dorsal/arxiv
View SchemaDiscrimination between nonorthogonal two-photon polarization states
| Authors | Ulrike Herzog |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0105139 |
| URL | https://arxiv.org/abs/quant-ph/0105139 |
| DOI | 10.1002/1521-3978(200110)49:10/11<981::AID-PROP981>3.0.CO;2-F |
Abstract
It is shown that generalized measurements, required for optimally discriminating between nonorthogonal joint polarization states of two indistinguishable photons, can be realized with the help of polarization-dependent two-photon absorption and by means of sum-frequency generation. Optimization schemes are investigated with respect to minimizing the error probability in inferring the states, as well as with respect to maximizing the probability of success for unambiguous discrimination. Moreover, an implementation of error-minimizing discrimination between N symmetric single-photon states is studied. The latter can be used to extract information from the inconclusive results occurring in unambiguous discrimination between three symmetric two-photon polarization states.
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"date_created": "2026-03-02T18:01:45.510000Z",
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"abstract": "It is shown that generalized measurements, required for optimally\ndiscriminating between nonorthogonal joint polarization states of two\nindistinguishable photons, can be realized with the help of\npolarization-dependent two-photon absorption and by means of sum-frequency\ngeneration. Optimization schemes are investigated with respect to minimizing\nthe error probability in inferring the states, as well as with respect to\nmaximizing the probability of success for unambiguous discrimination. Moreover,\nan implementation of error-minimizing discrimination between N symmetric\nsingle-photon states is studied. The latter can be used to extract information\nfrom the inconclusive results occurring in unambiguous discrimination between\nthree symmetric two-photon polarization states.",
"arxiv_id": "quant-ph/0105139",
"authors": [
"Ulrike Herzog"
],
"categories": [
"quant-ph"
],
"doi": "10.1002/1521-3978(200110)49:10/11\u003c981::AID-PROP981\u003e3.0.CO;2-F",
"title": "Discrimination between nonorthogonal two-photon polarization states",
"url": "https://arxiv.org/abs/quant-ph/0105139"
},
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