Control of Inhomogeneous Ensembles on The Bloch Sphere

Details Control of Inhomogeneous Ensembles on The Bloch Sphere Control of Inhomogeneous Ensembles on The Bloch Sphere

2012-03-31

arxiv.org/abs/1204.0061v1

Physics

Quantum Physics

10 Pages, 11 Figures

Scientific paper

Finding control fields (pulse sequences) that can compensate for the dispersion in the parameters governing the evolution of a quantum system is an important problem in coherent spectroscopy and quantum information processing. The use of composite pulses for compensating for dispersion in system dynamics is widely known and applied. In this paper, we introduce new pulse elements for correcting pulse errors. These design methods are analytical and can be used to prove arbitrarily good robust performance. Furthermore, the time-to-compensation is superior to existing Fourier Synthesis Methods which is critical for minimizing errors due to relaxation effects.

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