Terahertz ﬁeld enhancement to the MV/cm regime in a tapered parallel plate waveguide

Krzysztof Iwaszczuk; Andrei Andryieuski; Andrei Lavrinenko; X.-C.  Zhang; Peter Uhd Jepsen

doi:10.1364/OE.20.008344

Terahertz ﬁeld enhancement to the MV/cm regime in a tapered parallel plate waveguide

Krzysztof Iwaszczuk, Andrei Andryieuski, Andrei Lavrinenko, X.-C. Zhang, Peter Uhd Jepsen

University of Rochester

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Abstract

We investigate field enhancement properties of a tapered parallel plate waveguide for ultrashort terahertz (THz) pulses. We use two independent methods, air biased coherent detection inside the waveguide and free-space electro-optic sampling, respectively, which enables a calibrated, quantitative measurement of the field strength at the output of the waveguide. Field enhancement factors greater than 20 are demonstrated and record-high field strengths of > 1.4 MV/cm are reached. We find an excellent agreement between the two independent methods of field measurement and a numerical 3D full-vectorial time-domain simulations.

Original language	English
Journal	Optics Express
Volume	20
Issue number	8
Pages (from-to)	8344-8355
ISSN	1094-4087
DOIs	https://doi.org/10.1364/OE.20.008344
Publication status	Published - 2012

Bibliographical note

This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-8-8344. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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title = "Terahertz ﬁeld enhancement to the MV/cm regime in a tapered parallel plate waveguide",

abstract = "We investigate field enhancement properties of a tapered parallel plate waveguide for ultrashort terahertz (THz) pulses. We use two independent methods, air biased coherent detection inside the waveguide and free-space electro-optic sampling, respectively, which enables a calibrated, quantitative measurement of the field strength at the output of the waveguide. Field enhancement factors greater than 20 are demonstrated and record-high field strengths of > 1.4 MV/cm are reached. We find an excellent agreement between the two independent methods of field measurement and a numerical 3D full-vectorial time-domain simulations.",

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AU - Iwaszczuk, Krzysztof

AU - Andryieuski, Andrei

AU - Lavrinenko, Andrei

AU - Zhang, X.-C.

AU - Jepsen, Peter Uhd

N1 - This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-8-8344. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

PY - 2012

Y1 - 2012

N2 - We investigate field enhancement properties of a tapered parallel plate waveguide for ultrashort terahertz (THz) pulses. We use two independent methods, air biased coherent detection inside the waveguide and free-space electro-optic sampling, respectively, which enables a calibrated, quantitative measurement of the field strength at the output of the waveguide. Field enhancement factors greater than 20 are demonstrated and record-high field strengths of > 1.4 MV/cm are reached. We find an excellent agreement between the two independent methods of field measurement and a numerical 3D full-vectorial time-domain simulations.

AB - We investigate field enhancement properties of a tapered parallel plate waveguide for ultrashort terahertz (THz) pulses. We use two independent methods, air biased coherent detection inside the waveguide and free-space electro-optic sampling, respectively, which enables a calibrated, quantitative measurement of the field strength at the output of the waveguide. Field enhancement factors greater than 20 are demonstrated and record-high field strengths of > 1.4 MV/cm are reached. We find an excellent agreement between the two independent methods of field measurement and a numerical 3D full-vectorial time-domain simulations.

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DO - 10.1364/OE.20.008344

M3 - Journal article

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EP - 8355

JO - Optics Express

JF - Optics Express

IS - 8

ER -

Terahertz ﬁeld enhancement to the MV/cm regime in a tapered parallel plate waveguide

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