Vector space-time wave packets
Murat Yessenov, Zhaozhong Chen, Martin P. J. Lavery, Ayman F., Abouraddy

TL;DR
This paper reports the synthesis of vector space-time wave packets with cylindrically symmetric polarization structures, enabling advanced control over their spatial, temporal, and polarization properties for applications in optics.
Contribution
It introduces the first experimental realization of vector space-time wave packets with complex polarization structures, expanding beyond scalar STWPs.
Findings
Successfully synthesized vector STWPs with polarization-structured spectra
Unveiled polarization distribution via time-resolved complex field measurements
Demonstrated potential applications in particle manipulation and quantum optics
Abstract
Space-time wave packets (STWPs) are propagation-invariant pulsed beams whose characteristics stem from the tight association between their spatial and temporal degrees of freedom. Until recently, only scalar STWPs have been synthesized in the form of light sheets. Here we synthesize vector STWPs that are localized in all dimensions by preparing polarization-structured spatio-temporal spectra and unveil the polarization distribution over the STWP volume via time-resolved complex field measurements. Such vector STWPs are endowed with cylindrically symmetric polarization vector structures, which require joint manipulation of the spatial, temporal, and polarization degrees-of-freedom of the optical field. These results may be useful in particle manipulation, and in nonlinear and quantum optics.
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Taxonomy
TopicsOrbital Angular Momentum in Optics · Advanced Fiber Laser Technologies · Photonic and Optical Devices
