Fig. 9 | Scientific Reports

Fig. 9

From: Azimuthally dependent absorption and gain in an atomic system with spontaneously generated coherence controlled by an optical vortex field

Fig. 9

Transverse distributions of \(|\rho _{11}^{(0)}(x,y)|\) for different OAM numbers l: (a) \(l=1\), (b) \(l=2\), (c) \(l=3\), (d) \(l=4\). The pump rate \(r=0.01\gamma\). Other parameters: \(\varOmega _{p0}=0.1\gamma\), \(\varOmega _{c0}=10\gamma\), \(\Delta _{p}=0\), \(\Delta _{c}=0\), \(\gamma _{1}=\gamma _{2}=\gamma\), \(\eta =1\), \(\varTheta =\pi /4\).

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