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Conferences > CLEOPR > 2013 > WG2 > WG2_4
  • 2013 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2013),
  • paper WG2_4

Ultrabroadband Quantum Interface for Telecom-wavelength Single-photon Qubits Using a Semiconductor Quantum Dot Ensemble

Kazumasa Suzuki, Kouichi Akahane, and Junko Ishi-Hayase

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Abstract

We demonstrate the coherent transfer and retrieval of ultrabroadband (terahertz range) time-bin qubits to a quantum dot ensemble using photon echo technique at telecommunication wavelength. The time-bin qubits are implemented with 1-ps weak coherent pulses at the single photon level. The transfer and retrieval fidelity of time-bin qubits is estimated to be higher than 95 % for 200-ps storage time.

© 2013 IEICE

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