Polarization-Shaped Strong Field Control over Valley Polarization with Mid-IR Light
Igor Tyulnev, Julita Poborska, \'Alvaro Jim\'enez-Gal\'an, Lenard, Vamos, Olga Smirnova, Mikhail Ivanov, Jens Biegert
TL;DR
This paper demonstrates how polarization-shaped mid-infrared light can be used to control valley polarization in MoS2, confirmed through high harmonic spectroscopy, advancing strong field control techniques.
Contribution
It introduces a novel method of controlling valley polarization using polarization-shaped mid-IR light and confirms the control via high harmonic spectroscopy.
Findings
Successful control of valley polarization with shaped mid-IR light
High harmonic spectroscopy confirms strong field control
Demonstrates a new approach for valleytronics applications
Abstract
We induce control over valley polarization with a polarization-shaped mid-infrared light field. The polarization state of the trefoil-shaped pump fields is measured by high harmonic spectroscopy, which we also use to confirm strong field control over non-resonant valley polarization in MoS.
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Taxonomy
TopicsOptical Network Technologies · Photonic and Optical Devices · Neural Networks and Reservoir Computing