Abstract
We report an experimental demonstration of a quantum delayed-choice experiment via nuclear magnetic resonance techniques. Two spin-1/2 nuclei from each molecule of a liquid ensemble are used as target and ancilla qubits. The circuit corresponding to the recently proposed quantum delayed-choice setup has been implemented with different states of an ancilla qubit. As expected theoretically, our experiments clearly demonstrate continuous morphing of the target qubit between particle-like and wave-like behaviors. The experimental visibility of the interference patterns shows good agreement with theory.
| Original language | English |
|---|---|
| Article number | 022109 |
| Journal | Physical Review A (Atomic, Molecular, and Optical Physics) |
| Volume | 85 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 7 Feb 2012 |