Spin-orbit-mediated control of electron and hole spins in InSb ...
Spin-orbit-mediated control of electron and hole spins in InSb ...
Spin-orbit-mediated control of electron and hole spins in InSb ...
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From <strong>electron</strong> <strong>sp<strong>in</strong>s</strong> to <strong>hole</strong> <strong>sp<strong>in</strong>s</strong><br />
Electron <strong>sp<strong>in</strong>s</strong>:<br />
• very advanced platform for quantum <strong>in</strong>formation process<strong>in</strong>g<br />
(s<strong>in</strong>gle-sp<strong>in</strong> rotations, s<strong>in</strong>gle-sp<strong>in</strong> readout, coherent exchange)<br />
• decoherence due to nuclear <strong>sp<strong>in</strong>s</strong> is a challenge <strong>in</strong> III-V semiconductors<br />
Hole <strong>sp<strong>in</strong>s</strong>:<br />
• weaker hyperf<strong>in</strong>e <strong>in</strong>teraction (longer sp<strong>in</strong> coherence)<br />
(e.g. Brunner et al., Science (2009); DeGreve et al., Nat. Phys. (2011))<br />
• stronger sp<strong>in</strong>-<strong>orbit</strong> coupl<strong>in</strong>g (enhanced sp<strong>in</strong> <strong>control</strong>)<br />
(e.g. Manaselyan et al., Europhys. Lett. (2009); Kloeffel et al., PRB (2011))<br />
• <strong>control</strong> may facilitate sp<strong>in</strong>-to-photon conversion<br />
• … but challeng<strong>in</strong>g fabrication few sp<strong>in</strong> transport studies to date<br />
V.S.P. et al., Nature Nanotech., 2013 (<strong>in</strong> pr<strong>in</strong>t).
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