Figure 3
From: Storage and retrieval of microwave pulse in a crystal of molecular magnets based on four-wave-mixing
Group velocities \(\operatorname{Re}[V_{1}/c]\) (blue solid line) and \(\operatorname{Re}[V_{2}/c]\) (red dashed line) as function of the dimensionless photon detuning Δτ with \(z_{0} = 0.5\) mm, \(\tau =10\ \mu s\) \(\gamma _{1}\tau = 50\), \(\gamma _{2}\tau = 60\), \(\kappa _{12} \tau z_{0} =2\times 10^{4}\), \(\kappa _{14}\tau z_{0}= 3\times 10^{4}\)