Enhanced spatial resolution of terahertz spectroscopy via semiconductor photoexcitation

Daniel Krotkov; Eli Flaxer; Sharly Fleischer

doi:10.1364/OSAC.410063

Enhanced spatial resolution of terahertz spectroscopy via semiconductor photoexcitation

Daniel Krotkov, Eli Flaxer, Sharly Fleischer^*

^*Corresponding author for this work

School of Chemistry

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

2 Scopus citations

Abstract

We utilize the photoexcitation of a semiconductor material as a 'reflectivity switch' for a broadband terahertz field. We show that judicious use of this switch enables temporal characterization of the THz field with spatial resolution significantly surpassing the diffraction limit of the terahertz and provides desirable means for spatio-temporal terahertz spectroscopy.

Original language	English
Pages (from-to)	3365-3377
Number of pages	13
Journal	OSA Continuum
Volume	3
Issue number	12
DOIs	https://doi.org/10.1364/OSAC.410063
State	Published - 15 Dec 2020

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10.1364/OSAC.410063

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title = "Enhanced spatial resolution of terahertz spectroscopy via semiconductor photoexcitation",

abstract = "We utilize the photoexcitation of a semiconductor material as a 'reflectivity switch' for a broadband terahertz field. We show that judicious use of this switch enables temporal characterization of the THz field with spatial resolution significantly surpassing the diffraction limit of the terahertz and provides desirable means for spatio-temporal terahertz spectroscopy.",

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Enhanced spatial resolution of terahertz spectroscopy via semiconductor photoexcitation

Abstract

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