Tutorial: Quantum Information & Cold Atoms
Tutorial: Quantum Information & Cold Atoms
Tutorial: Quantum Information & Cold Atoms
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To illustrate the ideas ...<br />
Single <strong>Atoms</strong><br />
laser<br />
laser<br />
ion A<br />
ion B<br />
Internal states<br />
ionA ionB<br />
- Weak (short) laser pulse, so that the excitation probability is small.<br />
- If no detection, pump back and start again.<br />
|1i |1i<br />
|0i |0i<br />
- If detection, an entangled state is created.because we do not know<br />
which atom emitted the photon<br />
|0, 1i±|1, 0i<br />
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