New journal of physics, 2020-10, Vol.22 (10), p.103013
2020
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Details
- Autor(en) / Beteiligte
- Titel
- Polarization-gradient cooling of 1D and 2D ion Coulomb crystals
- Ist Teil von
- New journal of physics, 2020-10, Vol.22 (10), p.103013
- Ort / Verlag
- Bristol: IOP Publishing
- Erscheinungsjahr
- 2020
- Quelle
- Free E-Journal (出版社公開部分のみ）
- Beschreibungen/Notizen
- We present experiments on polarization gradient cooling of Ca+ multi-ion Coulomb crystals in a linear Paul trap. Polarization gradient cooling of the collective modes of motion whose eigenvectors have overlap with the symmetry axis of the trap is achieved by two counter-propagating laser beams with mutually orthogonal linear polarizations that are blue-detuned from the S1/2 ↔ P1/2 transition. We demonstrate cooling of linear chains of up to 51 ions and 2D-crystals in zig-zag configuration with 22 ions. The cooling results are compared with numerical simulations and the predictions of a simple model of cooling in a moving polarization gradient.
- Sprache
- Englisch
- Identifikatoren
- ISSN: 1367-2630eISSN: 1367-2630DOI: 10.1088/1367-2630/abb912Titel-ID: cdi_hal_primary_oai_HAL_hal_02987242v1
- Format
- –
- Schlagworte
- Cooling, Crystals, Eigenvectors, ion crystals, Laser beams, laser cooling, Mathematical models, Physics, Polarization, polarization gradient cooling, quantum simulation, trapped ions