A supercontinuum in the plateau generated by asymmetric molecular gases exposed to a two-color field

Li Qian-Guang; Yi Xu-Nong; Zhang Xiu; Lü Hao; Ding Yao-Ming

doi:10.7498/aps.60.017203

Abstract

The high order harmonic generation (HHG) from asymmetric molecular gas in two-color field has been investigated and a method for broadband supercontinuum generation in the plateau by asymmetric molecular gas exposed to multicycle laser pulse is proposed. The numerical simulation shows that the harmonics at the end of the plateau become continuous and form a supercontinuum with a bandwidth of about 80 eV, from which a 50 as pulse in the transform limited case can be generated, when asymmetric molecules are exposed to a multicycle two-color field, which is synthesized by a 10 fs/800 nm fundamental pulse and a 15 fs/1200 nm control pulse. After propagation through the molecular gas, most of the modulations in the supercontinuum are eliminated, and the supercontinuum becomes smoother, from which a 90 as isolated pulse can be produced.

Keywords:

supercontinuum /
attosecond pulse

Authors and contacts

1.
School of Physics and Electronic-information Engineering, Xiaogan College, Xiaogan 432000,Chian

References

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Cited By

[1]	Drescher M, Hentschel M, Kienberger R, Uiberacker M, Yakovelv V, Scrinzi A, Westerwalbesloh T, Kleineberg U, Heinzmann U, Krausz F 2002 Nature (London) 419 803
[2]	Goulielmakis E, Yakovlev S V, Cavalieri A L, Uiberacker M, Pervak V, Apolonski V, Kienberger R, Kleineberg U, Krausz F 2007 Science 317 769
[3]	Hentschel M , Kienberger R, Spielmann C, Reider G A, Milosevic N, Brabec T, Corkum P B, Heinzmann U, Drescher M, Krausz F 2001 Nature (London) 414 509
[4]	Paul P M, Toma E S, Breger P, Mullot G, Auge F, Balcou P, Muller H G, Agostini P 2001 Science 292 1689
[5]	Sansone G, Benedetti E, Calegari F, Vozzi C, Avaldi L, Flammini R, Poletto L, Villoresi P, Altucci C, Velotta R, Stagira S, Silvestri S D, Nisoli M 2006 Science 314 443
[6]	Lan P F, Lu P X, Cao W, Wang X L, Yang G 2006 Phys. Rev. A 74 063411
[7]	Cao W, Lan P F, Lu P X 2007 Acta Phys. Sin. 56 2482 (in Chinses)[曹伟、兰鹏飞、陆培祥 2007 物理学报 56 2482]
[8]	Goulielmakis E, Schultze M, Hofstetter M, Yakovlev V S, Gagnon J, Uiberacker M, Aquila A L, Gullikson E M, Attwood D T, Kienberger R, Krausz F, Kleineberg U 2008 Science 320 1614
[9]	Hong W Y, Lu P X, Lan P F, Yang Z Y, Li Y H,Liao Q 2008 Phys. Rev. A 77 033410
[10]	Zhai Z, Yu R F, Liu X S, Yang Y J 2008 Phys. Rev. A 78 041402
[11]	Zheng Y H, Zeng Z N, Li X F, Chen X W, Liu P, Xiong 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
[12]	Corkum P B 1993 Phys. Rev. Lett. 71 1994
