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Hybridization of Atomic Orbitals II

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Related Experiment Video

Updated: Jul 8, 2025

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Orbital perspective on high-harmonic generation from solids.

Álvaro Jiménez-Galán^1,2,3, Chandler Bossaer^1,4, Guilmot Ernotte¹

¹Joint Attosecond Science Laboratory, National Research Council of Canada and University of Ottawa, Ottawa, ON, K1A 0R6, Canada.

Nature Communications

|December 18, 2023

Summary

This summary is machine-generated.

Researchers observed intensity-dependent anisotropy in high-harmonic generation from ReS2, revealing atomic contributions to lightwave electronics. This offers an atomic perspective for developing efficient harmonic emitters.

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Area of Science:

Solid-state physics
Attosecond science
Quantum optics

Background:

High-harmonic generation (HHG) in solids enables probing electron dynamics with femtosecond resolution.
Recent advances allow real-space imaging of valence electron potentials with picometer resolution.
Combining spatial and temporal resolutions is key for lightwave electronics.

Purpose of the Study:

Investigate the atomic origins of high-harmonic generation anisotropy in ReS2.
Understand how laser parameters influence atomic contributions to HHG.
Provide insights for developing efficient HHG emitters for lightwave electronics.

Main Methods:

Experimental measurement of high-harmonic generation from ReS2.
Analysis of intensity-dependent anisotropy.
Correlation of HHG emission with atomic contributions and laser parameters.

Main Results:

Observed strong intensity-dependent anisotropy in HHG from ReS2.
Attributed anisotropy to angle-dependent interference of currents from different atoms.
Demonstrated control over relative atomic contributions via laser parameters.

Conclusions:

The study provides an unprecedented atomic perspective on strong-field dynamics in crystals.
Identified key factors for developing efficient harmonic emitters.
Highlights the role of atomic interference in HHG for lightwave electronics.