We investigate the capability of dynamical decoupling techniques to reduce decoherence from a realistic environment generating noise. The predominance of low frequency modes in the noise profile allows for decoherence scenarios where relatively slow control rates suffice for a drastic improvement. However, the actual figure of merit is very sensitive to the details of the dynamics, with decoupling performance which may deteriorate for non-Gaussian noise and/or high frequency working points. Our results are promising for robust solid-state qubits and beyond.
- Received 18 September 2003
- Published 18 March 2004
© 2004 The American Physical Society