Quantum Computing, Communication, and Simulation
Collective emission of rare-earth ion arrays in micro-resonators
Dongmin Pak, Arindam Nandi, Michael Titze, Edward S. Bielejec, Mahdi Hosseini
Abstract
The electromagnetic field from an ordered array of emitters can interfere giving rise to effective emitter-emitter interactions. We study the interaction of light with an array of thulium ions in microring lithium niobate resonators. We show that rare-earth ions arranged into an ordered array can collectively emit light into the micro-resonator. We achieve this via deterministic implantation of ions into the nanofabricated lithium niobate on insulator micro-ring resonators. We show that at cryogenic temperatures, both Purcell enhancement and cooperative enhancement of light emission can be observed in these structures.