Cavity QED with atomic mirrors

By Darrick E. Chang, Liang Jiang, Alexey V. Gorshkov, H. Jeff Kimble. 2012

257 citations recorded by the source corpus.

A promising approach to merge atomic systems with scalable photonics has emerged recently, which consists of trapping cold atoms near tapered nanofibers. Here, we describe a novel technique to achieve strong, coherent coupling between a single atom and photon in such a system. Our approach makes use of collective enhancement effects, which allow a lattice of atoms to form a high-finesse cavity within the fiber. We show that a specially designated ‘impurity’ atom within the cavity can experience strongly enhanced interactions with single photons in the fiber. Under realistic conditions, a ‘strong coupling’ regime can be reached, wherein it becomes feasible to observe vacuum Rabi oscillations between the excited impurity atom and a single cavity quantum. This technique can form the basis for a scalable quantum information network using atom–nanofiber systems.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/6e73040d6af277223b5350c395ba1680a103bad9

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Citations in the corpus

Exponential Improvement in Photon Storage Fidelities Using Subradiance and “Selective Radiance” in Atomic Arrays (2017, methodology): “, d 1⁄4 λ1D=2 or integer multiples thereof [51], would display qualitatively similar optical properties.”
Resonance Energy Transfer: From Fundamental Theory to Recent Applications (2019, background): “Early application s of cQED revealed an understanding of the 731 fundamental light-matter interactions in atoms, qua nt m dots and similar materials [247-252].”
Subradiant states of quantum bits coupled to a one-dimensional waveguide (2018, background): “ted with collective eects in waveguide QED has attracted growing interest, and there have been a number of proposals that implicitly exploit sub- and super-radiant emission to realize atomic mirrors [19], photon Fock state synthesis [20], or quantum computation [21,22]. The fundamental properties of”
Atom-light interactions in quasi-one-dimensional nanostructures: A Green's-function perspective (2016, unknown): “(3b)], which is proportional to Im{gij} = (Γ1D/2) cos kp(xi − xj) [24, 56].”
Giant acoustic atom: A single quantum system with a deterministic time delay (2016, background): “However, it is different from both the cavities used for optical photons in cavity quantum electrodynamics (QED) and the transmission line resonators used for microwave photons in circuit QED, as well as from the effective cavities for single photons that can be formed by several small atoms in an o”
Quantum Electrodynamics in a Topological Waveguide (2020, background): “qubits at positions xi and xj along the waveguide take the forms Jij ∝ sinφij and Γij ∝ cosφij [37, 38], where φij = k|xi − xj | is the phase length.”
Dynamics of Many-Body Photon Bound States in Chiral Waveguide QED (2019, background): “(S84) coincides with the standard waveguide QED master equation [56, 57] where both coherent and dissipative interactions between the emitters occur depending on the atoms position.”
Microwave photonics with superconducting quantum circuits (2017, background): “atoms as mirrors [685], or by using two surrounding ensembles of atoms to form Bragg mirrors [675, 691].”
Quantum matter built from nanoscopic lattices of atoms and photons (2018, methodology): “Ideally, the fraction of light that is not reflected scales as ≈2Γ0=NaΓ1D, indicating that the atomic array acts as a nearly perfect mirror (Chang et al., 2012; Le Kien and Rauschenbeutel, 2014).”
Circuit quantum electrodynamics (2020, methodology): “Finally, following a proposal by Chang et al. (2012), an experiment by Mirhosseini et al. (2019) used a pair of transmon qubits to act as an effective cavity for a third transmon qubit, all qubits being coupled to the same waveguide.”
Colloquium: Strongly interacting photons in one-dimensional continuum (2016, background): “While most have been within the standard Markovian approximation (Caneva et al., 2015; Chang et al., 2012; Dzsotjan et al., 2010; Roy, 2013a; Yudson and Reineker, 2008), others have looked for distinctly non-Markovian effects (Laakso and Pletyukhov, 2014; Zheng and Baranger, 2013).”