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The group has a long history in high resolution solid state laser spectroscopy, contributing to
understanding the physics of color centres and development of laser
stabilisation and spectroscopic techniques.
Current research investigates Quantum Information Processing using
optical manipulation of nuclear and electron spin systems
in solid state hosts. The materials of particular interest are
rare-earth doped insulators and the N-V centre in diamond.
Quantum Information Processing investigations use
Raman processes to optically manipulate the spin state of the chosen
system. Optical manipulation and detection results in significant
advantages when compared to conventional NMR, important for many of
the breakthroughs achieved by the group. Of particular note, the
group demonstrated the first solid state 2 qubit logic gate and
developed techniques to realise the longest nuclear spin decoherence
times achieved in solid state systems. This has allowed significantly
longer and higher fidelity quantum memory demonstrations than
previously possible. Current research directions are:
- Quantum logic gate
- Ion-ion stark interaction
- Multi qubit scaling
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Qubit decoherence minimisation
- Static magnetic field techniques
- Dynamic Decoherence Control
- Quantum memories
- EIT or Slow light
- Controlled inhomogeneous broadening Echo
- Single qubit detection
- Confocal microscopy
- Single Photon Source
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