Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154948
Title: Spatio-temporal characterization of ultrashort vector pulses
Authors: Zdagkas, Apostolos
Nalla, Venkatram
Papasimakis, Nikitas
Zheludev, Nikolay I.
Keywords: Science::Physics
Issue Date: 2021
Source: Zdagkas, A., Nalla, V., Papasimakis, N. & Zheludev, N. I. (2021). Spatio-temporal characterization of ultrashort vector pulses. APL Photonics, 6(11), 116103-. https://dx.doi.org/10.1063/5.0056066
Project: MOE2016-T3-1-006
Journal: APL Photonics
Abstract: 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.
URI: https://hdl.handle.net/10356/154948
ISSN: 2378-0967
DOI: 10.1063/5.0056066
Rights: © 2021 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). https://doi.org/10.1063/5.0056066
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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