Electro-optic characterization of synthesized infrared-visible light fields

Enrico Ridente, Mikhail Mamaikin, Najd Altwaijry, Dmitry Zimin, Matthias F. Kling, Vladimir Pervak, Matthew Weidman, Ferenc Krausz and Nicholas Karpowicz ()
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Enrico Ridente: Max-Planck-Institut für Quantenoptik
Mikhail Mamaikin: Max-Planck-Institut für Quantenoptik
Najd Altwaijry: Max-Planck-Institut für Quantenoptik
Dmitry Zimin: Max-Planck-Institut für Quantenoptik
Matthias F. Kling: Max-Planck-Institut für Quantenoptik
Vladimir Pervak: Max-Planck-Institut für Quantenoptik
Matthew Weidman: Max-Planck-Institut für Quantenoptik
Ferenc Krausz: Max-Planck-Institut für Quantenoptik
Nicholas Karpowicz: Max-Planck-Institut für Quantenoptik

Nature Communications, 2022, vol. 13, issue 1, 1-7

Abstract: Abstract The measurement and control of light field oscillations enable the study of ultrafast phenomena on sub-cycle time scales. Electro-optic sampling (EOS) is a powerful field characterization approach, in terms of both sensitivity and dynamic range, but it has not reached beyond infrared frequencies. Here, we show the synthesis of a sub-cycle infrared-visible pulse and subsequent complete electric field characterization using EOS. The sampled bandwidth spans from 700 nm to 2700 nm (428 to 110 THz). Tailored electric-field waveforms are generated with a two-channel field synthesizer in the infrared-visible range, with a full-width at half-maximum duration as short as 3.8 fs at a central wavelength of 1.7 µm (176 THz). EOS detection of the complete bandwidth of these waveforms extends it into the visible spectral range. To demonstrate the power of our approach, we use the sub-cycle transients to inject carriers in a thin quartz sample for nonlinear photoconductive field sampling with sub-femtosecond resolution.

Date: 2022
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DOI: 10.1038/s41467-022-28699-6

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