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The macroscopic effects of high-order harmonic and attosecond pulse generation driven by two-color laser field are numerically investigated by three-dimensional propagation equation. It is shown that when the 6fs/800nm and 21.3fs/400 laser pulses are focused into gas medium, a broadband supercontinuum can be generated in the plateau by adjusting the time delay between two driven pulses, the position of the entrance of gas medium, the beam waist of driving pulses and the gas pressure. A highly synchronous isolated attosecond pulse can be generated by directly filtering out the harmonics from 420—540 eV in the supercontinuum, which facilitates the experimental implementation for the isolated attosecond pulse generation by two-color scheme.
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Keywords:
- propagation effects /
- isolated attosecond pulse /
- synchronization
[1] Brabec T, Krausz F 2000 Rev. Mod. Phys. 72 545
[2] Agostini P, Dimauro L F 2004 Rep. Prog. Phys. 67 813
[3] Cao W, Lan P f, Lu P X 2007 Acta Phys. Sin. 56 2482 (in Chinese) [曹 伟、兰鹏飞、陆培祥 2007 56 2482]
[4] Zeng Z N, Li R X, Xie X H, Xu Z Z 2004 Acta Phys. Sin. 53 2316 (in Chinese) [曾志男、李儒新、谢新华、徐至展 2004 53 2316]
[5] Drescher M, Hentschel M, Kienberger R, Uiberacker M, Yakovlev V, Scrinzi A, Westerwalbesloh Th, Kleineberg U, Heinzmann U, Krausz F 2002 Nature 419 803
[6] Li Q G, Lan P F, Hong W Y, Zhang Q B, Lu P X 2009 Acta Phys. Sin. 58 5679 (in Chinese) [李钱光、兰鹏飞、洪伟毅、张庆斌、陆培祥 2009 58 5679]
[7] Corkum P B 1993 Phys. Rev. Lett. 71 1994
[8] Hentschel M, Kienberger R, Spielmann Ch, Reider G A, Milosevic N, Brabec T, Corkum P, Heinzmann U, Drescher M, Krausz F 2001 Nature 414 509
[9] Zeng Z N, Cheng Y, Song X H, Li R X, Xu Z Z 2007 Phys. Rev. Lett. 98 203901
[10] Zheng Y H, Zeng Z N, Li X F, Chen X W, Liu P, X H, Lu H, Zhao S T, Wei P F, Zhang L, Wang Z G, Liu J, Cheng Y, Li R X, Xu Z Z 2008 Opt. Lett. 33 234
[11] Antoine P, Huillier A L, Lewenstein M 1996 Phys. Rev. Lett. 77 1234
[12] Bellini M, Lyngå C, Tozzi A, Gaarde M B, Hänsch T W, Huillier A and Wahlström C G 1998 Phys. Rev. Lett. 81 297
[13] Salières P, Carré B, Le Déroff L, Grasbon F, Paulus G G, Walther H, Kopold R 2001 Science 292 902
[14] Lewenstein M, Balcou P, Ivanov M Y, L Huillier A, Corkum P B 1994 Phys. Rev. A 49 2117
[15] Ammesov MV, Delone N B, Krainov VP 1986 Sov. Phys. JETP 64 1191
[16] Priori E, CerulloG, NisoliM, Stagria S, De Silvestri S 2000 Phys. Rev. A 61 06380
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[1] Brabec T, Krausz F 2000 Rev. Mod. Phys. 72 545
[2] Agostini P, Dimauro L F 2004 Rep. Prog. Phys. 67 813
[3] Cao W, Lan P f, Lu P X 2007 Acta Phys. Sin. 56 2482 (in Chinese) [曹 伟、兰鹏飞、陆培祥 2007 56 2482]
[4] Zeng Z N, Li R X, Xie X H, Xu Z Z 2004 Acta Phys. Sin. 53 2316 (in Chinese) [曾志男、李儒新、谢新华、徐至展 2004 53 2316]
[5] Drescher M, Hentschel M, Kienberger R, Uiberacker M, Yakovlev V, Scrinzi A, Westerwalbesloh Th, Kleineberg U, Heinzmann U, Krausz F 2002 Nature 419 803
[6] Li Q G, Lan P F, Hong W Y, Zhang Q B, Lu P X 2009 Acta Phys. Sin. 58 5679 (in Chinese) [李钱光、兰鹏飞、洪伟毅、张庆斌、陆培祥 2009 58 5679]
[7] Corkum P B 1993 Phys. Rev. Lett. 71 1994
[8] Hentschel M, Kienberger R, Spielmann Ch, Reider G A, Milosevic N, Brabec T, Corkum P, Heinzmann U, Drescher M, Krausz F 2001 Nature 414 509
[9] Zeng Z N, Cheng Y, Song X H, Li R X, Xu Z Z 2007 Phys. Rev. Lett. 98 203901
[10] Zheng Y H, Zeng Z N, Li X F, Chen X W, Liu P, X H, Lu H, Zhao S T, Wei P F, Zhang L, Wang Z G, Liu J, Cheng Y, Li R X, Xu Z Z 2008 Opt. Lett. 33 234
[11] Antoine P, Huillier A L, Lewenstein M 1996 Phys. Rev. Lett. 77 1234
[12] Bellini M, Lyngå C, Tozzi A, Gaarde M B, Hänsch T W, Huillier A and Wahlström C G 1998 Phys. Rev. Lett. 81 297
[13] Salières P, Carré B, Le Déroff L, Grasbon F, Paulus G G, Walther H, Kopold R 2001 Science 292 902
[14] Lewenstein M, Balcou P, Ivanov M Y, L Huillier A, Corkum P B 1994 Phys. Rev. A 49 2117
[15] Ammesov MV, Delone N B, Krainov VP 1986 Sov. Phys. JETP 64 1191
[16] Priori E, CerulloG, NisoliM, Stagria S, De Silvestri S 2000 Phys. Rev. A 61 06380
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