse generation without the need to stabilize the carrier-envelope phase of driving lasers,” Phys. Rev. Lett.105, 093902 (2010).

[CrossRef]
[PubMed]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Gaarde, M. Murakami, and R. Kienberger, “Spatial separation of large dynamical blueshift and harmonic generation,” Phys. Rev. A74, 053401 (2006).

[CrossRef]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

V. Tosa, K. T. Kim, and C. H. Nam, “Macroscopic generation of attosecond-pulse trains in strongly ionized media,” Phys. Rev. A79, 043828 (2009).

[CrossRef]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

A. L’Huillier, Ph. Balcou, S. Candel, K. Schafer, and K. Kulander, “Calculations of high-order harmonic-generation processes in xenon at 1064 nm,” Phys. Rev. A46, 2778–2790 (1992).

[CrossRef]

C. Altucci, T. Starczewski, E. Mevel, C. Wahlström, B. Carré, and A. L’Huillier, “ Influence of atomic density in high-order harmonic generation,” J. Opt. Soc. Am. B13, 148–156 (1996).

[CrossRef]

Ph. Antoine, A. L’Huillier, and M. Lewenstein, “Attosecond pulse trains using high-order harmonics,” Phys. Rev. Lett.77, 1234–1237 (1996).

[CrossRef]
[PubMed]

Ph. Balcou and A. L’Huillier, “ Phase-matching effects in strong-field harmonic generation,” Phys. Rev. A47, 1447–1459 (1993).

[CrossRef]
[PubMed]

A. L’Huillier, Ph. Balcou, S. Candel, K. Schafer, and K. Kulander, “Calculations of high-order harmonic-generation processes in xenon at 1064 nm,” Phys. Rev. A46, 2778–2790 (1992).

[CrossRef]

E. Takahashi, P. Lan, O. Mücke, Y. Nabekawa, and K. Midorikawa, “Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse,” Phys. Rev. Lett.104, 233901 (2010).

[CrossRef]
[PubMed]

P. Lan, P. Lu, Q. Li, F. Li, W. Hong, and Q. Zhang, “Macroscopic effects for quantum control of broadband isolated attosecond pulse generation with a two-color field,” Phys. Rev. A79, 043413 (2009).

[CrossRef]

W. Cao, P. Lu, P. Lan, X. Wang, and G. Yang, “Efficient isolated attosecond pulse generation from a multi-cycle two-color laser field,” Opt. Express15, 530–535 (2007).

[CrossRef]
[PubMed]

C. Jin, A-T Le, C. Trallero-Herrero, and C. Lin, “Generation of isolated attosecond pulses in the far field by spatial filtering with an intense few-cycle mid-infrared laser,” Phys. Rev. A84, 043411 (2011).

[CrossRef]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

T. Pfeifer, L. Gallmann, M. Abel, D. Neumark, and S. Leone, “Single attosecond pulse generation in the multicycle-driver regime by adding a weak second-harmonic field,” Opt. Lett.31, 975–977 (2006).

[CrossRef]
[PubMed]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

Ph. Antoine, A. L’Huillier, and M. Lewenstein, “Attosecond pulse trains using high-order harmonics,” Phys. Rev. Lett.77, 1234–1237 (1996).

[CrossRef]
[PubMed]

P. Lan, P. Lu, Q. Li, F. Li, W. Hong, and Q. Zhang, “Macroscopic effects for quantum control of broadband isolated attosecond pulse generation with a two-color field,” Phys. Rev. A79, 043413 (2009).

[CrossRef]

P. Lan, P. Lu, Q. Li, F. Li, W. Hong, and Q. Zhang, “Macroscopic effects for quantum control of broadband isolated attosecond pulse generation with a two-color field,” Phys. Rev. A79, 043413 (2009).

[CrossRef]

W. Hong, P. Lu, Q. Li, and Q. Zhang, “Broadband water window supercontinuum generation with a tailored mid-IR pulse in neutral media,” Opt. Lett.34, 2102–2104 (2009).

[CrossRef]
[PubMed]

Z. Zeng, Y. Cheng, X. Song, R. Li, and Z. Xu, “Generation of an extreme ultraviolet supercontinuum in a two-color laser field,” Phys. Rev. Lett.98, 203901 (2007).

