Volume 100, Number 6, December 2012
|Number of page(s)||5|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||09 January 2013|
Nonlinear mechanics with suspended nanomembranes
1 Laboratoire Kastler Brossel, UPMC-ENS-CNRS - Case 74, 4 place Jussieu, F-75252 Paris Cedex 05, France, EU
2 Laboratoire de Photonique et de Nanostructures LPN-CNRS, UPR-20 - Route de Nozay, F-91460 Marcoussis, France, EU
3 Université Paris Diderot - F-75205 Paris Cedex 13, France, EU
Received: 29 October 2012
Accepted: 5 December 2012
We study the nonlinear dynamics induced in suspended nanomembranes by their clampings. The nonlocal character of the nonlinearity is demonstrated via intermode couplings. We also monitor the resonator phase-space trajectory and characterize its mechanical response in the presence of a strong pump excitation. We observe a shift in the oscillation frequency and phase conjugation of the mechanical mode. Such nonlinear effects are inherent to any submicron-scale mechanical resonator and are expected to play a role in their quantum dynamics as well.
PACS: 85.85.+j – Micro- and nano-electromechanical systems (MEMS/NEMS) and devices / 05.45.-a – Nonlinear dynamics and chaos / 42.70.Qs – Photonic bandgap materials
© EPLA, 2012
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