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COLOQUIOS DEL DEPARTAMENTO DE FÍSICA FCEYN - UBA<br>
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<a href="http://www.df.uba.ar" target="_blank">http://www.df.uba.ar</a><br>
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Charlas, café y masitas<br>
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En el Aula Seminario, 2do piso, Pabellón I, Ciudad Universitaria<br>
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Jueves 22/11, 14hs:<br>
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<a href="http://www.df.uba.ar/index.php?option=com_content&view=article&id=6683:quantum-information-processing-with-atomic-and-photonic-qubits-using-rydberg-blockade&catid=7:novedades&Itemid=101" style="margin: 0px; padding: 0px; color: rgb(12, 124, 136); font-weight: bold; font-size: 18px; text-decoration: initial; font-family: arial, helvetica, sans-serif; background-color: rgb(255, 255, 255);">Quantum Information Processing with Atomic and Photonic Qubits using Rydberg Blockade</a><br>
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PHILIPPE GRANGIER<br>
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Laboratoire Charles Fabry, Institute d'Optique, CNRS, France<br>
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<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">Interactions between Rydberg atoms, known as "Rydberg blockade", have been</span><br style="padding: 0px; margin: 0px; color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">
<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">recognized as a very efficient tool for manipulating atomic or photonic</span><br style="padding: 0px; margin: 0px; color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">
<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">qubits. We will present several recent results in this field, related to</span><br style="padding: 0px; margin: 0px; color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">
<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">either the entanglement of two atomic qubits, or to the possible</span><br style="padding: 0px; margin: 0px; color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">
<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">realization of non-linear optical effects that are large enough to induce</span><br style="padding: 0px; margin: 0px; color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">
<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">photon-photon interactions. Such effects would be a signicant step forward</span><br style="padding: 0px; margin: 0px; color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">
<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">for quantum information processing and communications, and could enable the</span><br style="padding: 0px; margin: 0px; color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">
<span style="color: rgb(51, 51, 51); font-family: Menlo, Consolas, 'Lucida Console', 'DejaVu Sans Mono', monospace; font-size: 12.222222328186035px; background-color: rgb(255, 255, 255);">implementation of a two-photon phase gate.</span><br>
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