[CrossRef]
[PubMed]

C. Jin, A-T Le, C. Trallero-Herrero, and C. Lin, “Generation of isolated attosecond pulses in the far field by spatial filtering with an intense few-cycle mid-infrared laser,” Phys. Rev. A84, 043411 (2011).

[CrossRef]

T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

W. Hong, Q. Zhang, X. Zhu, and P. Lu, “Intense isolated attosecond pulse generation in pre-excited medium,” Opt. Express19, 4728–4739 (2011).

[CrossRef]
[PubMed]

W. Hong, P. Lu, Q. Li, and Q. Zhang, “Broadband water window supercontinuum generation with a tailored mid-IR pulse in neutral media,” Opt. Lett.34, 2102–2104 (2009).

[CrossRef]
[PubMed]

P. Lan, P. Lu, Q. Li, F. Li, W. Hong, and Q. Zhang, “Macroscopic effects for quantum control of broadband isolated attosecond pulse generation with a two-color field,” Phys. Rev. A79, 043413 (2009).

[CrossRef]

W. Cao, P. Lu, P. Lan, X. Wang, and G. Yang, “Efficient isolated attosecond pulse generation from a multi-cycle two-color laser field,” Opt. Express15, 530–535 (2007).

[CrossRef]
[PubMed]

F. Ferrari, F. Calegari, M. Lucchini, C. Vozzi, S. Stagira, G. Sansone, and M. Nisoli, “High-energy isolated attosecond pulses generated by above-saturation few-cycle fields,” Nat. Photonics4, 875–879 (2010).

[CrossRef]

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in a strong electromagnetic field,” Phys. Rev. A51, R1750–R1753 (1995).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

E. Takahashi, P. Lan, O. Mücke, Y. Nabekawa, and K. Midorikawa, “Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse,” Phys. Rev. Lett.104, 233901 (2010).

[CrossRef]
[PubMed]

E. Takahashi, T. Kanai, K. Ishikawa, Y. Nabekawa, and K. Midorikawa, “Coherent water window x ray by phase-matched high-order harmonic generation in neutral media,” Phys. Rev. Lett.101, 253901 (2008).

[CrossRef]
[PubMed]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

E. Takahashi, P. Lan, O. Mücke, Y. Nabekawa, and K. Midorikawa, “Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse,” Phys. Rev. Lett.104, 233901 (2010).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Gaarde, M. Murakami, and R. Kienberger, “Spatial separation of large dynamical blueshift and harmonic generation,” Phys. Rev. A74, 053401 (2006).

[CrossRef]

E. Takahashi, P. Lan, O. Mücke, Y. Nabekawa, and K. Midorikawa, “Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse,” Phys. Rev. Lett.104, 233901 (2010).

[CrossRef]
[PubMed]

E. Takahashi, T. Kanai, K. Ishikawa, Y. Nabekawa, and K. Midorikawa, “Coherent water window x ray by phase-matched high-order harmonic generation in neutral media,” Phys. Rev. Lett.101, 253901 (2008).

[CrossRef]
[PubMed]

T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

V. Tosa, K. T. Kim, and C. H. Nam, “Macroscopic generation of attosecond-pulse trains in strongly ionized media,” Phys. Rev. A79, 043828 (2009).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

T. Pfeifer, L. Gallmann, M. Abel, D. Neumark, and S. Leone, “Single attosecond pulse generation in the multicycle-driver regime by adding a weak second-harmonic field,” Opt. Lett.31, 975–977 (2006).

[CrossRef]
[PubMed]

F. Ferrari, F. Calegari, M. Lucchini, C. Vozzi, S. Stagira, G. Sansone, and M. Nisoli, “High-energy isolated attosecond pulses generated by above-saturation few-cycle fields,” Nat. Photonics4, 875–879 (2010).

[CrossRef]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

Y. Xiang, Y. Niu, and S. Gong, “Control of the high-order harmonics cutoff through the combination of a chirped laser and static electric field,” Phys. Rev. A79, 053419 (2009).

[CrossRef]

G. Orlando, P. Corso, E. Fiordilino, and F. Persico, “A three-colour scheme to generate isolated attosecond pulses,” J. Phys. B43, 025602 (2010).

