Modulation of terahertz generation in dual-color filaments by an external electric field and preformed plasma

doi:10.1088/1674-1056/25/4/044209

Abstract Terahertz generation driven by dual-color filaments in air is demonstrated to be remarkably enhanced by applying an external electric field to the filaments. As terahertz generation is sensitive to the dual-color phase difference, a preformed plasma is verified efficiently in modulating terahertz radiation from linear to elliptical polarization. In the presence of preformed plasma, a dual-color filament generates terahertz pulses of elliptical polarization and the corresponding ellipse rotates regularly with the change of the preformed plasma density. The observed terahertz modulation with the external electric field and the preformed plasma provides a simple way to estimate the plasma density and evaluate the photocurrent dynamics of the dual-color filaments. It provides further experimental evidence of the photo-current model in governing the dual-color filament driven terahertz generation processes.

Keywords: terahertz generation laser filament

Received: 20 October 2015
Revised: 27 November 2015
Accepted manuscript online:

PACS:	42.65.-k	(Nonlinear optics)
	52.38.-r	(Laser-plasma interactions)
	42.65.Re	(Ultrafast processes; optical pulse generation and pulse compression)

Fund: Project supported by the National Key Scientific Instrument Project, China (Grant No. 2012YQ150092), the National Basic Research Program of China (Grant No. 2011CB808105), the National Natural Science Foundation of China (Grant No. 11434005), the China Postdoctoral Science Foundation (Grant No. 2014M560348), and the Fund from the Shanghai Municipal Science and Technology Commission, China (Grant No. 14JC1401600).

Corresponding Authors: He-Ping Zeng
E-mail: hpzeng@phy.ecnu.edu.cn

Cite this article:

Min Li(李敏), An-Yuan Li(李安原), Bo-Qu He(何泊衢), Shuai Yuan(袁帅), He-Ping Zeng(曾和平) Modulation of terahertz generation in dual-color filaments by an external electric field and preformed plasma 2016 Chin. Phys. B 25 044209

[1]	Ferguson B and Zhang X C 2002 Nat. Mater. 1 26
[2]	Sherwin M S, Schmuttenmaer C A and Bucksbaum P H 2004 Report on a DOE-NSF-NIH Workshop
[3]	Hamster H, Sullivan A, Gordon S, White W and Falcone R W 1993 Phys. Rev. Lett. 71 2725
[4]	Leemans W P, C. Geddes G R, Faure J, Toth Cs, Tilborg J, Schroeder C B, Esarey E, Fubiani G, Auerbach D, Marcelis B, Carnahan M A, Kaindl R A, Byrd J and Martin M C 2003 Phys. Rev. Lett. 91 074802
[5]	Loffler T, Jacob F and Roskos H G 2000 Appl. Phys. Lett. 77 453
[6]	Houard A, Liu Y, Prade B, Tikhonchuk V T and Mysyrowicz A 2008 Phys. Rev. Lett. 100 255006
[7]	Sun W, Zhou Y, Wang X and Zhang Y 2008 Opt. Express 16 16573
[8]	Kress M, Löffler T, S Eden, Thomson M and Roskos H G 2004 Opt. Lett. 29 1120
[9]	Chen Y, Yamaguchi M, Wang M and Zhang X C 2007 Appl. Phys. Lett. 91 251116
[10]	Bartel T, Gaal P, Reimann K, Woerner M and Elsaesser T 2005 Opt. Lett. 30 2805
[11]	Dudovich N, Smirnova O, Levesque J, Mairesse Y, Ivanov M Y, Villeneuve D M and Corkum P B 2006 Nat. Phys. 2 781
[12]	Xie X, Dai J and Zhang X C 2006 Phys. Rev. Lett. 96 075005
[13]	Li M, Li W, Shi Y, Lu P and Zeng H P 2012 Appl. Phys. Lett. 101 161104
[14]	Wu J, Tong Y, Li M, Pan H and Zeng H P 2010 Phys. Rev. A 82 053416
[15]	Li M, Pan H, Tong Y, Chen C, Shi Y, Wu J and Zeng H P 2011 Opt. Lett. 36 3633
[16]	Dai J, Karpowicz N and Zhang X C 2009 Phys. Rev. Lett. 103 023001
[17]	Cook D J and Hochstrasser R M 2000 Opt. Lett. 25 1210
[18]	Kim K Y, Glownia J H, Taylor A J and Rodriguez G 2007 Opt. Express 15 4577
[19]	Chen Y, Wang T, Marceau C, Théberge F, Châteauneuf Marc, Dubois Jacques, Kosareva Olga and Chin See Leang 2009 Appl. Phys. Lett. 95 101101

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Modulation of terahertz generation in dual-color filaments by an external electric field and preformed plasma

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