. | Polarization | ↗ (0) | ↖ (1) | ↗ (0) | ↖ (1) | ↗ (0) | ↗ (1) |
. | Alice's Basis | + | X | + | + | X | X |
. | Polarization Alice measures | ↑ | ↖ | ↑ | → | ↗ | ↖ |
. | Bob's Basis | + | + | X | + | + | X |
. | Polarization Bob measures | ↑ | → | ↗ | → | ↑ | ↖ |
. | Alice and Bob publicly discuss their bases to see if they agree | yes | no | no | yes | no | yes |
. | Secret Key | 0 | 1 | 1 |