[CrossRef]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

G. Orlando, P. Corso, E. Fiordilino, and F. Persico, “A three-colour scheme to generate isolated attosecond pulses,” J. Phys. B43, 025602 (2010).

[CrossRef]

T. Pfeifer, M. Abel, P. Nagel, A. Jullien, Z. Loh, M. Bell, D. Neumark, and S. Leone, “Time-resolved spectroscopy of attosecond quantum dynamics,” Chem. Phys. Lett.463, 11–24 (2008).

[CrossRef]

T. Pfeifer, L. Gallmann, M. Abel, D. Neumark, and S. Leone, “Single attosecond pulse generation in the multicycle-driver regime by adding a weak second-harmonic field,” Opt. Lett.31, 975–977 (2006).

[CrossRef]
[PubMed]

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in a strong electromagnetic field,” Phys. Rev. A51, R1750–R1753 (1995).

[CrossRef]
[PubMed]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

M. Vafaee, H. Sabzyan, Z. Vafaee, and A. Katanforoush, “Detailed instantaneous ionization rate of H2+ in an intense laser field,” Phys. Rev. A74, 043416 (2006).

[CrossRef]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

J. Watson, A. Sanpera, X. Chen, and K. Burnett, “Harmonic generation from a coherent superposition of states,” Phys. Rev. A53, R1962–R1965 (1996).

[CrossRef]
[PubMed]

F. Ferrari, F. Calegari, M. Lucchini, C. Vozzi, S. Stagira, G. Sansone, and M. Nisoli, “High-energy isolated attosecond pulses generated by above-saturation few-cycle fields,” Nat. Photonics4, 875–879 (2010).

[CrossRef]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

M. Gaarde, J. Tate, and K. Schafer, “Macroscopic aspects of attosecond pulse generation,” J. Phys. B.41, 132001 (2008).

[CrossRef]

M. Gaarde and K. Schafer, “Generating single attosecond pulses via spatial filtering,” Opt. Lett.31, 3188–3190 (2006).

[CrossRef]
[PubMed]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

M. Gaarde and K. Schafer, “Large enhancement of macroscopic yield in attosecond pulse train-assisted harmonic generation,” Phys. Rev. A72, 013411 (2005).

[CrossRef]

A. L’Huillier, Ph. Balcou, S. Candel, K. Schafer, and K. Kulander, “Calculations of high-order harmonic-generation processes in xenon at 1064 nm,” Phys. Rev. A46, 2778–2790 (1992).

[CrossRef]

J. Biegert, A. Heinrich, C. Hauri, W. Kornelis, P. Schlup, M. Anscombe, K. Schafer, M. Gaarde, and U. Keller, “Enhancement of high-order harmonic emission using attosecond pulse trains,” Laser Phys.15, 899–902 (2005).

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

P. Tzallas, E. Skantzakis, C. Kalpouzos, E. Benis, G. Tsakiris, and D. Charalambidis, “Generation of intense continuum extreme-ultraviolet radiation by many-cycle laser fields,” Nat. Phys.3, 846–850 (2007).

[CrossRef]

Z. Zeng, Y. Cheng, X. Song, R. Li, and Z. Xu, “Generation of an extreme ultraviolet supercontinuum in a two-color laser field,” Phys. Rev. Lett.98, 203901 (2007).

[CrossRef]
[PubMed]

F. Ferrari, F. Calegari, M. Lucchini, C. Vozzi, S. Stagira, G. Sansone, and M. Nisoli, “High-energy isolated attosecond pulses generated by above-saturation few-cycle fields,” Nat. Photonics4, 875–879 (2010).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

M. Feit, J. Fleck, and A. Steiger, “Solution of the schrödinger equation by a spectral method,” J. Comput. Phys.47, 412–433 (1982).

[CrossRef]

E. Takahashi, P. Lan, O. Mücke, Y. Nabekawa, and K. Midorikawa, “Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse,” Phys. Rev. Lett.104, 233901 (2010).

[CrossRef]
[PubMed]

E. Takahashi, T. Kanai, K. Ishikawa, Y. Nabekawa, and K. Midorikawa, “Coherent water window x ray by phase-matched high-order harmonic generation in neutral media,” Phys. Rev. Lett.101, 253901 (2008).

