Spatio-temporal characterization of ultrashort vector pulses

Ultrafast vectorially polarized pulses have found many applications in information and energy transfer owing mainly to the presence of strong longitudinal components and their space-polarization non-separability. Due to their broad spectra, such pulses often exhibit space–time couplings, which signi...

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Autores principales:	Apostolos Zdagkas, Venkatram Nalla, Nikitas Papasimakis, Nikolay I. Zheludev
Formato:	article
Lenguaje:	EN
Publicado:	AIP Publishing LLC 2021
Materias:	Applied optics. Photonics TA1501-1820
Acceso en línea:	https://doaj.org/article/0f17bfad15244393a97126d19c8e3695
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id	oai:doaj.org-article:0f17bfad15244393a97126d19c8e3695
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spelling	oai:doaj.org-article:0f17bfad15244393a97126d19c8e36952021-12-01T18:51:31ZSpatio-temporal characterization of ultrashort vector pulses2378-096710.1063/5.0056066https://doaj.org/article/0f17bfad15244393a97126d19c8e36952021-11-01T00:00:00Zhttp://dx.doi.org/10.1063/5.0056066https://doaj.org/toc/2378-0967Ultrafast vectorially polarized pulses have found many applications in information and energy transfer owing mainly to the presence of strong longitudinal components and their space-polarization non-separability. Due to their broad spectra, such pulses often exhibit space–time couplings, which significantly affect the pulse propagation dynamics. Although such couplings usually result in reduced energy density at the focal spot, they have been utilized to demonstrate pulse shaping as in the case of a rotating or sliding wavefront as the pulse travels through its focal point. Here, we present a new method for the spatiotemporal characterization of ultrashort cylindrical vector pulses based on a combination of spatially resolved Fourier transform spectroscopy and Mach–Zehnder interferometry. The method provides access to spatially resolved spectral amplitudes and phases of all polarization components of the pulse. We demonstrate the capabilities of the method by completely characterizing a 10 fs radially polarized pulse from a Ti:sapphire laser centered at 800 nm.Apostolos ZdagkasVenkatram NallaNikitas PapasimakisNikolay I. ZheludevAIP Publishing LLCarticleApplied optics. PhotonicsTA1501-1820ENAPL Photonics, Vol 6, Iss 11, Pp 116103-116103-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Applied optics. Photonics TA1501-1820
spellingShingle	Applied optics. Photonics TA1501-1820 Apostolos Zdagkas Venkatram Nalla Nikitas Papasimakis Nikolay I. Zheludev Spatio-temporal characterization of ultrashort vector pulses
description	Ultrafast vectorially polarized pulses have found many applications in information and energy transfer owing mainly to the presence of strong longitudinal components and their space-polarization non-separability. Due to their broad spectra, such pulses often exhibit space–time couplings, which significantly affect the pulse propagation dynamics. Although such couplings usually result in reduced energy density at the focal spot, they have been utilized to demonstrate pulse shaping as in the case of a rotating or sliding wavefront as the pulse travels through its focal point. Here, we present a new method for the spatiotemporal characterization of ultrashort cylindrical vector pulses based on a combination of spatially resolved Fourier transform spectroscopy and Mach–Zehnder interferometry. The method provides access to spatially resolved spectral amplitudes and phases of all polarization components of the pulse. We demonstrate the capabilities of the method by completely characterizing a 10 fs radially polarized pulse from a Ti:sapphire laser centered at 800 nm.
format	article
author	Apostolos Zdagkas Venkatram Nalla Nikitas Papasimakis Nikolay I. Zheludev
author_facet	Apostolos Zdagkas Venkatram Nalla Nikitas Papasimakis Nikolay I. Zheludev
author_sort	Apostolos Zdagkas
title	Spatio-temporal characterization of ultrashort vector pulses
title_short	Spatio-temporal characterization of ultrashort vector pulses
title_full	Spatio-temporal characterization of ultrashort vector pulses
title_fullStr	Spatio-temporal characterization of ultrashort vector pulses
title_full_unstemmed	Spatio-temporal characterization of ultrashort vector pulses
title_sort	spatio-temporal characterization of ultrashort vector pulses
publisher	AIP Publishing LLC
publishDate	2021
url	https://doaj.org/article/0f17bfad15244393a97126d19c8e3695
work_keys_str_mv	AT apostoloszdagkas spatiotemporalcharacterizationofultrashortvectorpulses AT venkatramnalla spatiotemporalcharacterizationofultrashortvectorpulses AT nikitaspapasimakis spatiotemporalcharacterizationofultrashortvectorpulses AT nikolayizheludev spatiotemporalcharacterizationofultrashortvectorpulses
_version_	1718404674795601920

Spatio-temporal characterization of ultrashort vector pulses

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