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10.1021/acsphotonics.6b00512SCIAkimov AV, 2007, NATURE, V450, P402, DOI 10.1038/nature06230; Bai Y, 2012, PHYS REV LETT, V108, DOI 10.1103/PhysRevLett.108.255004; Chen HT, 2003, APPL PHYS LETT, V83, P3009, DOI 10.1063/1.1616668; Clerici M, 2013, PHYS REV LETT, V110, DOI 10.1103/PhysRevLett.110.253901; Cook DJ, 2000, OPT LETT, V25, P1210, DOI 10.1364/OL.25.001210; D'Amico C, 2007, PHYS REV LETT, V98, DOI 10.1103/PhysRevLett.98.235002; Gallot G, 2000, J OPT SOC AM B, V17, P851, DOI 10.1364/JOSAB.17.000851; Gramotnev DK, 2010, NAT PHOTONICS, V4, P83, DOI 10.1038/nphoton.2009.282; Hoffmann MC, 2011, J PHYS D APPL PHYS, V44, DOI 10.1088/0022-3727/44/8/083001; Houard A, 2008, PHYS REV LETT, V100, DOI 10.1103/PhysRevLett.100.255006; Jeon TI, 2005, APPL PHYS LETT, V86, DOI 10.1063/1.1904718; Jeon TI, 2004, APPL PHYS LETT, V85, P6092, DOI 10.1063/1.1839645; Kampfrath T, 2013, NAT PHOTONICS, V7, P680, DOI [10.1038/nphoton.2013.184, 10.1038/NPHOTON.2013.184]; Kim KY, 2008, NAT PHOTONICS, V2, P605, DOI 10.1038/nphoton.2008.153; Kuk D, 2016, APPL PHYS LETT, V108, DOI 10.1063/1.4944843; Liu JL, 2010, NAT PHOTONICS, V4, P627, DOI [10.1038/nphoton.2010.165, 10.1038/NPHOTON.2010.165]; Mendis R, 2001, IEEE MICROW WIREL CO, V11, P444, DOI 10.1109/7260.966036; Oh TI, 2013, NEW J PHYS, V15, DOI 10.1088/1367-2630/15/7/075002; Pyayt AL, 2008, NAT NANOTECHNOL, V3, P660, DOI 10.1038/nnano.2008.281; Redo-Sanchez A, 2008, IEEE J SEL TOP QUANT, V14, P260, DOI 10.1109/JSTQE.2007.913959; Schaffer CB, 2001, MEAS SCI TECHNOL, V12, P1784, DOI 10.1088/0957-0233/12/11/305; Takahara J, 1997, OPT LETT, V22, P475, DOI 10.1364/OL.22.000475; Takahara J., 2008, PLASMONIC NANOGUIDES, P46; Tong LM, 2004, OPT EXPRESS, V12, P1025, DOI 10.1364/OPEX.12.001025; Tong LM, 2003, NATURE, V426, P816, DOI 10.1038/nature02193; Tonouchi M, 2007, NAT PHOTONICS, V1, P97, DOI 10.1038/nphoton.2007.3; Vicario C, 2014, OPT LETT, V39, P6632, DOI 10.1364/OL.39.006632; Wang KL, 2004, NATURE, V432, P376, DOI 10.1038/nature03040; Wang YP, 2014, J LIGHTWAVE TECHNOL, V32, P4233, DOI 10.1109/JLT.2014.2354696; You YS, 2012, PHYS REV LETT, V109, DOI 10.1103/PhysRevLett.109.183902; Zhang XC, 2002, PHYS MED BIOL, V47, P3667, DOI 10.1088/0031-9155/47/21/301; Zhang YZ, 2009, OPT LETT, V34, P2841, DOI 10.1364/OL.34.002841; Zhao JY, 2014, LASER PHYS LETT, V11, DOI 10.1088/1612-2011/11/9/095302; Zhao JY, 2014, SCI REP-UK, V4, DOI 10.1038/srep038803458260653122343ACS Photonics23382016spatial confinement; terahertz wave; ferntosecond laser; filamentationSUBWAVELENGTH-DIAMETER SILICA; GENERATION; PULSES; GUIDES; AIR; TECHNOLOGY; RESOLUTION; WIRESKACSHOTONCS216acshotoncs6b512In this paper, a new experimental phenomenon is demonstrated. During the femtosecond laser filamentation, the generated terahertz (THz) pulse has been found to be strongly confined inside the plasma channel, reaching a spatial diameter of a few tens of micrometers. It has been attributed to the formation of a plasma negative dielectric waveguide induced by the transverse inhomogeneous plasma density distribution. The new experimental phenomenon will renew the understanding of the THz wave generation and propagation dynamics during the femtosecond laser and air plasma interaction. Due to this strong spatial confinement, THz electric field strength could be enhanced by orders of magnitude, potentially providing a new approach to performing THz nonlinear optics with low laser energy.Strong Spatial Confinement of Terahertz Wave inside Femtosecond Laser Filament期刊论文EnglishZhao, Jiayu; Chu, Wei; Wang, Zhi; Peng, Yan; Gong, Cheng; Lin, Lie; Zhu, Yiming; Liu, Weiwei; Cheng, Ya; Zhuang, Songlin; Xu, Zhizhan WOS:000390731700021
外文题目: Strong Spatial Confinement of Terahertz Wave inside Femtosecond Laser Filament
作者: Zhao, Jiayu; Chu, Wei; Wang, Zhi; Peng, Yan; Gong, Cheng; Lin, Lie; Zhu, Yiming; Liu, Weiwei; Cheng, Ya; Zhuang, Songlin; Xu, Zhizhan
刊名: ACS Photonics
年: 2016 卷: 3 期: 12 页: 2338--2343
英文关键词:
spatial confinement; terahertz wave; ferntosecond laser; filamentation
SUBWAVELENGTH-DIAMETER SILICA; GENERATION; PULSES; GUIDES; AIR; TECHNOLOGY; RESOLUTION; WIRES
英文摘要:
文献类型: 期刊论文
正文语种: English
收录类别: SCI  
DOI: 10.1021/acsphotonics.6b00512
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