[CrossRef]
[PubMed]

M. Gaarde, J. Tate, and K. Schafer, “Macroscopic aspects of attosecond pulse generation,” J. Phys. B.41, 132001 (2008).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

V. Tosa, K. T. Kim, and C. H. Nam, “Macroscopic generation of attosecond-pulse trains in strongly ionized media,” Phys. Rev. A79, 043828 (2009).

[CrossRef]

C. Altucci, V. Tosa, and R. Velotta, “Beyond the single-atom response in isolated attosecond-pulse generation,” Phys. Rev. A75, 061401(R) (2007).

[CrossRef]

C. Jin, A-T Le, C. Trallero-Herrero, and C. Lin, “Generation of isolated attosecond pulses in the far field by spatial filtering with an intense few-cycle mid-infrared laser,” Phys. Rev. A84, 043411 (2011).

[CrossRef]

P. Tzallas, E. Skantzakis, C. Kalpouzos, E. Benis, G. Tsakiris, and D. Charalambidis, “Generation of intense continuum extreme-ultraviolet radiation by many-cycle laser fields,” Nat. Phys.3, 846–850 (2007).

[CrossRef]

P. Tzallas, E. Skantzakis, C. Kalpouzos, E. Benis, G. Tsakiris, and D. Charalambidis, “Generation of intense continuum extreme-ultraviolet radiation by many-cycle laser fields,” Nat. Phys.3, 846–850 (2007).

[CrossRef]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Vafaee, H. Sabzyan, Z. Vafaee, and A. Katanforoush, “Detailed instantaneous ionization rate of H2+ in an intense laser field,” Phys. Rev. A74, 043416 (2006).

[CrossRef]

M. Vafaee, H. Sabzyan, Z. Vafaee, and A. Katanforoush, “Detailed instantaneous ionization rate of H2+ in an intense laser field,” Phys. Rev. A74, 043416 (2006).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

C. Altucci, V. Tosa, and R. Velotta, “Beyond the single-atom response in isolated attosecond-pulse generation,” Phys. Rev. A75, 061401(R) (2007).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

E. Priori, G. Cerullo, M. Nisoli, S. Stagira, S. De Silvestri, P. Villoresi, L. Poletto, P. Ceccherini, C. Altucci, R. Bruzzese, and C. de Lisio, “Nonadiabatic three-dimentional model of high-order harmonic generation in the few-optical cycle regime,” Phys. Rev. A61, 063801 (2000).

[CrossRef]

F. Ferrari, F. Calegari, M. Lucchini, C. Vozzi, S. Stagira, G. Sansone, and M. Nisoli, “High-energy isolated attosecond pulses generated by above-saturation few-cycle fields,” Nat. Photonics4, 875–879 (2010).

[CrossRef]

C. Altucci, R. Velotta, V. Tosa, P. Villoresi, F. Frassetto, L. Poletto, C. Vozzi, F. Calegari, M. Negro, S. De Silvestri, and S. Stagira, “Interplay between group-delay-dispersion-induced polarization gating and ionization to generate isolated attosecond pulses from multicycle lasers,” Opt. Lett.35, 2798–2880 (2010).

[CrossRef]
[PubMed]

F. Calegari, C. Vozzi, M. Negro, G. Sansone, F. Frassetto, L. Poletto, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Efficient continuum generation exceeding 200 eV by intense ultrashort two-color driver,” Opt. Lett.34, 3125–3127 (2009).

[CrossRef]
[PubMed]

C. Vozzi, F. Calegari, F. Frassetto, L. Poletto, G. Sansone, P. Villoresi, M. Nisoli, S. De Silvestri, and S. Stagira, “Coherent continuum generation above 100 eV driven by an ir parametric source in a two-color scheme,” Phys. Rev. A79, 033842 (2009).

[CrossRef]

G. Sansone, E. Benedetti, F. Calegari, C. Vozzi, L. Avaldi, R. Flammini, L. Poletto, P. Villoresi, C. Altucci, R. Velotta, S. Stagira, S. De Silvestri, and M. Nisoli, “Isolated single-cycle attosecond pulses,” Science314, 443–446 (2006).

