Numerical Analysis of Optimized Coherent Control Pulses

Details Numerical Analysis of Optimized Coherent Control Pulses Numerical Analysis of Optimized Coherent Control Pulses

2008-03-17

arxiv.org/abs/0803.2411v2

Phys. Rev. A 78, 022315 (2008)

Physics

Quantum Physics

8 pages and 10 figures, published version

Scientific paper

10.1103/PhysRevA.78.022315

Numerically we simulate the effect of optimized coherent control pulses with a finite duration on a qubit in a bath of spins. The pulses of finite duration are compared with ideal instantaneous pulses. In particular, we show that properly designed short pulses can approximate ideal instantaneous pulses up to a certain order in the shortness of the pulse. We provide examples of such pulses, quantify the discrepancy from the ideal case and compare their effect for various ranges of the coupling constants.

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