Creation of Long-Term Coherent Optical Memory via Controlled Nonlinear Interactions in Bose-Einstein Condensates
Abstract
A Bose-Einstein condensate confined in an optical dipole trap is used to generate long-term coherent memory for light, and storage times of more than 1 s are observed. Phase coherence of the condensate as well as controlled manipulations of elastic and inelastic atomic scattering processes are utilized to increase the storage fidelity by several orders of magnitude over previous schemes. The results have important applications for creation of long-distance quantum networks and for generation of entangled states of light and matter.
- Publication:
-
Physical Review Letters
- Pub Date:
- December 2009
- DOI:
- 10.1103/PhysRevLett.103.233602
- arXiv:
- arXiv:0909.3203
- Bibcode:
- 2009PhRvL.103w3602Z
- Keywords:
-
- 42.50.Gy;
- 03.75.Mn;
- 03.75.Nt;
- 32.80.Qk;
- Effects of atomic coherence on propagation absorption and amplification of light;
- electromagnetically induced transparency and absorption;
- Multicomponent condensates;
- spinor condensates;
- Other Bose-Einstein condensation phenomena;
- Coherent control of atomic interactions with photons;
- Quantum Physics;
- Physics - Atomic Physics
- E-Print:
- published version of the paper