Waveguide superconducting single-photon autocorrelators for quantum photonic applications

D. Sahin; A. Gaggero; G. Frucci; S. Jahanmirinejad; J. P. Sprengers; F. Mattioli; R. Leoni; J. Beetz; M. Lermer; M. Kamp; S. Höfling; A. Fiore

doi:10.1117/12.2004510

29 March 2013 Waveguide superconducting single-photon autocorrelators for quantum photonic applications

D. Sahin, A. Gaggero, G. Frucci, S. Jahanmirinejad, J. P. Sprengers, F. Mattioli, R. Leoni, J. Beetz, M. Lermer, M. Kamp, S. Höfling, A. Fiore

Author Affiliations +

Proceedings Volume 8635, Advances in Photonics of Quantum Computing, Memory, and Communication VI; 86351B (2013) https://doi.org/10.1117/12.2004510
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

We report a novel component for integrated quantum photonic applications, a waveguide single-photon autocorrelator. It is based on two superconducting nanowire detectors patterned onto the same GaAs ridge waveguide. Combining the electrical output of the two detectors in a correlation card enables the measurement of the second-order correlation function g⁽²⁾ (τ), which realizes the functionality of a Hanbury-Brown and Twiss experiment in a very compact integrated device. Each detector shows a polarization-independent quantum efficiency of ~0.5-1% at 1300 nm. This autocorrelator represents a key building block for quantum photonic integrated circuits including single-photon sources and linear optics.

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D. Sahin, A. Gaggero, G. Frucci, S. Jahanmirinejad, J. P. Sprengers, F. Mattioli, R. Leoni, J. Beetz, M. Lermer, M. Kamp, S. Höfling, and A. Fiore "Waveguide superconducting single-photon autocorrelators for quantum photonic applications", Proc. SPIE 8635, Advances in Photonics of Quantum Computing, Memory, and Communication VI, 86351B (29 March 2013); https://doi.org/10.1117/12.2004510

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