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A parametric symmetry breaking transducer

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2018

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Eichler, Alexander
Heugel, Toni L.
Leuch, Anina
Degen, Christian L.
Chitra, Ramasubramanian

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https://doi.org/10.1063/1.5031058
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http://arxiv.org/abs/1803.10467

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Applied Physics Letters. American Institute of Physics (AIP). 2018, 112(23), 233105. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.5031058

Zusammenfassung

Force detectors rely on resonators to transduce forces into a readable signal. Usually, these resonators operate in the linear regime and their signal appears amidst a competing background comprising thermal or quantum fluctuations as well as readout noise. Here, we demonstrate a parametric symmetry breaking transduction method that leads to a robust nonlinear force detection in the presence of noise. The force signal is encoded in the frequency at which the system jumps between two phase states which are inherently protected against phase noise. Consequently, the transduction effectively decouples from readout noise channels. For a controlled demonstration of the method, we experiment with a macroscopic doubly clamped string. Our method provides a promising paradigm for high-precision force detection.

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ISO 690EICHLER, Alexander, Toni L. HEUGEL, Anina LEUCH, Christian L. DEGEN, Ramasubramanian CHITRA, Oded ZILBERBERG, 2018. A parametric symmetry breaking transducer. In: Applied Physics Letters. American Institute of Physics (AIP). 2018, 112(23), 233105. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.5031058
BibTex
@article{Eichler2018param-54993,
  year={2018},
  doi={10.1063/1.5031058},
  title={A parametric symmetry breaking transducer},
  number={23},
  volume={112},
  issn={0003-6951},
  journal={Applied Physics Letters},
  author={Eichler, Alexander and Heugel, Toni L. and Leuch, Anina and Degen, Christian L. and Chitra, Ramasubramanian and Zilberberg, Oded},
  note={Article Number: 233105}
}
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