By arranging atoms like a perfectly spaced army, scientists can force them to capture and release light as one single, giant quantum object.
April 14, 2026
Original Paper
Many-Body Super- and Subradiance in Ordered Atomic Arrays
arXiv · 2604.11795
The Takeaway
This turns a collection of individual atoms into a programmable, collective 'many-body' platform for controlling photons. It’s a first-ever demonstration of using atomic order to create a perfect mirror or memory for quantum light pulses.
From the abstract
When quantum emitters couple indistinguishably to light, they can synchronize into a collective light matter system with radiative properties profoundly different from those of independent particles. To date, the resulting collective effects have largely been confined to point like or homogeneous ensembles. Here, we open access to a qualitatively new collective regime by realizing geometrically ordered, spatially extended atom arrays with subwavelength spacing. This establishes a fundamentally n