Resolving and addressing atoms in individual sites of a CO2-laser optical lattice

Year: 2000

Authors: Scheunemann R., Cataliotti F.S., Hänsch T.W., Weitz M.

Autors Affiliation: Max-Planck-Inst. F. Quantenoptik, Hans-Kopfermann-Strasse 1, 85748 Garching, Germany; Sektion Physik, Universität München, Schellingsstrasse 4, 80799 München, Germany; Dipartimento di Fisica, Università di Firenze, Largo E. Fermi 2, I-50125 Firenze, Italy

Abstract: We report on the microscopic imaging of individual sites of an optical lattice with a period of 5.3 mum created by a retroreflected, focused CO2-laser beam. In this one-dimensional lattice, the Lamb-Dicke limit is fulfilled in all three spatial dimensions. Single lattice sites have been individually addressed with a focused near-resonant laser beam. Because of the negligible decoherence rate from spontaneous photon scattering such a lattice holds intriguing prospects for the realization of fault-tolerant quantum logic gates.

Journal/Review: PHYSICAL REVIEW A

Volume: 62 (5)      Pages from: 51801-1  to: 51801-4

KeyWords: Carbon dioxide lasers; Electric field effects; Electron scattering; Electron traps; Energy absorption; Laser optics; Microscopic examination; Polarization, Bose-Einstein condensation; Lamb-Dicke limit; Microscopic imaging; Optical cooling; Quantum logic, Crystal lattices
DOI: 10.1103/PhysRevA.62.051801

Citations: 58
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