Quantum Gates

Meet the Gates Family!

are all different roots of the Identity matrix.

Operator Eigenvalue Light Polarization Corresponding Basis
X +1 D (Diagonal) D/A
X -1 A (Anti-Diagonal) D/A
Y +1 R (Right-Circular) R/L
Y -1 L (Left-Circular) R/L
Z +1 H (Horizontal) H/V
Z -1 V (Vertical) H/V

Measuring Observable

Here's a useful table on what gates to apply to get to the X,Y, and Z observables from the digital
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Observable Gates Basis
X H D/A
Y R/L
Z none H/V