Abstract:
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Quantum networks using light as a carrier of quantum information between remote quantum nodes and deterministic quantum operations within the nodes could enable distributed and scalable processing of quantum information and quantum communication. I present a series of experiments that remotely link multiple trapped atomic ions through the interference and coincidence detection of photons emitted by each ion. This includes the implementation of a probabilistic gate between the hyperfine clock states of two ytterbium ions separated by about 1 meter, and its application to the teleportation of quantum information between remote atomic ions. I also describe the use of an optical frequency comb for coherent control and deterministic entanglement of atomic ions confined in the same ion trap.

Short Bio:
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Prof. Dzmitry Matsukevich is Principal Investigator at the Centre for Quantum Technologies & Department of Physics, National University of Singapore