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A protocol for storing and releasing a single photon in an embedded eigenstate — a quantum state that is virtually unaffected by loss and decoherence — could advance the development of quantum computers. Created by researchers at City University of New York (CUNY), the protocol could facilitate a new approach to capturing and preserving photons. The team’s calculations suggest that it is possible for a pair of photons to impinge on a cavity-atom coupled system, and that atomic nonlinearity would allow one photon to be perfectly trapped and preserved in the system while the other is reemitted.
The researchers theoretically explored the excitation and release of single-photon embedded eigenstates based on atomic…READ MORE