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Document type:
Zeitschriftenaufsatz 
Author(s):
Gajo, K.; Rastelli, G.; Weig, E.M. 
Title:
Tuning the nonlinear dispersive coupling of nanomechanical string resonators 
Abstract:
We investigate nonlinear dispersive mode coupling between the flexural in- and out-of-plane modes of two doubly clamped, nanomechanical silicon nitride string resonators. As the amplitude of one mode transitions from the linear response regime into the nonlinear regime, we find a frequency shift of two other modes. The resonators are strongly elastically coupled via a shared clamping point and can be tuned in and out of resonance dielectrically, giving rise to multimode avoided crossings. When t...    »
 
Journal title:
PHYSICAL REVIEW B101, 075420 (2020) 2020-02 
Year:
2020 
Year / month:
2020-02 
Quarter:
1. Quartal 
Month:
Feb 
Language:
en 
Publisher:
American Physical Society APS