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arXiv:2308.07969 · Optical Memory and Neural Networks

Mirrorless Lasing: A Theoretical Perspective

Aneesh Ramaswamy, Jabir Chathanathil, Dimitra Kanta, Emmanuel Klinger, A. Papoyan, Svetlana Shmavonyan, Aleksandr Khanbekyan, Arne Wickenbrock, Dmitry Budker, Svetlana Malinovskaya

Published Dec 1, 2023• 7 citations
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Abstract

Mirrorless lasing has been a topic of particular interest for about a decade due to promising new horizons for quantum science and applications. In this work, we review first-principles theory that describes this phenomenon, and discuss degenerate mirrorless lasing in a vapor of Rb atoms, the mechanisms of amplification of light generated in the medium with population inversion between magnetic sublevels within the $${{D}_{2}}$$ line, and challenges associated with experimental realization.

DOI
10.3103/s1060992x23070172

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Mirrorless lasing has been a topic of particular interest for about a decade due to promising new horizons for quantum science and applications. In this work, we review first-principles theory that describes this phenomenon, and discuss degenerate mirrorless lasing in a vapor of Rb atoms, the mechanisms of amplification of light generated in the medium with population inversion between magnetic sublevels within the D2{{D}_{2}}D2​ line, and challenges associated with experimental realization.
This review paper is devoted to amplification and lasing without population inversion involving atomic transitions in gas media. We start by discussing the main motivation in inversionless lasing research, namely, the generation of short-wavelength laser light. Then, we review the basic physics of inversionless lasing in two-level and, eventually, in three- and multilevel atomic configurations. Finally, we summarize the current state of the art of LWI experiments and indicate the main difficulties with respect to short-wavelength laser generation.