Quantum Communication with Phantom Photons
arXiv:quant-ph/9805003 · doi:10.1103/PhysRevA.59.2659
Abstract
We show that quantum information may be transferred between atoms in different locations by using ``phantom photons'': the atoms are coupled through electromagnetic fields, but the corresponding field modes do not have to be fully populated. In the case where atoms are placed inside optical cavities, errors in quantum information processing due to photon absorption inside the cavity are diminished in this way. This effect persists up to intercavity distances of about a meter for the current levels of cavity losses, and may be useful for distributed quantum computing.
6 pages RevTex, 4 eps figures included. Revised calculation with more details about mode structure calculation and the introduction of losses
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