Long-range cooperative resonances in rare-earth ion arrays inside photonic resonators

Author:

Pak Dongmin,Nandi ArindamORCID,Titze Michael,Bielejec Edward S.,Alaeian Hadiseh,Hosseini MahdiORCID

Abstract

AbstractEngineering arrays of active optical centers to control the interaction Hamiltonian between light and matter has been the subject of intense research recently. Collective interaction of atomic arrays with optical photons can give rise to directionally enhanced absorption or emission, which enables engineering of broadband and strong atom-photon interfaces. Here, we report on the observation of long-range cooperative resonances in an array of rare-earth ions controllably implanted into a solid-state lithium niobate micro-ring resonator. We show that cooperative effects can be observed in an ordered ion array extended far beyond the light’s wavelength. We observe enhanced emission from both cavity-induced Purcell enhancement and array-induced collective resonances at cryogenic temperatures. Engineering collective resonances as a paradigm for enhanced light-matter interactions can enable suppression of free-space spontaneous emission. The multi-functionality of lithium niobate hosting rare-earth ions can open possibilities of quantum photonic device engineering for scalable and multiplexed quantum networks.

Funder

National Science Foundation

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy

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