dorsal/arxiv
View SchemaRemote state preparation and teleportation in phase space
| Authors | Matteo G. A. Paris, Mary Cola, Rodolfo Bonifacio |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0209168 |
| URL | https://arxiv.org/abs/quant-ph/0209168 |
| DOI | 10.1088/1464-4266/5/3/370 |
| Journal | J. Opt. B vol 5, S360 (2003) |
Abstract
Continuous variable remote state preparation and teleportation are analyzed using Wigner functions in phase space. We suggest a remote squeezed state preparation scheme between two parties sharing an entangled twin beam, where homodyne detection on one beam is used as a conditional source of squeezing for the other beam. The scheme works also with noisy measurements, and provide squeezing if the homodyne quantum efficiency is larger than 50%. Phase space approach is shown to provide a convenient framework to describe teleportation as a generalized conditional measurement, and to evaluate relevant degrading effects, such the finite amount of entanglement, the losses along the line, and the nonunit quantum efficiency at the sender location.
{
"annotation_id": "c0cd4fc8-2846-4be6-9e29-323a344793b6",
"date_created": "2026-03-02T18:01:52.173000Z",
"date_modified": "2026-03-02T18:01:52.173000Z",
"file_hash": "11b89c9b07f16bb45e880530e8d6bacb890108fa905eaa76f0dd6463b67c5fbb",
"private": false,
"record": {
"abstract": "Continuous variable remote state preparation and teleportation are analyzed\nusing Wigner functions in phase space. We suggest a remote squeezed state\npreparation scheme between two parties sharing an entangled twin beam, where\nhomodyne detection on one beam is used as a conditional source of squeezing for\nthe other beam. The scheme works also with noisy measurements, and provide\nsqueezing if the homodyne quantum efficiency is larger than 50%. Phase space\napproach is shown to provide a convenient framework to describe teleportation\nas a generalized conditional measurement, and to evaluate relevant degrading\neffects, such the finite amount of entanglement, the losses along the line, and\nthe nonunit quantum efficiency at the sender location.",
"arxiv_id": "quant-ph/0209168",
"authors": [
"Matteo G. A. Paris",
"Mary Cola",
"Rodolfo Bonifacio"
],
"categories": [
"quant-ph"
],
"doi": "10.1088/1464-4266/5/3/370",
"journal_ref": "J. Opt. B vol 5, S360 (2003)",
"title": "Remote state preparation and teleportation in phase space",
"url": "https://arxiv.org/abs/quant-ph/0209168"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "ed1dc792-7d54-4d28-9001-22ee3cd1ae21",
"id": "arXiv Dataset IDs",
"type": "Model",
"variant": "snapshot-2026-03-01",
"version": "0.1.0"
},
"user_id": 1000002
}