Research output per year
Research output per year
Matthijs H.J. de Jong, Jie Li, C.M. Gartner, Richard A. Norte, Simon Gröblacher*
Research output: Contribution to journal › Article › Scientific › peer-review
Studying the interplay between multiple coupled mechanical resonators is a promising new direction in the field of optomechanics. Understanding the dynamics of the interaction can lead to rich new effects, such as enhanced coupling and multi-body physics. In particular, multi-resonator optomechanical systems allow for distinct dynamical effects due to the optical cavity coherently coupling mechanical resonators. Here, we study the mechanical response of two SiN membranes and a single optical mode, and find that the cavity induces a time delay between the local and cavity-transduced thermal noises experienced by the resonators. This results in an optomechanical phase lag that causes destructive interference, cancelling the mechanical thermal noise by up to 20 dB in a controllable fashion and matching our theoretical expectation. Based on the effective coupling between membranes, we further propose, derive, and measure a collective effect, cooperativity competition on mechanical dissipation, whereby the linewidth of one resonator depends on the coupling efficiency (cooperativity) of the other resonator.
Original language | English |
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Pages (from-to) | 170-176 |
Journal | Optica |
Volume | 9 |
Issue number | 2 |
DOIs | |
Publication status | Published - 2022 |
Research output: Thesis › Dissertation (TU Delft)