S. G. Preston and J. B. Watson, “Generation of harmonic quasi-continuum from beating laser fields,” J. Phys. B 31, 2247–2257 (1998).

[Crossref]

E. Cormier and P. Lambropoulos, “Above-threshold ionization spectrum of hydrogen using b-spline functions,” J. Phys. B 30, 77–91 (1997).

[Crossref]

E. Cormier and P. Lambropoulos, “Effect of strong dressing field on the polarizability of atomic helium at harmonic frequencies,” J. Phys. B 30, 3095–3106 (1997).

[Crossref]

K. J. Schafer and K. C. Kulander, “High harmonic generation from ultrafast pump lasers,” Phys. Rev. Lett. 78, 638–641 (1997).

[Crossref]

C. Figueira de Morisson Faria, M. Dörr, and W. Sandner, “Time profile of harmonic generation,” Phys. Rev. A 55, 3961–3963 (1997).

[Crossref]

Ph. Antoine, B. Piraux, D. B. Milosevic, and M. Gadja, “Generation of ultrashort pulses of harmonics,” Phys. Rev. A 54, R1761–R1764 (1996).

[Crossref]
[PubMed]

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

M. B. Gaarde, A. L’Huillier, and M. Lewenstein, “Theory of high-order sum and difference frequency mixing in a strong bichromatic laser field,” Phys. Rev. A 54, 4236–4248 (1996).

[Crossref]
[PubMed]

M. Protopapas, A. Sanpera, P. L. Knight, and K. Burnett, “High intensity two color interactions in the tunneling and stabilization regimes,” Phys. Rev. A 52, R2527–R2530 (1995).

[Crossref]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in strong electromagnetic field,” Phys. Rev. A 51, R1750–R1753 (1995).

[Crossref]

M. Lewenstein, P. Salieres, and A. L’Huillier, “Phase of the atomic polarization in high-order harmonic generation,” Phys. Rev. A 52, 4747–4754 (1995).

[Crossref]
[PubMed]

M. Lewenstein, P. Balcou, M. Yu Ivanov, A. L’Huillier, and P. B. Corkum, “Theory of high harmonic generation by low-frequency laser fields,” Phys. Rev. A 49, 2117–2132 (1994).

[Crossref]
[PubMed]

S. C. Rae, K. Burnett, and J. Cooper, “Generation and propagation of high-order harmonics in a rapidly ionizing medium,” Phys. Rev. A 50, 3438–3446 (1994).

[Crossref]
[PubMed]

H. Eichmann, S. Meyer, K. Riepl, C. Momma, and B. Wellegehausen, “Generation of short-pulse tunable xuv radiation by high-order frequency mixing,” Phys. Rev. A 50, R2834–R2836 (1994).

[Crossref]
[PubMed]

M. Protopapas, P. L. Knight, and K. Burnett, “Phase dependence in two color excitation of a model atom by intense fields,” Phys. Rev. A 49, 1945–1949 (1994).

[Crossref]
[PubMed]

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

[Crossref]
[PubMed]

M. D. Perry and J. K. Crane, “High-order harmonic emission from mixed fields,” Phys. Rev. A 48, R4051–R4054 (1993).

[Crossref]

K. Burnett, V. C. Reed, J. Cooper, and P. L. Knight, “Calculation of the background emitted during high-harmonic generation,” Phys. Rev. A 45, 3347–3349 (1992).

[Crossref]
[PubMed]

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in strong electromagnetic field,” Phys. Rev. A 51, R1750–R1753 (1995).

[Crossref]

Ph. Antoine, B. Piraux, D. B. Milosevic, and M. Gadja, “Generation of ultrashort pulses of harmonics,” Phys. Rev. A 54, R1761–R1764 (1996).

[Crossref]
[PubMed]

M. Lewenstein, P. Balcou, M. Yu Ivanov, A. L’Huillier, and P. B. Corkum, “Theory of high harmonic generation by low-frequency laser fields,” Phys. Rev. A 49, 2117–2132 (1994).

