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Linear-optics realization of channels for single-photon multimode qudits

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Marco Piani, David Pitkanen, Rainer Kaltenbaek, Norbert Lutkenhaus

Quantum Physics · Submitted 15 Dec 2010

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim With our method it is possible to deterministically implement random-unitary channels and to stochastically implement general, non-unital channels.

how it is stated · hedged possibility 0.81 read the record →

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arXiv ID1012.3474 (version 1)
Pith IDQCWUFVJE, Pith's permanent record of this paper and its review
CitationDavid Pitkanen, Marco Piani, Norbert Lutkenhaus, Rainer Kaltenbaek. "Linear-optics realization of channels for single-photon multimode qudits." arXiv:1012.3474 (2010). https://pith.science/paper/QCWUFVJE
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

Open the compiled record

Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,312 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.91 · human participants 0.01 · controlled comparison 0.02 · randomized assignment 0.06 · states quantitative result 0.44 · compares with prior results 0.08 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

We propose and theoretically study a method for the stochastic realization of arbitrary quantum channels on multimode single-photon qudits. In order for our method to be undemanding in its implementation, we restrict our analysis to linear-optical techniques, vacuum ancillary states and non-adaptive schemes, but we allow for random switching between different optical networks. With our method it is possible to deterministically implement random-unitary channels and to stochastically implement general, non-unital channels. We provide an expression for the optimal probability of success of our scheme and calculate this quantity for specific examples like the qubit amplitude-damping channel. The success probability is shown to be related to the entanglement properties of the Choi-Jamiolkowski state isomorphic to the channel.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We propose and theoretically study a method for the stochastic realization of arbitrary quantum channels on multimode single-photon qudits. contribution 1.00 0.87 0.24 asserted 0.80
s1 In order for our method to be undemanding in its implementation, we restrict our analysis to linear-optical techniques, vacuum ancillary states and non-adaptive schemes, but we allow for random switching between different optical networks. limitation 0.67 0.70 0.05 asserted 0.95
s2 With our method it is possible to deterministically implement random-unitary channels and to stochastically implement general, non-unital channels. result 0.86 0.79 0.53 hedged possibility 0.81
s3 We provide an expression for the optimal probability of success of our scheme and calculate this quantity for specific examples like the qubit amplitude-damping channel. result 0.60 0.94 0.12 asserted 1.00
s4 The success probability is shown to be related to the entanglement properties of the Choi-Jamiolkowski state isomorphic to the channel. result 0.84 0.86 0.17 asserted 1.00

What kind of paper the classifier reports this is: method or tool 0.95 · evidence from proof or derivation 1.00.

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not examined
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  • references and citing sentences
  • relations to other papers
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  • P abstract
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  • T body sentences
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

We propose and theoretically study a method for the stochastic realization of arbitrary quantum channels on multimode single-photon qudits. In order for our method to be undemanding in its implementation, we restrict our analysis to linear-optical techniques, vacuum ancillary states and non-adaptive schemes, but we allow for random switching between different optical networks. With our method it is possible to deterministically implement random-unitary channels and to stochastically implement general, non-unital channels. We provide an expression for the optimal probability of success of our scheme and calculate this quantity for specific examples like the qubit amplitude-damping channel. The success probability is shown to be related to the entanglement properties of the Choi-Jamiolkowski state isomorphic to the channel.

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