Practical decoy-state sender implemented over analog RoF transmitters for secure 5G and beyond x-haul connections

Giannis Giannoulis; Argiris Ntanos; Aristeidis Stathis; Konstantina Kanta; Panagiotis Toumasis; Dimitris Zavitsanos; Nikolaos K. Lyras; Dimitrios Apostolopoulos; Hercules Avramopoulos

doi:10.1117/12.2649707

15 March 2023 Practical decoy-state sender implemented over analog RoF transmitters for secure 5G and beyond x-haul connections

Giannis Giannoulis, Argiris Ntanos, Aristeidis Stathis, Konstantina Kanta, Panagiotis Toumasis, Dimitris Zavitsanos, Nikolaos K. Lyras, Dimitrios Apostolopoulos, Hercules Avramopoulos

Author Affiliations +

Proceedings Volume 12429, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XII; 1242919 (2023) https://doi.org/10.1117/12.2649707
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

A novel transmitter implementation, which will be capable of operating in both classical and quantum light regimes since it will be able to send single photons across a quantum channel and at the same time to serve as analog RoF transmitter currently deployed in X-haul topologies, is proposed. By spectrally isolating the sidebands of analog RoF signal and by controlling the EML’s modulation index, different mean photon numbers launched in one sideband can be obtained. We report on the architecture of our proposed transmitter station, and we demonstrate its operation through proof-of-concept experiments by performing successful RoF transmission links and by carrying out photon-counting measurements. The transmission of 200 Mbaud QPSK-modulated signal with acceptable EVM measurements of < 17.5%, as well the variation of the mean count rate of the filtered sideband as a function of the peak-to-peak driving voltage of radio signal at 28GHz were successfully performed, confirming that the sidebands of A-RoF transceivers can be used as single-photon carriers for quantum information.

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Giannis Giannoulis, Argiris Ntanos, Aristeidis Stathis, Konstantina Kanta, Panagiotis Toumasis, Dimitris Zavitsanos, Nikolaos K. Lyras, Dimitrios Apostolopoulos, and Hercules Avramopoulos "Practical decoy-state sender implemented over analog RoF transmitters for secure 5G and beyond x-haul connections", Proc. SPIE 12429, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XII, 1242919 (15 March 2023); https://doi.org/10.1117/12.2649707

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