[Crossref]
[PubMed]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

M. Protopapas, A. Sanpera, P. L. Knight, and K. Burnett, “High intensity two color interactions in the tunneling and stabilization regimes,” Phys. Rev. A 52, R2527–R2530 (1995).

[Crossref]

M. Protopapas, P. L. Knight, and K. Burnett, “Phase dependence in two color excitation of a model atom by intense fields,” Phys. Rev. A 49, 1945–1949 (1994).

[Crossref]
[PubMed]

S. C. Rae, K. Burnett, and J. Cooper, “Generation and propagation of high-order harmonics in a rapidly ionizing medium,” Phys. Rev. A 50, 3438–3446 (1994).

[Crossref]
[PubMed]

K. Burnett, V. C. Reed, J. Cooper, and P. L. Knight, “Calculation of the background emitted during high-harmonic generation,” Phys. Rev. A 45, 3347–3349 (1992).

[Crossref]
[PubMed]

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

S. C. Rae, K. Burnett, and J. Cooper, “Generation and propagation of high-order harmonics in a rapidly ionizing medium,” Phys. Rev. A 50, 3438–3446 (1994).

[Crossref]
[PubMed]

K. Burnett, V. C. Reed, J. Cooper, and P. L. Knight, “Calculation of the background emitted during high-harmonic generation,” Phys. Rev. A 45, 3347–3349 (1992).

[Crossref]
[PubMed]

M. Lewenstein, P. Balcou, M. Yu Ivanov, A. L’Huillier, and P. B. Corkum, “Theory of high harmonic generation by low-frequency laser fields,” Phys. Rev. A 49, 2117–2132 (1994).

[Crossref]
[PubMed]

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

[Crossref]
[PubMed]

E. Cormier and P. Lambropoulos, “Above-threshold ionization spectrum of hydrogen using b-spline functions,” J. Phys. B 30, 77–91 (1997).

[Crossref]

E. Cormier and P. Lambropoulos, “Effect of strong dressing field on the polarizability of atomic helium at harmonic frequencies,” J. Phys. B 30, 3095–3106 (1997).

[Crossref]

M. D. Perry and J. K. Crane, “High-order harmonic emission from mixed fields,” Phys. Rev. A 48, R4051–R4054 (1993).

[Crossref]

C. de Boor, A Practical Guide to Splines (Springer-Verlag, New York, 1978).

C. Figueira de Morisson Faria, M. Dörr, and W. Sandner, “Time profile of harmonic generation,” Phys. Rev. A 55, 3961–3963 (1997).

[Crossref]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

H. Eichmann, S. Meyer, K. Riepl, C. Momma, and B. Wellegehausen, “Generation of short-pulse tunable xuv radiation by high-order frequency mixing,” Phys. Rev. A 50, R2834–R2836 (1994).

[Crossref]
[PubMed]

C. Figueira de Morisson Faria, M. Dörr, and W. Sandner, “Time profile of harmonic generation,” Phys. Rev. A 55, 3961–3963 (1997).

[Crossref]

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

M. B. Gaarde, A. L’Huillier, and M. Lewenstein, “Theory of high-order sum and difference frequency mixing in a strong bichromatic laser field,” Phys. Rev. A 54, 4236–4248 (1996).

[Crossref]
[PubMed]

Ph. Antoine, B. Piraux, D. B. Milosevic, and M. Gadja, “Generation of ultrashort pulses of harmonics,” Phys. Rev. A 54, R1761–R1764 (1996).

[Crossref]
[PubMed]

M. Lewenstein, P. Balcou, M. Yu Ivanov, A. L’Huillier, and P. B. Corkum, “Theory of high harmonic generation by low-frequency laser fields,” Phys. Rev. A 49, 2117–2132 (1994).

[Crossref]
[PubMed]

M. Protopapas, A. Sanpera, P. L. Knight, and K. Burnett, “High intensity two color interactions in the tunneling and stabilization regimes,” Phys. Rev. A 52, R2527–R2530 (1995).

