Fidelity of optically induced single-spin rotations in semiconductor quantum dots in the presence of nuclear spins
| Type of Publication: | Journal article |
| Publication status: | Published |
| Author: | Hildmann, Julia; Burkard, Guido |
| Year of publication: | 2014 |
| Published in: | Physica status solidi / B ; 251 (2014), 9. - pp. 1938-1944. - ISSN 0370-1972. - eISSN 1521-3951 |
| DOI (citable link): | https://dx.doi.org/10.1002/pssb.201350412 |
| Summary: |
We examine the influence of nuclear spins on the performance of optically induced rotations of single electron spins in semiconductor quantum dots. We consider Raman-type optical transitions between electron spin states and take into account the additional effect of the Overhauser field. We calculate average fidelities of rotations around characteristic axes in the presence of nuclear spins analytically with perturbation theory up to second order in the Overhauser field. Moreover, we calculate the fidelity using numerical averaging over the nuclear field distribution, including arbitrary orders of the hyperfine interaction.
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| Subject (DDC): | 530 Physics |
| Bibliography of Konstanz: | Yes |
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HILDMANN, Julia, Guido BURKARD, 2014. Fidelity of optically induced single-spin rotations in semiconductor quantum dots in the presence of nuclear spins. In: Physica status solidi / B. 251(9), pp. 1938-1944. ISSN 0370-1972. eISSN 1521-3951. Available under: doi: 10.1002/pssb.201350412
@article{Hildmann2014Fidel-32335, title={Fidelity of optically induced single-spin rotations in semiconductor quantum dots in the presence of nuclear spins}, year={2014}, doi={10.1002/pssb.201350412}, number={9}, volume={251}, issn={0370-1972}, journal={Physica status solidi / B}, pages={1938--1944}, author={Hildmann, Julia and Burkard, Guido} }
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