Electron Spin Resonance (ESR) Based Quantum Computing by Takeji Takui Lawrence Berliner & Graeme Hanson

Author:Takeji Takui, Lawrence Berliner & Graeme Hanson
Language: eng
Format: epub
Publisher: Springer New York, New York, NY

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where ψ g (R, t) is the wavefunction in the electronic ground state and ψ e (R, t) is that in the electronic excited state.

In Fig. 4, we show the optimized laser pulse (panel a), frequency resolved optical gating (FROG) representation (panel b) for NOTV gate of Na2 molecule. In panel a, we can see that the optimized laser pulse contains very low laser amplitudes from t = 0–100 fs to t = 500–600 fs, and the laser is virtually on from t = 100–500 fs. From panel b, we notice that the laser frequency mainly consists of the value 15,000 cm−1 which almost corresponds to the resonant transition frequency between and states of Na2 molecule: . Using the optimized laser pulse, the final population of |11〉 state reaches 90.03 % at the target time T = 600 fs for the transition .

Fig. 4(a) Optimized laser pulse after 1500 iterations of MTOCT, and (b) FROG representation for NOTV gate of the Na2 molecule

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