Linearly multiplexed Photon Number Resolving single-photon detectors array

被引：0
作者：
Limongi, Leonardo [1 ,2 ]
Martini, Francesco [3 ]
Ha Dao, Thu [4 ,5 ]
Gaggero, Alessandro [3 ]
Hasnaoui, Hamza [1 ]
Lopez-Gonzalez, Igor [1 ,2 ]
De Matteis, Fabio [3 ,4 ,5 ]
Quaranta, Alberto [1 ,6 ]
Salamon, Andrea [1 ,6 ]
Mattioli, Francesco [5 ]
Bernard, Martino [2 ]
Lobino, Mirko [1 ,6 ]
机构：
[1] Univ Trento, Dept Ind Engn, Via Sommarive 9, I-38123 Trento, Italy
[2] Bruno Kessler Fdn, Ctr Sensors & Devices, Via Sommarive 18, I-38123 Trento, Italy
[3] CNR IFN, Ist Foton & Nanotecnol, Via Fosso Cavaliere 100, I-00133 Rome, Italy
[4] Univ Roma Tor Vergata, Dept Ind Engn, Via Politecn 1, I-00133 Rome, Italy
[5] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Via Ric Sci, I-00133 Rome, Italy
[6] INFN TIFPA, Trento Inst Fundamental Phys & Applicat, Via Sommarive 14, I-38123 Trento, Italy
来源：
OPTICS COMMUNICATIONS | 2025年 / 575卷
关键词：
Photon Number Resolving Detector; Single-photon detector; Superconducting nanowire single-photon; detector; Lithium niobate-on-insulator; Niobium nitride; Photonic integrated circuit; Photonic chip; AVALANCHE PHOTODIODE; EFFICIENCY;
D O I：
10.1016/j.optcom.2024.131244
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Photon Number Resolving Detectors (PNRDs) are devices capable of measuring the number of photons present in an incident optical beam, enabling light sources to be measured and characterized at the quantum level. In this paper, we explore the performance and design considerations of a linearly multiplexed photon number- resolving single-photon detector array, integrated on a single mode waveguide. Our investigation focus on defining and analyzing the fidelity of such an array under various conditions and proposing practical designs for its implementation. Through theoretical analysis and numerical simulations, we show how propagation losses and dark counts may have a strong impact on the performance of the system and highlight the importance of mitigating these effects in practical implementations.
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页数：7
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