Tailoring the spectra of terahertz emission from CdTe and ZnTe electro-optic crystals

Minwoo Yi; Kang Hee Lee; Inhee Maeng; Joo Hiuk Son; R. D. Averitt; Jaewook Ahn

doi:10.1143/JJAP.47.202

Tailoring the spectra of terahertz emission from CdTe and ZnTe electro-optic crystals

Minwoo Yi, Kang Hee Lee, Inhee Maeng, Joo Hiuk Son, R. D. Averitt, Jaewook Ahn

Department of Physics

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We compare the spectral amplitude of terahertz pulses generated using difference-frequency mixing, via the second-order nonlinear process in CdTe and ZnTe, with numerical model calculations using the nonlinear Maxwell equation. We have found that the spectral details of the generated terahertz pulses from CdTe are well explained by considering the effects of optical and terahertz absorptions, diffraction, and the frequency dependence of nonlinear coefficients. This method allows us to design tailored compound materials with improved versatility for generating specific terahertz pulse shapes.

Original language	English
Pages (from-to)	202-204
Number of pages	3
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	47
Issue number	1
DOIs	https://doi.org/10.1143/JJAP.47.202
State	Published - 18 Jan 2008

Keywords

CdTe
Phase matching
Pulse shapes
Terahertz
Zincblende
ZnTe

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AU - Lee, Kang Hee

AU - Maeng, Inhee

AU - Son, Joo Hiuk

AU - Averitt, R. D.

AU - Ahn, Jaewook

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AB - We compare the spectral amplitude of terahertz pulses generated using difference-frequency mixing, via the second-order nonlinear process in CdTe and ZnTe, with numerical model calculations using the nonlinear Maxwell equation. We have found that the spectral details of the generated terahertz pulses from CdTe are well explained by considering the effects of optical and terahertz absorptions, diffraction, and the frequency dependence of nonlinear coefficients. This method allows us to design tailored compound materials with improved versatility for generating specific terahertz pulse shapes.

KW - CdTe

KW - Phase matching

KW - Pulse shapes

KW - Terahertz

KW - Zincblende

KW - ZnTe

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Tailoring the spectra of terahertz emission from CdTe and ZnTe electro-optic crystals

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