Figure 5
\(\Lambda\) type optical transitions possible in a quantum dot. The transitions \(|-\rangle \leftrightarrow |e\rangle\) and \(|+\rangle \leftrightarrow |e\rangle\) are associated with the left and right polarization of the photon, denoted as \(|L\rangle\) and \(|R\rangle\) respectively.
