We show that it is in principle possible to teleport a superposed coherent state with the success probability and fidelity of nearly 100% using only linear optical means and an atom-filed interaction. A successful completion of the teleportation requires, however, photocounters that can distinguish between odd and even numbers of photons.
KEYWORDS: Photons, Signal detection, Holography, Scattering, Sensors, Signal processing, Two photon imaging, Quantum cryptography, Quantum computing, Quantum information
Principle of quantum holographic imaging is explained. While one of the entangled twin photons interacts with an object, the other one carries the holographic image of the object. While this scheme does not work for simple scattering objects, it works for absorbing objects with selective coincidence detection. Generalization of this scheme to state-transforming objects is also proposed.
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