[Crossref]

M. Protopapas, P. L. Knight, and K. Burnett, “Phase dependence in two color excitation of a model atom by intense fields,” Phys. Rev. A 49, 1945–1949 (1994).

[Crossref]
[PubMed]

K. Burnett, V. C. Reed, J. Cooper, and P. L. Knight, “Calculation of the background emitted during high-harmonic generation,” Phys. Rev. A 45, 3347–3349 (1992).

[Crossref]
[PubMed]

K. C. Kulander, K. J. Schafer, and J. L. Krause, “Dynamics of short-pulse excitation, ionization and harmonic conversion,” in Super Intense Laser-Atom Physics, B. Piraux, Anne L’Huillier, and Kazimierz Rzazewski, eds. (Plenum, New York, 1993), pp. 95–127.

K. J. Schafer and K. C. Kulander, “High harmonic generation from ultrafast pump lasers,” Phys. Rev. Lett. 78, 638–641 (1997).

[Crossref]

K. C. Kulander, K. J. Schafer, and J. L. Krause, “Dynamics of short-pulse excitation, ionization and harmonic conversion,” in Super Intense Laser-Atom Physics, B. Piraux, Anne L’Huillier, and Kazimierz Rzazewski, eds. (Plenum, New York, 1993), pp. 95–127.

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

M. B. Gaarde, A. L’Huillier, and M. Lewenstein, “Theory of high-order sum and difference frequency mixing in a strong bichromatic laser field,” Phys. Rev. A 54, 4236–4248 (1996).

[Crossref]
[PubMed]

M. Lewenstein, P. Salieres, and A. L’Huillier, “Phase of the atomic polarization in high-order harmonic generation,” Phys. Rev. A 52, 4747–4754 (1995).

[Crossref]
[PubMed]

M. Lewenstein, P. Balcou, M. Yu Ivanov, A. L’Huillier, and P. B. Corkum, “Theory of high harmonic generation by low-frequency laser fields,” Phys. Rev. A 49, 2117–2132 (1994).

[Crossref]
[PubMed]

E. Cormier and P. Lambropoulos, “Effect of strong dressing field on the polarizability of atomic helium at harmonic frequencies,” J. Phys. B 30, 3095–3106 (1997).

[Crossref]

E. Cormier and P. Lambropoulos, “Above-threshold ionization spectrum of hydrogen using b-spline functions,” J. Phys. B 30, 77–91 (1997).

[Crossref]

M. B. Gaarde, A. L’Huillier, and M. Lewenstein, “Theory of high-order sum and difference frequency mixing in a strong bichromatic laser field,” Phys. Rev. A 54, 4236–4248 (1996).

[Crossref]
[PubMed]

M. Lewenstein, P. Salieres, and A. L’Huillier, “Phase of the atomic polarization in high-order harmonic generation,” Phys. Rev. A 52, 4747–4754 (1995).

[Crossref]
[PubMed]

M. Lewenstein, P. Balcou, M. Yu Ivanov, A. L’Huillier, and P. B. Corkum, “Theory of high harmonic generation by low-frequency laser fields,” Phys. Rev. A 49, 2117–2132 (1994).

[Crossref]
[PubMed]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in strong electromagnetic field,” Phys. Rev. A 51, R1750–R1753 (1995).

[Crossref]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

H. Eichmann, S. Meyer, K. Riepl, C. Momma, and B. Wellegehausen, “Generation of short-pulse tunable xuv radiation by high-order frequency mixing,” Phys. Rev. A 50, R2834–R2836 (1994).

[Crossref]
[PubMed]

Ph. Antoine, B. Piraux, D. B. Milosevic, and M. Gadja, “Generation of ultrashort pulses of harmonics,” Phys. Rev. A 54, R1761–R1764 (1996).

[Crossref]
[PubMed]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

H. Eichmann, S. Meyer, K. Riepl, C. Momma, and B. Wellegehausen, “Generation of short-pulse tunable xuv radiation by high-order frequency mixing,” Phys. Rev. A 50, R2834–R2836 (1994).

