On the optimization of underwater quantum key distribution systems with time-gated SPADs

Title On the optimization of underwater quantum key distribution systems with time-gated SPADs
Author Raouf, Amir Hossein Fahim, Uysal, Murat
Publication Date: 2022-08-01
Publication Place - Optica Publishing Group
Type Periodical
Language English
Digital Yes
Manuscript No
Library: Özyeğin University
Library Asset ID 0740-3224
Record ID 7d9a9ebe-76ea-4fae-b080-494cf02259c3
Library Location Electrical & Electronics Engineering
Date 2022-08-01
Sample Text In this paper, we study the effect of various transmitter and receiver parameters on the quantum bit error rate (QBER) performance of underwater quantum key distribution. We utilize a Monte Carlo approach to simulate the trajectories of emitted photons transmitting in water from the transmitter towards the receiver. Based on propagation delay results, we first determine a proper value for the bit period to avoid intersymbol interference as a result of possible multiple scattering events. Then, based on the angle of arrival of the received photons, we determine a proper field of view to limit the average number of received background noise. Finally, we determine the optimal value for the single photon avalanche diode gate time in the sense of minimizing the QBER for the selected system parameters and given propagation environment.
DOI 10.1364/JOSAB.451237
Cilt 39
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On the optimization of underwater quantum key distribution systems with time-gated SPADs

Author Raouf, Amir Hossein Fahim, Uysal, Murat
Publication Date 2022-08-01
Publication Place - Optica Publishing Group
Type Periodical
Language English
Digital Yes
Manuscript No
Library Özyeğin University
Library Asset ID 0740-3224
Record ID 7d9a9ebe-76ea-4fae-b080-494cf02259c3
Library Location Electrical & Electronics Engineering
Date 2022-08-01
Sample Text In this paper, we study the effect of various transmitter and receiver parameters on the quantum bit error rate (QBER) performance of underwater quantum key distribution. We utilize a Monte Carlo approach to simulate the trajectories of emitted photons transmitting in water from the transmitter towards the receiver. Based on propagation delay results, we first determine a proper value for the bit period to avoid intersymbol interference as a result of possible multiple scattering events. Then, based on the angle of arrival of the received photons, we determine a proper field of view to limit the average number of received background noise. Finally, we determine the optimal value for the single photon avalanche diode gate time in the sense of minimizing the QBER for the selected system parameters and given propagation environment.
DOI 10.1364/JOSAB.451237
Cilt 39
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