Fig. 1. Experimental setup for laser frequency stabilization based on MTS

Fig. 2. Signal-to-noise ratio (SNR) of MTS signal changing with pump beam power for different probe beam powers

Fig. 3. SNR of MTS signal changing with probe beam power for different pump beam powers

Fig. 4. SNR of MTS signal changing with temperature of Rb cell

Fig. 5. SAS and MTS signals

Fig. 6. Beat signal with free running external cavity diode laser (ECDL)

Fig. 7. Beat signal with locked ECDL

Fig. 8. Allan deviation of beat signal