Quantum Electrodynamics of Intense Laser-Matter Interactions: A Tool for Quantum State Engineering

Philipp Stammer*, Javier Rivera-Dean, Andrew Maxwell, Theocharis Lamprou, Andrés Ordóñez, Marcelo F. Ciappina, Paraskevas Tzallas, Maciej Lewenstein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Intense laser-matter interactions are at the center of interest in research and technology since the development of high-power lasers. They have been widely used for fundamental studies in atomic, molecular, and optical physics, and they are at the core of attosecond physics and ultrafast optoelectronics. Although the majority of these studies have been successfully described using classical electromagnetic fields, recent investigations based on fully quantized approaches have shown that intense laser-atom interactions can be used for the generation of controllable high-photon-number entangled coherent states and coherent state superpositions. In this tutorial, we provide a comprehensive fully quantized description of intense laser-atom interactions. We elaborate on the processes of high-harmonic generation, above-threshold ionization, and we discuss new phenomena that cannot be revealed within the context of semiclassical theories. We provide the description for conditioning the light field on different electronic processes, and their consequences for quantum state engineering of light. Finally, we discuss the extension of the approach to more complex materials, and the impact to quantum technologies for a new photonic platform composed of the symbiosis of attosecond physics and quantum information science.

Original languageEnglish
Article number010201
JournalPRX Quantum
Issue number1
StatePublished - Jan 2023


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