TO-designed nanophotonic cavity (IMAGE) Optica Caption Nanophotonic cavity, of radius 𝑅 and height ℎ, inverse-designed with topology optimization, hosting a pair of quantum emitters. Credit Optica Publishing Group, Optica Quantum Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.