\documentclass[11pt]{article}
\input{Qcircuit}
\thispagestyle{empty}
\begin{document}
\begin{align*}
 \Qcircuit @C=.7em @R=.7em {
  \lstick{\ket{0}}    & \gate{H} & \qw & \ctrl{4} & \qw        & \qw & \cdots & & \qw                & \multigate{3}{F_n^{-1}} & \qw    & \meter & \cw \\
  \lstick{\ket{0}}    & \gate{H} & \qw & \qw      & \ctrl{3}   & \qw & \cdots & & \qw                & \ghost{F_n^{-1}}	& \qw  & \meter & \cw \\
  \lstick{\vdots\ \ } & \vdots   &     &          &            &     &        & &                    & \pureghost{F_n^{-1}}    &        & \vdots &     \\
  \lstick{\ket{0}}    & \gate{H} & \qw & \qw      & \qw        & \qw & \cdots & & \ctrl{1}           & \ghost{F_n^{-1}}	& \qw  & \meter & \cw \\
  \lstick{\ket{\psi}} & /^m \qw  & \qw & \gate{U} & \gate{U^2} & \qw & \cdots & & \gate{U^{2^{n-1}}} & \qw
 }
\end{align*}
\end{document}