Pengjie ZHU, Huajun CHEN. All⁃optical mass sensing based on hybrid nanomechanical oscillator system[J]. Chinese Journal of Quantum Electronics, 2024, 41(2): 349
- Chinese Journal of Quantum Electronics
- Vol. 41, Issue 2, 349 (2024)
Fig. 1. Schematic of NV color center - cantilever nanomechanical system
Fig. 2. (a) Probe absorption as a function of detection-exciton frequency detuning for different mechanical oscillator frequencies; (b) Details of amplification for the left peaks of absorption spectra; (c) Details of amplification for the right peaks of absorption spectra
Fig. 3. (a) Detection absorption spectra obtained at different coupling intensity when the exciton-pumped light frequency detuning is equal to the oscillator frequency; (b) Relationship between the splitting width and coupling strength of the two peaks in detection absorption spectrum
Fig. 4. (a) Absorption spectra of the biomolecules to be measured with or without the presence of NV center-cantilever connected nanomechanical vibrators; (b) Frequency shift of the oscillator versus the number of nanoparticles
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