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Electro-Optic Frequency Beam Splitters and Tritters for High-Fidelity Photonic Quantum Information Processing

Lu, Hsuan-Hao ; Lukens, Joseph M ; Peters, Nicholas A ; Odele, Ogaga D ; Leaird, Daniel E ; Weiner, Andrew M ; Lougovski, Pavel

Physical review letters, 2018-01, Vol.120 (3), p.030502-030502, Article 030502 [Periódico revisado por pares]

United States: American Physical Society (APS)

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  • Título:
    Electro-Optic Frequency Beam Splitters and Tritters for High-Fidelity Photonic Quantum Information Processing
  • Autor: Lu, Hsuan-Hao ; Lukens, Joseph M ; Peters, Nicholas A ; Odele, Ogaga D ; Leaird, Daniel E ; Weiner, Andrew M ; Lougovski, Pavel
  • Assuntos: MATERIALS SCIENCE ; MATHEMATICS AND COMPUTING ; optoelectronics ; photonics ; quantum information processing ; quantum state engineering
  • É parte de: Physical review letters, 2018-01, Vol.120 (3), p.030502-030502, Article 030502
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    USDOE
    ORNL Laboratory Directed Research and Development (LDRD) Program
    National Science Foundation (NSF)
    AC05-00OR22725; ECCS-1407620
  • Descrição: We report the experimental realization of high-fidelity photonic quantum gates for frequency-encoded qubits and qutrits based on electro-optic modulation and Fourier-transform pulse shaping. Our frequency version of the Hadamard gate offers near-unity fidelity (0.99998±0.00003), requires only a single microwave drive tone for near-ideal performance, functions across the entire C band (1530-1570 nm), and can operate concurrently on multiple qubits spaced as tightly as four frequency modes apart, with no observable degradation in the fidelity. For qutrits, we implement a 3×3 extension of the Hadamard gate: the balanced tritter. This tritter-the first ever demonstrated for frequency modes-attains fidelity 0.9989±0.0004. These gates represent important building blocks toward scalable, high-fidelity quantum information processing based on frequency encoding.
  • Editor: United States: American Physical Society (APS)
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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