[13]	Christov P, Murnane M M, Kapteyn H C 1997 Phys. Rev. Lett. 78 1251
[14]	Corkum P B, Burnett N H,Ivanov M Y 1994 Opt. Lett. 19 1870
[15]	Cao W,Lu P X, Lan P F, Wang X L, Li Y H 2007 Phys. Rev. A 75 063423
[16]	Zeng Z N, Cheng Y, Song X H, Li R X, Xu Z Z 2007 Phys. Rev. Lett. 98 203901
[17]	Hong W Y, Lu P X, Cao W, Lan P F, Wang X L 2007 J. Phys. B 40 2321
[18]	Cao W, Lu P X, Lan P F, Hong W Y, Wang X L 2007 J. Phys. B 40 869
[19]	Ye X L, Zhou X X, Zhao S F, Li P C 2009 Acta Phys. Sin. 58 1579 (in Chinese)[叶小亮、周效信、赵松峰、李鹏程 2009 物理学报 58 1579]
[20]	Hong W Y, Yang Z Y, Lan P F, Lu P X 2008 Acta Phys. Sin. 57 5853 (in Chinese)[洪伟毅、杨振宇、兰鹏飞、陆培祥 2008 物理学报 57 5853]
[21]	Lan P F, Lu P X, Cao W, Li Y H, Wang X L 2007 Phys. Rev. A 76 051801 (R)
[22]	Lan P F, Lu P X, Cao W, Li Y H, Wang X L 2007 Phys. Rev. A 76 011402(R)
[23]	Zheng Y H, Zeng Z N, Zou P, Zhang L, Li X F, Liu P, Li R X, Xu Z Z 2009 Phys. Rev. Lett. 103 043904
[24]	Hong W Y, Lu P X, Lan P F, Zhang Q B, Wang X B 2009 Opt. Express 17 5139
[25]	Pfeifer T, Gallmann L, Abel M J, Neumark D M, Leone S R 2006 Opt. Lett. 31 975
[26]	Cao W, Lu P X, Lan P F, Wang X L, Yang G 2006 Phys. Rev. A 74 063821
[27]	Zhang Q B, Lu P X, Lan P F, Hong W Y, Yang Z Y 2008 Optics Express 16 9795
[28]	Cao W, Lu P X, Lan P F, Wang X L, Yang G 2007 Opt. Express 15 530
[29]	Liao Q, Lu P X, Zhang Q B, Yang Z Y, Wang X B 2008 Opt. Express 16 17070
[30]	Liao Q, Lu P X, Lan P F, Cao W, Li Y H 2008 Phys. Rev. A 77 013408
[31]	Kamta G L, Bandrauk A D, Corkum P B 2005 J. Phys. B 38 339
[32]	Lan P F, Lu P X, Cao W, Li Y H, Wang X L 2007 Phys. Rev. A 76 021801
[33]	Lan P F, Lu P X, Cao W, Wang X L, Hong W Y 2007 Opt. Lett. 32 1186
[34]	Zhang Q B, Lu P X, Hong W Y, Liao Q, Wang S Y, 2009 Physical Review A 80 033405
[35]	Stapelfeldt H, Seideman T, 2003 Rev. Mod. Phys. 75 543
[36]	Goban A, Minemoto S, Sakai H 2008 Phys. Rev. Lett. 101 013001
[37]	Ben I I, Gertner I, Heber O, Rosner B 1993 Phys. Rev. Lett. 71 1347
[38]	Lan P F, Lu P X, Li F, Li Q G, Hong W Y, Zhang Q B, Yang Z Y, Wang X B 2008 Opt. Express 16 17542
[39]	Feit M D, Fleck J A, Jr, Steiger A 1982 J. Comput. Phys. 47 412
[40]	Burnett K, Reed V C, Cooper J, Knight P L 1992 Phys. Rev. A 45 3347
[41]	Vafaee M, Sabzyan H, Vafaee Z, Katanforoush A 2006 Phys. Rev. A 74 043416
[42]	Priori E, Cerullo G, Nisoli M, Stagria S, De Silvestri S 2000 Phys. Rev. A 61 063801
[43]	Zhang Q B, Lu P X, Hong W Y, Liao Q, Lan P F,Wang X B 2009 Phys. Rev. A 79 053406
[44]	Yudin G L, Bandrauk A D, Corkum P B 2006 Phys. Rev. Lett. 96 063002

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Vol. 60, Issue 1 - 2011-01-05

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