[Crossref]
[PubMed]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

M. D. Perry and J. K. Crane, “High-order harmonic emission from mixed fields,” Phys. Rev. A 48, R4051–R4054 (1993).

[Crossref]

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

Ph. Antoine, B. Piraux, D. B. Milosevic, and M. Gadja, “Generation of ultrashort pulses of harmonics,” Phys. Rev. A 54, R1761–R1764 (1996).

[Crossref]
[PubMed]

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in strong electromagnetic field,” Phys. Rev. A 51, R1750–R1753 (1995).

[Crossref]

S. G. Preston and J. B. Watson, “Generation of harmonic quasi-continuum from beating laser fields,” J. Phys. B 31, 2247–2257 (1998).

[Crossref]

M. Protopapas, A. Sanpera, P. L. Knight, and K. Burnett, “High intensity two color interactions in the tunneling and stabilization regimes,” Phys. Rev. A 52, R2527–R2530 (1995).

[Crossref]

M. Protopapas, P. L. Knight, and K. Burnett, “Phase dependence in two color excitation of a model atom by intense fields,” Phys. Rev. A 49, 1945–1949 (1994).

[Crossref]
[PubMed]

S. C. Rae, K. Burnett, and J. Cooper, “Generation and propagation of high-order harmonics in a rapidly ionizing medium,” Phys. Rev. A 50, 3438–3446 (1994).

[Crossref]
[PubMed]

K. Burnett, V. C. Reed, J. Cooper, and P. L. Knight, “Calculation of the background emitted during high-harmonic generation,” Phys. Rev. A 45, 3347–3349 (1992).

[Crossref]
[PubMed]

H. Eichmann, S. Meyer, K. Riepl, C. Momma, and B. Wellegehausen, “Generation of short-pulse tunable xuv radiation by high-order frequency mixing,” Phys. Rev. A 50, R2834–R2836 (1994).

[Crossref]
[PubMed]

M. Lewenstein, P. Salieres, and A. L’Huillier, “Phase of the atomic polarization in high-order harmonic generation,” Phys. Rev. A 52, 4747–4754 (1995).

[Crossref]
[PubMed]

C. Figueira de Morisson Faria, M. Dörr, and W. Sandner, “Time profile of harmonic generation,” Phys. Rev. A 55, 3961–3963 (1997).

[Crossref]

M. Protopapas, A. Sanpera, P. L. Knight, and K. Burnett, “High intensity two color interactions in the tunneling and stabilization regimes,” Phys. Rev. A 52, R2527–R2530 (1995).

[Crossref]

K. J. Schafer and K. C. Kulander, “High harmonic generation from ultrafast pump lasers,” Phys. Rev. Lett. 78, 638–641 (1997).

[Crossref]

K. C. Kulander, K. J. Schafer, and J. L. Krause, “Dynamics of short-pulse excitation, ionization and harmonic conversion,” in Super Intense Laser-Atom Physics, B. Piraux, Anne L’Huillier, and Kazimierz Rzazewski, eds. (Plenum, New York, 1993), pp. 95–127.

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

S. G. Preston and J. B. Watson, “Generation of harmonic quasi-continuum from beating laser fields,” J. Phys. B 31, 2247–2257 (1998).

[Crossref]

H. Eichmann, S. Meyer, K. Riepl, C. Momma, and B. Wellegehausen, “Generation of short-pulse tunable xuv radiation by high-order frequency mixing,” Phys. Rev. A 50, R2834–R2836 (1994).

[Crossref]
[PubMed]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

M. B. Gaarde, P. Antoine, A. Persson, B. Carre, A. L’Huillier, and C. G. Wahlstrom, “High-order tunable sum and difference frequency mixing in the xuv region,” J. Phys. B 29, L163–L168 (1996).

[Crossref]

E. Cormier and P. Lambropoulos, “Above-threshold ionization spectrum of hydrogen using b-spline functions,” J. Phys. B 30, 77–91 (1997).

