Figure 3 | Scientific Reports

Figure 3

From: Quantum-dot micropillar lasers subject to coherent time-delayed optical feedback from a short external cavity

Figure 3

Autocorrelation measurements for various phase conditions of weak mode. Insets show the range of interest along the input-output curve with a dashed line indicating the used pump current from which one can deduce the feedback phase of both modes. (a) Weak mode is out of phase while strong mode is not in phase. (b) Both modes are not in phase. (c) Strong mode is in phase while weak mode is not. (d) Weak mode is in phase while strong mode is not.

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