Empirical Determination of Bang-Bang Operations

Details Empirical Determination of Bang-Bang Operations Empirical Determination of Bang-Bang Operations

2002-05-24

arxiv.org/abs/quant-ph/0205156v1

Phys. Rev. A 67, 012324 (2003)

Physics

Quantum Physics

14 pages, 2 eps figures, ReVTeX4 two-column

Scientific paper

10.1103/PhysRevA.67.012324

Strong and fast "bang-bang" (BB) pulses have been recently proposed as a means for reducing decoherence in a quantum system. So far theoretical analysis of the BB technique relied on model Hamiltonians. Here we introduce a method for empirically determining the set of required BB pulses, that relies on quantum process tomography. In this manner an experimenter may tailor his or her BB pulses to the quantum system at hand, without having to assume a model Hamiltonian.

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