Fig. 3 | Scientific Reports

Fig. 3

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

Fig. 3

Transverse distributions of the imaginary part of \(\rho _{31}^{(1)}(x,y)\) for different OAM numbers l: (a) \(l=10\), (b) \(l=15\), (c) \(l=20\), (d) \(l=30\). Other parameters: \(r=0.1\gamma\), \(\varOmega _{p0}=0.1\gamma\), \(\varOmega _{c0}=10\gamma\), \(\Delta _{p}=0\), \(\Delta _{c}=0\), \(\gamma _{1}=\gamma _{2}=\gamma\), \(\eta =1\), \(\varTheta =\pi /4\).

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