dorsal/arxiv
View SchemaNonlinear coupling of nano mechanical resonators to Josephson quantum circuits
| Authors | Xingxiang Zhou, Ari Mizel |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0605017 |
| URL | https://arxiv.org/abs/quant-ph/0605017 |
| DOI | 10.1103/PhysRevLett.97.267201 |
Abstract
We propose a technique to couple the position operator of a nano mechanical resonator to a SQUID device by modulating its magnetic flux bias. By tuning the magnetic field properly, either linear or quadratic couplings can be realized, with a discretely adjustable coupling strength. This provides a way to realize coherent nonlinear effects in a nano mechanical resonator by coupling it to a Josephson quantum circuit. As an example, we show how squeezing of the nano mechanical resonator state can be realized with this technique. We also propose a simple method to measure the uncertainty in the position of the nano mechanical resonator without quantum state tomography.
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"abstract": "We propose a technique to couple the position operator of a nano mechanical\nresonator to a SQUID device by modulating its magnetic flux bias. By tuning the\nmagnetic field properly, either linear or quadratic couplings can be realized,\nwith a discretely adjustable coupling strength. This provides a way to realize\ncoherent nonlinear effects in a nano mechanical resonator by coupling it to a\nJosephson quantum circuit. As an example, we show how squeezing of the nano\nmechanical resonator state can be realized with this technique. We also propose\na simple method to measure the uncertainty in the position of the nano\nmechanical resonator without quantum state tomography.",
"arxiv_id": "quant-ph/0605017",
"authors": [
"Xingxiang Zhou",
"Ari Mizel"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevLett.97.267201",
"title": "Nonlinear coupling of nano mechanical resonators to Josephson quantum circuits",
"url": "https://arxiv.org/abs/quant-ph/0605017"
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