Generation of non-classical and entangled light states using intense laser-matter interactions

• URL: http://arxiv.org/abs/2410.17452v1
• Date: Tue, 22 Oct 2024 22:00:43 GMT
• Title: Generation of non-classical and entangled light states using intense laser-matter interactions
• Authors: Th. Lamprou, P. Stammer, J. Rivera-Dean, N. Tsatrafyllis, M. F. Ciappina, M. Lewenstein, P. Tzallas,
• Abstract summary: Non-classical and entangled light states are of fundamental interest in quantum mechanics. We show how the use of fully quantized approaches in intense laser-matter interactions can lead to the generation high photon-number non-classical states. We discuss the future directions of non-classical light engineering using strong laser fields, and the potential applications in ultrafast and quantum information science.
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• Abstract: Non-classical and entangled light states are of fundamental interest in quantum mechanics and they are a powerful tool for the emergence of new quantum technologies. The development of methods that can lead to the generation of such light states is therefore of high importance. Recently, we have demonstrated that intense laser-matter interactions can serve towards this direction. Specifically, we have shown how the use of fully quantized approaches in intense laser-matter interactions and the process of high harmonic generation, can lead to the generation high photon-number non-classical (optical Schr\"{o}dinger's "cat" or squeezed) and entangled states from the far-infrared (IR) to the extreme-ultraviolet (XUV). Here, after a brief introduction on the fundamentals, we summarize the operation principles of these approaches and we discuss the future directions of non-classical light engineering using strong laser fields, and the potential applications in ultrafast and quantum information science. Our findings open the way to a novel quantum nonlinear spectroscopy method, based on the interplay between the quantum properties of light with that of quantum matter.

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