Fiber-coupled quantum dot single-photon source via photonic wire bonding

M. De Gregorio; S. Yu; Felix Kohr; D. Witt; B. Lin; M. Mitchell; S. Schlör; Ł. Dusanowski; C. Schneider; L. Chrostowski; T. Huber-Loyola; S. Höfling; J. F. Young; A. Pfenning

doi:10.1117/12.3001929

13 March 2024 Fiber-coupled quantum dot single-photon source via photonic wire bonding

M. De Gregorio, S. Yu, Felix Kohr, D. Witt, B. Lin, M. Mitchell, S. Schlör, Ł. Dusanowski, C. Schneider, L. Chrostowski, T. Huber-Loyola, S. Höfling, J. F. Young, A. Pfenning

Author Affiliations +

Proceedings Volume 12911, Quantum Computing, Communication, and Simulation IV; 129110Y (2024) https://doi.org/10.1117/12.3001929
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

Photonic wire bonds have been developed as an interface for the collection of single photon emission from quantum dots within a Bragg waveguide. When resonantly excited from the top of the waveguide via free space excitation a low multiphoton contribution in the quantum dot emission with g⁽²⁾(0) = (9.5 ± 1.4) × 10⁻² is shown. Our measurements demonstrate the ability to collect single-photon emission from a ridge waveguide into an optical fiber via photonic wire bonds at cryogenic temperatures. This allows for a seamless plug-and-play operation of the fiber-coupled single-photon source. Furthermore, the demonstrated approach allows for resonance fluorescence excitation without the need for any additional cross-polarization filtering.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

M. De Gregorio, S. Yu, Felix Kohr, D. Witt, B. Lin, M. Mitchell, S. Schlör, Ł. Dusanowski, C. Schneider, L. Chrostowski, T. Huber-Loyola, S. Höfling, J. F. Young, and A. Pfenning "Fiber-coupled quantum dot single-photon source via photonic wire bonding", Proc. SPIE 12911, Quantum Computing, Communication, and Simulation IV, 129110Y (13 March 2024); https://doi.org/10.1117/12.3001929

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