%Converted to svg with pdf2svg
\documentclass[tikz]{standalone}
\usetikzlibrary{shapes.callouts}
\tikzset{
	level/.style = {
		ultra thick,
		black,
	},
	connect/.style = {
		dashed,
		red
	},
	notice/.style = {
		draw,
		rectangle callout,
		callout relative pointer={#1}
	},
	label/.style = {
		text width=2cm
	}
}
\begin{document}
	\begin{tikzpicture}
		%Magnifier 1
		\draw[level] (2.5,1.5) -- (2.5,3.25);
		\draw[level] (2.5,-1) ellipse (3cm and 2.5cm);
		
		%Magnifier 2
		\draw[level] (8,1.19) -- (6.65,3.3);
		\draw[level] (9.5,-1) ellipse (3cm and 2.5cm);
		
		% Chain 1
		\node[label] at (0.25,3.5) {$\cdots$};
		\draw[draw=black,fill=black] (0,3.5) circle (0.12cm);
		\draw[draw=black,fill=black] (0.5,3.5) circle (0.12cm);
		\draw[draw=black,fill=black] (1,3.5) circle (0.12cm);
		\draw[draw=black,fill=black] (1.5,3.5) circle (0.12cm);
		\draw[draw=black,fill=black] (2,3.5) circle (0.12cm);
		\draw[level] (2.5,3.5) circle (0.25cm);
		\draw[draw=black,fill=black] (2.5,3.5) circle (0.12cm) node[above, yshift=0.25cm] {$|A\rangle$};
		\draw[level] (2.5,3.5) circle (0.25cm);
		\draw[draw=black,fill=black] (3,3.5) circle (0.12cm);
		\draw[draw=black,fill=black] (3.5,3.5) circle (0.12cm);
		\node[label] at (4.75,3.5) {$\cdots$};
		
		%Phonon
		\path[level, <->] (0.2,4) edge (0.8,4) node[above,xshift = 0.3cm, yshift = 0.1cm] {$|0/1\rangle$};
		
		% Chain 2
		\node[label] at (6.25,3.5) {$\cdots$};
		\draw[draw=black,fill=black] (6,3.5) circle (0.12cm);
		\draw[level] (6.5,3.5) circle (0.25cm);
		\draw[draw=black,fill=black] (6.5,3.5) circle (0.12cm) node[above, yshift=0.25cm] {$|B\rangle$};
		\draw[draw=black,fill=black] (7,3.5) circle (0.12cm);
		\node[label] at (8.25,3.5) {$\cdots$};
		
		
		% First system
		\draw[level] (0,0) -- node[above] {$a$} (2,0);
		
		\draw[level] (3,0) -- node[above] {$e$} (5,0);
		
		\draw[level] (3,-2) -- node[below] {$g$} (5,-2);	
		
		% Second system
		\draw[level] (7,0) -- node[above] {$a$} (9,0);
		
		\draw[level] (10,0) -- node[above] {$e$} (12,0);
		
		\draw[level] (10,-2) -- node[below] {$g$} (12,-2);
		
		
		%Detuning
		\path[level, <->] (4,-1.4) edge node[left] {$\delta$} (4,-2);
		\path[level, <->] (11,-1.4) edge node[left] {$\delta$} (11,-2);
		
		%Arrows
		\path[level, <-] (3.5,-0.1) edge [bend right=20] node[left] {$(1)$} (3.5,-1.4);
		\path[level, ->] (4.5,-0.1) edge [bend left=20] node[right] {$(3)$} (4.5,-1.4);
		
		%Round arrow
		\draw[level, scale=1,domain=-0.25:2.25,samples = 200,smooth ,variable=\t,->]
		plot ({1.6*sin(2* \t r +150)+9.5},{0.65*sin(2*\t r)-0.8})
		node[left, xshift=-1cm, yshift=0.7cm] {$(2)$};
		
		%System
		\node[label] at (10,3.5) [draw, text width=2.1cm]{\large Total state: 
		$|A\rangle|B\rangle|0/1\rangle$};
		
		%Padding
		\node[] () at (13,5) {};
		
		\node[] () at (13,-4) {};
		
		\node[] () at (-1,-4) {};
	\end{tikzpicture}
\end{document}