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SUMMARY:Quantum information processing with diamond - Professor Steven Pra
 wer (University of Melbourne)
DTSTART:20080414T143000Z
DTEND:20080414T153000Z
UID:TALK11328@talks.cam.ac.uk
CONTACT:6270
DESCRIPTION:Optically emitting defect centres in diamond display a range o
 f unique\nquantum properties that offer exciting possibilities for the\nco
 nstruction of quantum devices which employ optical single-spin\nread-out. 
 Indeed diamond is an ideal material for use in the fabrication\nof (i) sin
 gle photon sources for quantum communications\, (ii) optical\nfibre-based 
 single spin read out systems\, (iii) photonic platforms for\nthe investiga
 tion of quantum entanglement in solid state systems and\n(iv) optical rege
 nerators and non-linear quantum gates. The toolkit of\navailable fabricati
 on strategies which are used to engineer devices\ntaking advantage of thes
 e unique properties will be presented. As an\nexample of the realization o
 f diamond for QIP\, we report on the\nmanufacture of the first commerciall
 y available single photon source\nbased on diamond. \n\nThese crucial demo
 nstrations establish the feasibility of a defect\ntolerant architecture fo
 r the fabrication of a few (~10-50 ) qubit\ndiamond based quantum informat
 ion processor. We will present one such\npossible architecture and explain
  the specific role for ion beam\nprocessing in the creation of qubits and 
 the engineering of diamond\nphotonic devices.\n
LOCATION:HEP Seminar Room (980) Rutherford Building\, Cavendish Laboratory
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