dorsal/arxiv
View SchemaQuantum noise in ideal operational amplifiers
| Authors | Jean-Michel Courty, Francesca Grassia, Serge Reynaud |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9811062 |
| URL | https://arxiv.org/abs/quant-ph/9811062 |
| DOI | 10.1209/epl/i1999-00558-3 |
| Journal | Europhys.Lett. 46 (1999) 31-37 |
Abstract
We consider a model of quantum measurement built on an ideal operational amplifier operating in the limit of infinite gain, infinite input impedance and null output impedance and with a feddback loop. We evaluate the intensity and voltage noises which have to be added to the classical amplification equations in order to fulfill the requirements of quantum mechanics. We give a description of this measurement device as a quantum network scattering quantum fluctuations from input to output ports.
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"abstract": "We consider a model of quantum measurement built on an ideal operational\namplifier operating in the limit of infinite gain, infinite input impedance and\nnull output impedance and with a feddback loop. We evaluate the intensity and\nvoltage noises which have to be added to the classical amplification equations\nin order to fulfill the requirements of quantum mechanics. We give a\ndescription of this measurement device as a quantum network scattering quantum\nfluctuations from input to output ports.",
"arxiv_id": "quant-ph/9811062",
"authors": [
"Jean-Michel Courty",
"Francesca Grassia",
"Serge Reynaud"
],
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"quant-ph"
],
"doi": "10.1209/epl/i1999-00558-3",
"journal_ref": "Europhys.Lett. 46 (1999) 31-37",
"title": "Quantum noise in ideal operational amplifiers",
"url": "https://arxiv.org/abs/quant-ph/9811062"
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