Table 1 For the highlighted markers in Fig. 3 we show the input states corresponding with the recorded speckle pattern, the reference pattern to which we are comparing it, and both the expected and measured cross-correlation between those two speckle patterns.

From: Space division multiplexing in standard multi-mode optical fibers based on speckle pattern classification

LabelSequenceReferenceρ0 expectedρ measured
A{1000}{1000}10.96
B{0001}{0001}10.67
C{1100}{0100}\(1/\sqrt{2}\approx 0.71\)0.71
D{1011}{0010}\(1/\sqrt{3}\approx 0.58\)0.59
E{1111}{0001}\(1/\sqrt{4}=0.50\)0.50
F{1010}{0100}00.06
G{0000}{0010}00.19
H{0100}{0001}0−0.02