Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry-Perot cavity

Kobel, Pascal; Breyer, Moritz; Köhl, Michael

doi:10.48550/arxiv.2005.09124

Cited by 1 publication

(2 citation statements)

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“…So far, open microcavities have been coupled to a multitude of quantum systems including atoms [224], ions [82,225], molecules [80,226], quantum dots [227], rare earth ions [228], optomechanical systems [229], and color centers in both nanodiamonds [108][109][110][111][112]126] and diamond membranes [128,[230][231][232].…”

Section: Open Fabry-perot Microcavitiesmentioning

confidence: 99%

“…A wide variety of physical platforms for realizing cQED are currently being explored, aimed at achieving interaction rates between the quantum emitter and cavity mode that exceed relevant losses. Cavity-enhanced interfaces between optical photons and individual quantum emitters began with neutral atoms [25] and quickly expanded to other systems including quantum dots [79], molecules [80], and trapped ions [81,82]. In particular, there has been a recent interest in cavity coupling to atomic-like solidstate systems [83,84], most notably defects in diamond [85][86][87], but also rare-earth ions [88,89], defects in silicon carbide [90], and potentially others [91].…”

Section: Introductionmentioning

confidence: 99%

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Cavity quantum electrodynamics with color centers in diamond

Janitz

Bhaskar

Childress

2020

Optica

115

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Coherent interfaces between optical photons and long-lived matter qubits form a key resource for a broad range of quantum technologies. Cavity quantum electrodynamics (cQED) offers a route to achieve such an interface by enhancing interactions between cavity-confined photons and individual emitters. Over the last two decades, a promising new class of emitters based on defect centers in diamond have emerged, combining long spin coherence times with atom-like optical transitions. More recently, advances in optical resonator technologies have made it feasible to realize cQED in diamond. This article reviews progress towards coupling color centers in diamond to optical resonators, focusing on approaches compatible with quantum networks. We consider the challenges for cQED with solid-state emitters and introduce the relevant properties of diamond defect centers before examining two qualitatively different resonator designs: micron-scale Fabry-Perot cavities and diamond nanophotonic cavities. For each approach, we examine the underlying theory and fabrication, discuss strengths and outstanding challenges, and highlight state-of-the-art experiments.

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