Multimode Memories in Atomic Ensembles
arXiv:0807.1250 · doi:10.1103/PhysRevLett.101.260502
Abstract
The ability to store multiple optical modes in a quantum memory allows for increased efficiency of quantum communication and computation. Here we compute the multimode capacity of a variety of quantum memory protocols based on light storage in ensembles of atoms. We find that adding a controlled inhomogeneous broadening improves this capacity significantly.
Published version. Many thanks are due to Christoph Simon for his help and suggestions. (This acknowledgement is missing from the final draft: apologies!)
References in corpus (10)
- Experimental demonstration of quantum memory for light
- Photon storage in Lambda-type optically dense atomic media. II. Free-space model
- Mapping broadband single-photon wavepackets into an atomic memory
- Photon echoes generated by reversing magnetic field gradients in a rubidium vapour
- Holographic quantum computing
- Photon storage in Lambda-type optically dense atomic media. III. Effects of inhomogeneous broadening
- Photon storage in Lambda-type optically dense atomic media. IV. Optimal control using gradient ascent
- Protecting an optical qubit against photon loss
- Stimulated Raman process in a scattering medium in application to quantum memory scheme
- Scalable quantum computing with atomic ensembles