Nanophotonic Optical Isolator Controlled by the Internal State of Cold Atoms

Sayrin, C.; Junge, Christian; Mitsch, R.; Albrecht, B.; O’Shea, Danny; Schneeweiß, Philipp; Volz, Jürgen; Rauschenbeutel, Arno

doi:10.1103/physrevx.5.041036

Cited by 266 publications

(249 citation statements)

References 41 publications

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“…Fig. 7c, or a single atom coupled to a whispering-gallery-mode microresonator [51]. In both cases, the isolators were operated in a dissipative regime leading to decoherence, and they essentially behaved as classical devices.…”

Section: Elementary Devices Based On Chiral-light Matter Interactionmentioning

confidence: 99%

Chiral quantum optics

Lodahl¹,

Mahmoodian²,

Stobbe³

et al. 2017

Nature

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1,282

1,178

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At the most fundamental level, the interaction between light and matter is manifested by the emission and absorption of single photons by single quantum emitters. Controlling light-matter interaction is the basis for diverse applications ranging from light technology to quantum-information processing. Many of these applications are nowadays based on photonic nanostructures strongly benefitting from their scalability and integrability. The confinement of light in such nanostructures imposes an inherent link between the local polarization and propagation direction of light. This leads to chiral light-matter interaction, i.e., the emission and absorption of photons depend on the propagation direction and local polarization of light as well as the polarization of the emitter transition. The burgeoning research field of chiral quantum optics offers fundamentally new functionalities and applications both for single emitters and ensembles thereof. For instance, a chiral light-matter interface enables the realization of integrated non-reciprocal single-photon devices and deterministic spin-photon interfaces. Moreover, engineering directional photonic reservoirs opens new avenues for constructing complex quantum circuits and networks, which may be applied to simulate a new class of quantum many-body systems.

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Section: Elementary Devices Based On Chiral-light Matter Interactionmentioning

confidence: 99%

Chiral quantum optics

Lodahl¹,

Mahmoodian²,

Stobbe³

et al. 2017

Nature

Self Cite

1,282

1,178

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“…1, attention is chiefly being given to isotropic topological insulators, although the fabrication of anisotropic topological insulators appears possible. The exploitation of left/right asymmetry theoretically shown here to be possible with anisotropic topological insulators is promising for one-way optical devices, which could reduce backscattering noise 21 in optical communication networks, microscopy, and tomography, for example. But high magnitudes of η 0γ ∕α would be needed for practical implementation.…”

Section: 18mentioning

confidence: 84%

Left/right asymmetry in reflection and transmission by a planar anisotropic dielectric slab with topologically insulating surface states

Lakhtakia

Mackay

2016

J. Nanophoton

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Akhlesh Lakhtakia, Tom G. Mackay, "Left/right asymmetry in reflection and transmission by a planar anisotropic dielectric slab with topologically insulating surface states," J. Nanophoton. 10(2), 020501 (2016), doi: 10.1117/1.JNP.10.020501. Abstract. The reflection and transmission of plane waves by a homogeneous anisotropic dielectric slab-as represented by a columnar thin film-with topologically insulating surface states was theoretically investigated. Copolarized and cross-polarized reflectances and transmittances were calculated by solving the associated boundary-value problem. Numerical calculations revealed that all four reflectances and all four transmittances were asymmetric with respect to reversal of projection of the propagation direction of the incident plane wave on the illuminated surface of the slab. This left/right reflection and transmission asymmetry arises due to the combined effects of the slab's anisotropy and surface states. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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“…They achieve directionality of the scattering process up to 94% of the in-coupled light into a given direction. Sayrin et al (2015b) realize a nanophotonic optical isolator with high optical isolation at the single-photon level. The direction of the resulting optical isolator is controlled by the spin state of cold Cs atoms.…”

Section: Chirality In Onf Systemsmentioning

confidence: 99%

Optical Nanofibers

Solano

Grover

Hoffman

et al. 2017

Advances in Atomic, Molecular, and Optical Physics

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The development of optical nanofibers (ONF) and the study and control of their optical properties when coupling atoms to their electromagnetic modes has opened new possibilities for their use in quantum optics and quantum information science. These ONFs offer tight optical mode confinement (less than the wavelength of light) and diffraction-free propagation. The small cross section of the transverse field allows probing of linear and non-linear spectroscopic features of atoms with exquisitely low power. The cooperativity -the figure of merit in many quantum optics and quantum information systems -tends to be large even for a single atom in the mode of an ONF, as it is proportional to the ratio of the atomic cross section to the electromagnetic mode cross section. ONFs offer a natural bus for information and for inter-atomic coupling through the tightly-confined modes, which opens the possibility of one-dimensional many-body physics and interesting quantum interconnection applications. The presence of the ONF modifies the vacuum field, affecting the spontaneous emission rates of atoms in its vicinity. The high gradients in the radial intensity naturally provide the potential for trapping atoms around the ONF, allowing the creation of onedimensional arrays of atoms. The same radial gradient in the transverse direction of the field is responsible for the existence of a large longitudinal component that introduces the possibility of spin-orbit coupling of the light and the atom, enabling the exploration of chiral quantum optics.

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Nanophotonic Optical Isolator Controlled by the Internal State of Cold Atoms

Cited by 266 publications

References 41 publications

Chiral quantum optics

Chiral quantum optics

Left/right asymmetry in reflection and transmission by a planar anisotropic dielectric slab with topologically insulating surface states

Optical Nanofibers

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