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The authors theoretically propose a precise way to measure the vibrational frequency and coupling strength in a coupled nanomechanical resonator-quantum dot system in terms of mechanically induced coherent population oscillation. The pump-probe spectroscopy that exhibits new features such as mechanically induced three-photon resonance and ac Stark effect is obtained. Simultaneously, the coupling strength between nanomechanical resonator and quantum dot can also be detected from Rabi-splitting-like peak in the probe spectrum. Our results could be applied to other systems such as coupled DNA-quantum dot systems.
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Li et al. (2009) studied this question.
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