Terahertz waveforms manipulation by two orthogonal-polarized femtosecond pulses

De Hua Li; Jian Jun Ma; Wei Zhou; Sheng Gang Liu

doi:10.1088/0256-307X/28/6/064205

Terahertz waveforms manipulation by two orthogonal-polarized femtosecond pulses

De Hua Li^*, Jian Jun Ma, Wei Zhou, Sheng Gang Liu

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

We present a method of terahertz generation in which both the amplitude and polarity of the terahertz pulse can be manipulated. A pair of temporally separated and orthogonally polarized collinear propagating femtosecond pulses with the same central frequencies are focused onto a (110) oriented ZnTe crystal. By adjusting the relative time delay between the pulses, the amplitude and polarity of the generated terahertz pulse based on difference frequency generation can be controlled. Theoretical derivation and simulation based on the one-dimensional propagation equation of the terahertz wave are carried out under simplified conditions of perfect phase matching, plane-wave approximation and no absorption.

Original language	English
Article number	064205
Journal	Chinese Physics Letters
Volume	28
Issue number	6
DOIs	https://doi.org/10.1088/0256-307X/28/6/064205
Publication status	Published - Jun 2011
Externally published	Yes

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abstract = "We present a method of terahertz generation in which both the amplitude and polarity of the terahertz pulse can be manipulated. A pair of temporally separated and orthogonally polarized collinear propagating femtosecond pulses with the same central frequencies are focused onto a (110) oriented ZnTe crystal. By adjusting the relative time delay between the pulses, the amplitude and polarity of the generated terahertz pulse based on difference frequency generation can be controlled. Theoretical derivation and simulation based on the one-dimensional propagation equation of the terahertz wave are carried out under simplified conditions of perfect phase matching, plane-wave approximation and no absorption.",

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AU - Zhou, Wei

AU - Liu, Sheng Gang

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N2 - We present a method of terahertz generation in which both the amplitude and polarity of the terahertz pulse can be manipulated. A pair of temporally separated and orthogonally polarized collinear propagating femtosecond pulses with the same central frequencies are focused onto a (110) oriented ZnTe crystal. By adjusting the relative time delay between the pulses, the amplitude and polarity of the generated terahertz pulse based on difference frequency generation can be controlled. Theoretical derivation and simulation based on the one-dimensional propagation equation of the terahertz wave are carried out under simplified conditions of perfect phase matching, plane-wave approximation and no absorption.

AB - We present a method of terahertz generation in which both the amplitude and polarity of the terahertz pulse can be manipulated. A pair of temporally separated and orthogonally polarized collinear propagating femtosecond pulses with the same central frequencies are focused onto a (110) oriented ZnTe crystal. By adjusting the relative time delay between the pulses, the amplitude and polarity of the generated terahertz pulse based on difference frequency generation can be controlled. Theoretical derivation and simulation based on the one-dimensional propagation equation of the terahertz wave are carried out under simplified conditions of perfect phase matching, plane-wave approximation and no absorption.

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VL - 28

JO - Chinese Physics Letters

JF - Chinese Physics Letters

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ER -

Terahertz waveforms manipulation by two orthogonal-polarized femtosecond pulses

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