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Paper 1
Efficient Bell state analyzer for time-bin qubits with fast-recovery WSi superconducting single photon detectors
Raju Valivarthi, Itzel Lucio-Martinez, Allison Rubenok, Philip Chan, Francesco Marsili, Varun B. Verma, Matthew D. Shaw, J. A. Stern, Joshua A. Slater, Daniel Oblak, Sae Woo Nam, Wolfgang Tittel
- Year
- 2014
- Journal
- arXiv preprint
- DOI
- arXiv:1410.4861
- arXiv
- 1410.4861
We experimentally demonstrate a high-efficiency Bell state measurement for time-bin qubits that employs two superconducting nanowire single-photon detectors with short dead-times, allowing projections onto two Bell states, |Psi>- and |Psi+>. Compared to previous implementations for time-bin qubits, this yields an increase in the efficiency of Bell state analysis by a factor of thirty.
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Proceedings 9th Workshop on Quantum Physics and Logic
Ross Duncan, Prakash Panangaden
- Year
- 2014
- Journal
- arXiv preprint
- DOI
- arXiv:1407.8427
- arXiv
- 1407.8427
This volume contains the proceedings of the ninth workshop on Quantum Physics and Logic (QPL2012) which took place in Brussels from the 10th to the 12th of October 2012. QPL2012 brought together researchers working on mathematical foundations of quantum physics, quantum computing, and spatio-temporal causal structures. The particular focus was on the use of logical tools, ordered algebraic and category-theoretic structures, formal languages, semantical techniques, and other computer science methods for the study of physical behaviour in general.
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