[Crossref]

E. Cormier and P. Lambropoulos, “Effect of strong dressing field on the polarizability of atomic helium at harmonic frequencies,” J. Phys. B 30, 3095–3106 (1997).

[Crossref]

S. G. Preston and J. B. Watson, “Generation of harmonic quasi-continuum from beating laser fields,” J. Phys. B 31, 2247–2257 (1998).

[Crossref]

M. Lewenstein, P. Balcou, M. Yu Ivanov, A. L’Huillier, and P. B. Corkum, “Theory of high harmonic generation by low-frequency laser fields,” Phys. Rev. A 49, 2117–2132 (1994).

[Crossref]
[PubMed]

M. Lewenstein, P. Salieres, and A. L’Huillier, “Phase of the atomic polarization in high-order harmonic generation,” Phys. Rev. A 52, 4747–4754 (1995).

[Crossref]
[PubMed]

C. Figueira de Morisson Faria, M. Dörr, and W. Sandner, “Time profile of harmonic generation,” Phys. Rev. A 55, 3961–3963 (1997).

[Crossref]

K. Burnett, V. C. Reed, J. Cooper, and P. L. Knight, “Calculation of the background emitted during high-harmonic generation,” Phys. Rev. A 45, 3347–3349 (1992).

[Crossref]
[PubMed]

Ph. Antoine, B. Piraux, D. B. Milosevic, and M. Gadja, “Generation of ultrashort pulses of harmonics,” Phys. Rev. A 54, R1761–R1764 (1996).

[Crossref]
[PubMed]

P. Antoine, B. Piraux, and A. Maquet, “Time profile of harmonics generated by a single atom in strong electromagnetic field,” Phys. Rev. A 51, R1750–R1753 (1995).

[Crossref]

S. C. Rae, K. Burnett, and J. Cooper, “Generation and propagation of high-order harmonics in a rapidly ionizing medium,” Phys. Rev. A 50, 3438–3446 (1994).

[Crossref]
[PubMed]

H. Eichmann, S. Meyer, K. Riepl, C. Momma, and B. Wellegehausen, “Generation of short-pulse tunable xuv radiation by high-order frequency mixing,” Phys. Rev. A 50, R2834–R2836 (1994).

[Crossref]
[PubMed]

H. Eichmann, A. Egbert, S. Nolte, C. Momma, B. Welleghausen, W. Becker, S. Long, and J. K. McIver, “Polarization-dependent high-order two color mixing,” Phys. Rev. A 51, R3414–R3417 (1995).

[Crossref]

M. D. Perry and J. K. Crane, “High-order harmonic emission from mixed fields,” Phys. Rev. A 48, R4051–R4054 (1993).

[Crossref]

M. Protopapas, P. L. Knight, and K. Burnett, “Phase dependence in two color excitation of a model atom by intense fields,” Phys. Rev. A 49, 1945–1949 (1994).

[Crossref]
[PubMed]

M. Protopapas, A. Sanpera, P. L. Knight, and K. Burnett, “High intensity two color interactions in the tunneling and stabilization regimes,” Phys. Rev. A 52, R2527–R2530 (1995).

[Crossref]

M. B. Gaarde, A. L’Huillier, and M. Lewenstein, “Theory of high-order sum and difference frequency mixing in a strong bichromatic laser field,” Phys. Rev. A 54, 4236–4248 (1996).

[Crossref]
[PubMed]

K. J. Schafer and K. C. Kulander, “High harmonic generation from ultrafast pump lasers,” Phys. Rev. Lett. 78, 638–641 (1997).

[Crossref]

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

[Crossref]
[PubMed]

K. C. Kulander, K. J. Schafer, and J. L. Krause, “Dynamics of short-pulse excitation, ionization and harmonic conversion,” in Super Intense Laser-Atom Physics, B. Piraux, Anne L’Huillier, and Kazimierz Rzazewski, eds. (Plenum, New York, 1993), pp. 95–127.

C. de Boor, A Practical Guide to Splines (Springer-Verlag, New York, 1978).