Free-electron-heralded single-photon generation in high-Q microresonators

Germaine Arend; Guanhao Huang; Armin Feist; Yujia Yang; Jan-Wilke Henke; Arslan Sajid Raja; F. Jasmin Kappert; Rui N. Wang; Hugo Lourenço-Martins; Zheru Qiu; Junqiu Liu; Ofer Kfir; Tobias J. Kippenberg; Claus Ropers

doi:10.1117/12.2665502

9 June 2023 Free-electron-heralded single-photon generation in high-Q microresonators

Germaine Arend, Guanhao Huang, Armin Feist, Yujia Yang, Jan-Wilke Henke, Arslan Sajid Raja, F. Jasmin Kappert, Rui N. Wang, Hugo Lourenço-Martins, Zheru Qiu, Junqiu Liu, Ofer Kfir, Tobias J. Kippenberg, Claus Ropers

Author Affiliations +

Proceedings Volume PC12570, Quantum Optics and Photon Counting 2023; PC1257008 (2023) https://doi.org/10.1117/12.2665502
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Abstract

Here we establish a platform for efficient electron-photon pair generation by integrating a photonic chip-based silicon nitride microresonator into a transmission electron microscope. The free electrons passing the resonator scatter inelastically with the empty optical modes, leading to a quantized electron-energy loss as well as the generation of cavity photons. The temporal correlation of their detection demonstrates the generation of electron-photon pairs. Selection of these pairs allows further analysis of the generation process, as well as the usage of the platform as a high-fidelity single-photon or single-electron source. This promises new experimental capabilities in free-electron quantum optics.

Conference Presentation

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Germaine Arend, Guanhao Huang, Armin Feist, Yujia Yang, Jan-Wilke Henke, Arslan Sajid Raja, F. Jasmin Kappert, Rui N. Wang, Hugo Lourenço-Martins, Zheru Qiu, Junqiu Liu, Ofer Kfir, Tobias J. Kippenberg, and Claus Ropers "Free-electron-heralded single-photon generation in high-Q microresonators", Proc. SPIE PC12570, Quantum Optics and Photon Counting 2023, PC1257008 (9 June 2023); https://doi.org/10.1117/12.2665502

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