Mirrorless lasing and cooperative scattering with cold atoms

Luwei Zhao, Shengwang Du, Xianxin Guo +1 more

Xianxin Guo, Yefeng Mei, Luwei Zhao +1 more

N. Piovella, Romain Bachelard, Padma Kant Shukla +3 more

Alexander Schilke, Claus Zimmermann, Ph. W. Courteille +1 more

William Guerin, Alexander Schilke, Ph. W. Courteille +1 more

There is currently a strong interest in mirrorless lasing systems, in which the electromagnetic feedback is provided either by disorder (multiple scattering in the gain medium) or by order (multiple Bragg reflection). These mechanisms correspond, respectively, to "random lasers" and "photonic crystal lasers" [1].

Aneesh Ramaswamy, Jabir Chathanathil, Dimitra Kanta +7 more

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.