\begin{table}[h]
\centering
\caption{Performance Metrics by Detector Type}
\label{tab:laboratories}
\begin{tabular}{lcccccc}
\toprule
\textbf{Detector} & \textbf{N} & \textbf{Bell S} & \textbf{$\sigma$} & \textbf{Fidelity} & \textbf{$\sigma$} & \textbf{Eff (\%)} \\
\midrule
APD & 27 & 2.699 & 0.044 & 0.9570 & 0.0130 & 60.9 \\
SNSPD & 6 & 2.840 & 0.014 & 0.9900 & 0.0020 & 87.0 \\
\bottomrule
\end{tabular}
\end{table}