[CrossRef]
[PubMed]

P. Salières, B. Carré, L. Le Déroff, F. Grasbon, G. Paulus, H. Walther, R. Kopold, W. Becker, D. Milosević, A. Sanpera, and M. Lewenstein, “Feynman’s path-integral approach for intense-laser-atom interactions,” Science292, 902–905 (2001).

[CrossRef]
[PubMed]

H. Du, H. Wang, and B. Hu, “Isolated short attosecond pulse generated using a two-color laser and a high-order pulse,” Phys. Rev. A81, 063813 (2010).

[CrossRef]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

J. Watson, A. Sanpera, X. Chen, and K. Burnett, “Harmonic generation from a coherent superposition of states,” Phys. Rev. A53, R1962–R1965 (1996).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

S. Gilbertson, S. Khan, Y. Wu, M. Chini, and Z. Chang, “Isolated attosecond pulse generation without the need to stabilize the carrier-envelope phase of driving lasers,” Phys. Rev. Lett.105, 093902 (2010).

[CrossRef]
[PubMed]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]

Y. Xiang, Y. Niu, and S. Gong, “Control of the high-order harmonics cutoff through the combination of a chirped laser and static electric field,” Phys. Rev. A79, 053419 (2009).

[CrossRef]

Z. Zeng, Y. Cheng, X. Song, R. Li, and Z. Xu, “Generation of an extreme ultraviolet supercontinuum in a two-color laser field,” Phys. Rev. Lett.98, 203901 (2007).

[CrossRef]
[PubMed]

E. Goulielmakis, M. Schultze, M. Hofstetter, V. Yakovlev, J. Gagnon, M. Uiberacker, A. Aquila, E. Gullikson, D. Attwood, R. Kienberger, F. Krausz, and U. Kleineberg, “Single-cycle nonlinear optics,” Science320, 1614–1617 (2008).

[CrossRef]
[PubMed]

A. Cavalieri, N. Müller, T. Uphues, V. Yakovlev, A. Balthuška, B. Hovrath, B. Schmidt, L. Blumel, R. Holzwarth, S. Hendel, M. Drescher, U. Kleineberg, P. Echenique, R. Kienberger, F. Krausz, and U. Heinzmann, “Attosecond spectroscopy in condensed matter,” Nature449, 1029–1032 (2007).

[CrossRef]
[PubMed]

M. Drescher, M. Hentschel, R. Kienberger, M. Uiberacker, V. Yakovlev, A. Scrinzi, T. Westerwalbesloh, U. Kleineberg, U. Heinzmann, and F. Krausz, “Time-resolved atomic inner-shell spectroscopy,” Nature419, 803–807 (2002).

[CrossRef]
[PubMed]

H. Mashiko, S. Gilbertson, M. Chini, X. Feng, C. Yun, H. Wang, S. Khan, S. Chen, and Z. Chang, “Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time,” Opt. Lett.34, 3337–3339 (2009).

[CrossRef]
[PubMed]

Z. Zeng, Y. Cheng, X. Song, R. Li, and Z. Xu, “Generation of an extreme ultraviolet supercontinuum in a two-color laser field,” Phys. Rev. Lett.98, 203901 (2007).

[CrossRef]
[PubMed]

W. Hong, Q. Zhang, X. Zhu, and P. Lu, “Intense isolated attosecond pulse generation in pre-excited medium,” Opt. Express19, 4728–4739 (2011).

[CrossRef]
[PubMed]

W. Hong, P. Lu, Q. Li, and Q. Zhang, “Broadband water window supercontinuum generation with a tailored mid-IR pulse in neutral media,” Opt. Lett.34, 2102–2104 (2009).

[CrossRef]
[PubMed]

P. Lan, P. Lu, Q. Li, F. Li, W. Hong, and Q. Zhang, “Macroscopic effects for quantum control of broadband isolated attosecond pulse generation with a two-color field,” Phys. Rev. A79, 043413 (2009).

[CrossRef]

X. Feng, S. Gilbertson, H. Mashiko, H. Wang, S. Khan, M. Chini, Y. Wu, K. Zhao, and Z. Chang, “Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers,” Phys. Rev. Lett.103, 183901 (2009).

[CrossRef]
[PubMed]