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The scaling of lasers and in-particular of surface emitting lasers is a multi-decade long question that has been investigated since the invention of lasers. It is an important question with numerous applications. In the first part of this talk, I will briefly discuss my invention of topological lasers: integrable non-reciprocal coherent light sources as well as compact bound state in continuum sources. In the second part of the talk, I will discuss an infinitely scalable aperture that solves the optics challenge of single apertures scaling. I will discuss the physics of the invention that I named Berkeley Surface Emitting Laser (BerkSEL).
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