A M Stoneham et al 2003 J. Phys.: Condens. Matter 15 L447 doi:10.1088/0953-8984/15/27/102
A M Stoneham, A J Fisher and P T Greenland
Show affiliationsWe propose a new approach to constructing gates for quantum information processing, exploiting the properties of impurities in silicon. Quantum information, embodied in electron spins bound to deep donors, is coupled via optically induced electronic excitation. Gates are manipulated by magnetic fields and optical light pulses; individual gates are addressed by exploiting spatial and spectroscopic selectivity. Such quantum gates do not rely on small energy scales for operation, so might function at or near room temperature. We show the scheme can produce the classes of gates necessary to construct a universal quantum computer.
03.67.Lx Quantum computation architectures and implementations
85.30.De Semiconductor-device characterization, design, and modeling
Issue 27 (16 July 2003)
Received 19 June 2003
Published 27 June 2003
A M Stoneham et al 2003 J. Phys.: Condens. Matter 15 L447
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