Gallium arsenide (GaAs) quantum photonic waveguide circuits

Jianwei Wang; Alberto Santamato; Pisu Jiang; Damien Bonneau; Erman Engin; Joshua W. Silverstone; Matthias Lermer; Johannes Beetz; Martin Kamp; Sven Höfling; Michael G. Tanner; Chandra M. Natarajan; Robert H. Hadfield; Sander N. Dorenbos; Val Zwiller; Jeremy L. O'Brien; Mark G. Thompson

doi:10.1016/j.optcom.2014.02.040

Gallium arsenide (GaAs) quantum photonic waveguide circuits

Jianwei Wang, Alberto Santamato, Pisu Jiang, Damien Bonneau, Erman Engin, Joshua W. Silverstone, Matthias Lermer, Johannes Beetz, Martin Kamp, Sven Höfling, Michael G. Tanner, Chandra M. Natarajan, Robert H. Hadfield, Sander N. Dorenbos, Val Zwiller, Jeremy L. O'Brien, Mark G. Thompson

Research output: Contribution to journal › Article › peer-review

87 Citations (Scopus)

Abstract

Integrated quantum photonics is a promising approach for future practical and large-scale quantum information processing technologies, with the prospect of on-chip generation, manipulation and measurement of complex quantum states of light. The gallium arsenide (GaAs) material system is a promising technology platform, and has already successfully demonstrated key components including waveguide integrated single-photon sources and integrated single-photon detectors. However, quantum circuits capable of manipulating quantum states of light have so far not been investigated in this material system. Here, we report GaAs photonic circuits for the manipulation of single-photon and two-photon states. Two-photon quantum interference with a visibility of 94.9±1.3% was observed in GaAs directional couplers. Classical and quantum interference fringes with visibilities of 98.6±1.3% and 84.4±1.5% respectively were demonstrated in Mach-Zehnder interferometers exploiting the electro-optic Pockels effect. This work paves the way for a fully integrated quantum technology platform based on the GaAs material system.

Original language	English
Pages (from-to)	49-55
Number of pages	7
Journal	Optics Communications
Volume	327
DOIs	https://doi.org/10.1016/j.optcom.2014.02.040
Publication status	Published - 15 Sep 2014
Externally published	Yes

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Wang, J., Santamato, A., Jiang, P., Bonneau, D., Engin, E., Silverstone, J. W., Lermer, M., Beetz, J., Kamp, M., Höfling, S., Tanner, M. G., Natarajan, C. M., Hadfield, R. H., Dorenbos, S. N., Zwiller, V., O'Brien, J. L., & Thompson, M. G. (2014). Gallium arsenide (GaAs) quantum photonic waveguide circuits. Optics Communications, 327, 49-55. https://doi.org/10.1016/j.optcom.2014.02.040

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abstract = "Integrated quantum photonics is a promising approach for future practical and large-scale quantum information processing technologies, with the prospect of on-chip generation, manipulation and measurement of complex quantum states of light. The gallium arsenide (GaAs) material system is a promising technology platform, and has already successfully demonstrated key components including waveguide integrated single-photon sources and integrated single-photon detectors. However, quantum circuits capable of manipulating quantum states of light have so far not been investigated in this material system. Here, we report GaAs photonic circuits for the manipulation of single-photon and two-photon states. Two-photon quantum interference with a visibility of 94.9±1.3% was observed in GaAs directional couplers. Classical and quantum interference fringes with visibilities of 98.6±1.3% and 84.4±1.5% respectively were demonstrated in Mach-Zehnder interferometers exploiting the electro-optic Pockels effect. This work paves the way for a fully integrated quantum technology platform based on the GaAs material system.",

keywords = "Entanglement, GaAs waveguide, Integrated quantum photonics, Pockels effect, Quantum interference, Quantum optics",

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AU - Wang, Jianwei

AU - Santamato, Alberto

AU - Jiang, Pisu

AU - Bonneau, Damien

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AU - Silverstone, Joshua W.

AU - Lermer, Matthias

AU - Beetz, Johannes

AU - Kamp, Martin

AU - Höfling, Sven

AU - Tanner, Michael G.

AU - Natarajan, Chandra M.

AU - Hadfield, Robert H.

AU - Dorenbos, Sander N.

AU - Zwiller, Val

AU - O'Brien, Jeremy L.

AU - Thompson, Mark G.

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N2 - Integrated quantum photonics is a promising approach for future practical and large-scale quantum information processing technologies, with the prospect of on-chip generation, manipulation and measurement of complex quantum states of light. The gallium arsenide (GaAs) material system is a promising technology platform, and has already successfully demonstrated key components including waveguide integrated single-photon sources and integrated single-photon detectors. However, quantum circuits capable of manipulating quantum states of light have so far not been investigated in this material system. Here, we report GaAs photonic circuits for the manipulation of single-photon and two-photon states. Two-photon quantum interference with a visibility of 94.9±1.3% was observed in GaAs directional couplers. Classical and quantum interference fringes with visibilities of 98.6±1.3% and 84.4±1.5% respectively were demonstrated in Mach-Zehnder interferometers exploiting the electro-optic Pockels effect. This work paves the way for a fully integrated quantum technology platform based on the GaAs material system.

AB - Integrated quantum photonics is a promising approach for future practical and large-scale quantum information processing technologies, with the prospect of on-chip generation, manipulation and measurement of complex quantum states of light. The gallium arsenide (GaAs) material system is a promising technology platform, and has already successfully demonstrated key components including waveguide integrated single-photon sources and integrated single-photon detectors. However, quantum circuits capable of manipulating quantum states of light have so far not been investigated in this material system. Here, we report GaAs photonic circuits for the manipulation of single-photon and two-photon states. Two-photon quantum interference with a visibility of 94.9±1.3% was observed in GaAs directional couplers. Classical and quantum interference fringes with visibilities of 98.6±1.3% and 84.4±1.5% respectively were demonstrated in Mach-Zehnder interferometers exploiting the electro-optic Pockels effect. This work paves the way for a fully integrated quantum technology platform based on the GaAs material system.

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KW - GaAs waveguide

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Gallium arsenide (GaAs) quantum photonic waveguide circuits

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