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Photonic Quantum Computing

Synchronization and phase shaping of single photons with high-efficiency quantum memory

arXiv
Authors: Keyu Su, Yunfei Wang, Shanchao Zhang, Zhuoping Kong, Yi Zhong, Jianfeng Li, Hui Yan, Shi-Liang Zhu

Year

2021

Paper ID

63109

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

Time synchronization and phase shaping of single photons both play fundamental roles in quantum information applications that rely on multi-photon quantum interference. Phase shaping typically requires separate modulators with extra insertion losses. Here, we develop a all-optical built-in phase modulator for single photons using a quantum memory. The fast phase modulation of a single photon in both step and linear manner are verified by observing the efficient quantum-memory-assisted Hong-Ou-Mandel interference between two single photons, where the anti-coalescence effect of bosonic photon pairs is demonstrated. The developed phase modulator may push forward the practical quantum information applications.

Why This Paper Matters

  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2021 reference point for readers tracking recent quantum research.
  • Time synchronization and phase shaping of single photons both play fundamental roles in quantum information applications that rely on multi-photon quantum interference.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2107.08742 [2] arXiv https://arxiv.org/abs/2107.08742 [3] Publisher https://arxiv.org/abs/2107.08742

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