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Silicon Photonics for Harsh Environments
/ Alfiero, Daniele (CERN ; Birmingham U.) ; Baron, Sophie (CERN) ; Baszczyk, Mateusz (CERN) ; Biereigel, Stefan (CERN) ; Détraz, Stéphane (CERN) ; Klekotko, Adam (CERN) ; Kulis, Szymon (CERN) ; Martina, Francesco (CERN) ; Moreira, Paulo (CERN) ; Olanterä, Lauri (CERN) et al.
We report the qualification of Silicon Photonics technology for deployment in the low temperature and high radiation environments of high energy physics experiments. This work is also applicable to satellite communications systems..
2025 - 3 p.
- Published in : : 5 (2025) , no. 2025, pp. W2A.3
External links: Fulltext; Fulltext
In : Optical Fiber Communications Conference and Exhibition (OFC 2025), San Francisco, United States, 30 Mar - 2 Apr 2025, pp.W2A.3
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Understanding Inductor-Originated Single-Event Frequency Transients in CMOS LC -Tank Oscillators: Causes, Effects, and System Impacts
/ Adom-Bamfi, Gideon (Leuven U.) ; Ma, Qichao (Leuven U.) ; Biereigel, Stefan (CERN) ; Leroux, Paul (Leuven U.) ; Prinzie, Jeffrey (Leuven U.)
Single-event frequency transients (SEFTs) in integrated complementary metal oxide semiconductor (CMOS) LC-tank voltage-controlled oscillator (VCO) and digitally-controlled oscillator (DCO), widely used in frequency synthesizer circuits, have recently been observed and linked to single-event effects (SEEs) in on-chip planar spiral inductors. This work provides an explanation of the underlying causes of these transients, presenting, for the first time, a general model to characterize their behavior and examine their system-level impact. [...]
2025 - 13 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 1876-1888
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Optimisation and validation of power delivery networks for multi-gigabit data links
/ Martina, F (CERN ; INFN, Lecce) ; Biereigel, S (CERN) ; Baron, S (CERN) ; Baszczyk, M (CERN) ; Klekotko, A (CERN ; Leuven U.) ; Kulis, S (CERN) ; Moreira, P (CERN) ; Soos, C (CERN)
The performance of ASICs for high-bandwidth communications is heavily influenced by the interconnection with the hosting module and paired devices, including the bonding scheme and the PCB layout. The recent validation campaign of the 25.6 Gbps DART28 transmitter has highlighted that a coordinated simulation and design of the power delivery network is required to achieve satisfactory performance. [...]
2025 - 7 p.
- Published in : JINST
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2024, Glasgow, United Kingdom, 30 Sep - 4 Oct 2024, pp.C02045
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First results of an evaluation of $^{100}$Gb/s Ethernet as a future HEP readout link
/ Stümpert, Valentin (CERN ; KIT, Karlsruhe, IPE) ; Klekotko, Adam (CERN ; Leuven U.) ; Perro, Alberto (CERN ; Aix-Marseille U.) ; Sigaud, Christophe Gabriel (CERN) ; Montesinos, Daniel Hernandez (CERN) ; Martina, Francesco (CERN) ; Vichoudis, Paschalis (CERN) ; Baron, Sophie (CERN) ; Biereigel, Stefan (CERN)
This work presents first results from a feasibility study to qualify commercial 100 Gb/s Ethernet as a readout link for future high-energy physics detectors. The motivation for this work is to examine the possibility of reading out future detector front-ends directly via commercial, high bandwidth, cost-optimized data centers, without the need of the intermediate custom-link/hardware layer used for this purpose thus far. [...]
2025 - 7 p.
- Published in : JINST
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2024, Glasgow, United Kingdom, 30 Sep - 4 Oct 2024, pp.C02024
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lpGBT: Low-Power Radiation-Hard Multipurpose High-Speed Transceiver ASIC for High-Energy Physics Experiments
/ Moreira, Paulo (CERN) ; Kulis, Szymon (CERN) ; Baron, Sophie (CERN) ; Biereigel, Stefan (CERN) ; Mendes, Eduardo Brandao De Souza (CERN) ; Matos-Carvalho, João P (New Lisbon U.) ; Faes, Bram (Leuven U.) ; Firlej, Miroslaw (AGH-UST, Cracow) ; Fiutowski, Tomasz (AGH-UST, Cracow) ; Fonseca, Jose (CERN) et al.
Commissioning of detector systems for the high-luminosity large Hadron collider (HL-LHC) is scheduled to take place between 2026 and 2028 at CERN. Application-specific integrated circuits (ASICs) for those systems have been in intense development over the past ten years. [...]
2025 - 14 p.
- Published in : IEEE Trans. Nucl. Sci. 72 (2025) 24-37
Fulltext: PDF;
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A Radiation-Tolerant 25.6-Gb/s High-Speed Transmitter in 28-nm CMOS With a Tolerance of 1 Grad
/ Klekotko, A (CERN ; Leuven U.) ; Biereigel, S (CERN) ; Baszczyk, M (CERN) ; Moreira, P (CERN) ; Martina, F (CERN) ; Prinzie, J (Leuven U.) ; Kulis, S (Leuven U.)
This article presents a 25.6-Gbit $\cdot $ s−1 high-speed transmitter (HST) manufactured using 28-nm CMOS technology. The HST macroblock includes an all-digital phase-locked loop (ADPLL), duty cycle corrector (DCC) circuit, data pattern generator, serializer, and a driver capable of driving the differential 100- $\Omega $ line as well as a silicon photonics (SiPh) ring modulator (RM). [...]
2024 - 9 p.
- Published in : IEEE Trans. Nucl. Sci. 71 (2024) 2124-2132
Fulltext: PDF;
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Overview of the production and qualification tests of the lpGBT
/ Hernandez Montesinos, D (CERN) ; Baron, S (CERN) ; Biereigel, S (CERN) ; Hazell, P (CERN) ; Kulis, S (CERN) ; Vicente Leitao, P (CERN) ; Moreira, P (CERN) ; Porret, D (CERN) ; Wyllie, K (CERN)
The Low-Power Gigabit Transceiver (lpGBT) is a radiation-tolerant ASIC used in high-energy physics experiments for multipurpose high-speed bidirectional serial links. Around 200,000 chips have been tested with a production test system capable of exercising the majority of the ASIC functionality to ensure its correct operation.Furthermore, specific individual qualification tests were carried out beyond the production tester limits, including radiation, multi-drop bus topology, inter-chip communication through different types of electrical links and characterization of jitter and stability of the recovered clocks.In this article, an overview of the production and qualification tests is given together with their results demonstrating the robustness and flexibility of the lpGBT..
2024 - 8 p.
- Published in : JINST
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2023 (TWEPP 2023), Geremeas, Sardinia, Italy, 1 - 6 Oct 2023, pp.C04048
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