Integrated photonic structures for photon-mediated entanglement of trapped ions
arxiv(2024)
摘要
Trapped atomic ions are natural candidates for quantum information processing
and have the potential to realize or improve quantum computing, sensing, and
networking. These applications often require the collection of individual
photons emitted from ions into guided optical modes, in some cases for the
production of entanglement between separated ions. Proof-of-principle
demonstrations of such photon collection from trapped ions have been performed
using high-numerical-aperture lenses and single-mode fibers, but integrated
photonic elements in ion-trap structures offer advantages in scalability and
manufacturabilty over traditional optics. In this paper we analyze structures
monolithically fabricated with an ion trap for collecting single photons from
ions, coupling them into integrated waveguides, and manipulating them via
interference. We discuss practical considerations for realizing photon-mediated
entanglement between trapped ions using these waveguide-based devices.
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