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Superconducting Qubits Quantum Error Correction Fault Tolerance Photonic Quantum Computing

Efficient Bell state analyzer for time-bin qubits with fast-recovery WSi superconducting single photon detectors

arXiv

Authors: 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

Paper ID

46923

Status

Preprint

Abstract Read

~2 min

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Abstract

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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We experimentally demonstrate a high-efficiency Bell state measurement for time-bin qubits that employs two superconducting nanowire single-photon detectors with short...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1410.4861 [2] arXiv https://arxiv.org/abs/1410.4861 [3] Publisher https://arxiv.org/abs/1410.4861

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