Print Email Facebook Twitter A reconfigurable cryogenic platform for the classical control of quantum processors Title A reconfigurable cryogenic platform for the classical control of quantum processors Author Homulle, Harald (TU Delft OLD QCD/Charbon Lab) Visser, Stefan Patra, B (TU Delft OLD QCD/Charbon Lab) Ferrari, Giorgio (Politecnico di Milano) Prati, Enrico (Istituto di Fotonica e Nanotecnologie) Sebastiano, F. (TU Delft (OLD)Applied Quantum Architectures) Charbon-Iwasaki-Charbon, E. (TU Delft (OLD)Applied Quantum Architectures; TU Delft OLD QCD/Charbon Lab) Date 2017-04-01 Abstract The implementation of a classical control infrastructure for large-scale quantum computers is challenging due to the need for integration and processing time, which is constrained by coherence time. We propose a cryogenic reconfigurable platform as the heart of the control infrastructure implementing the digital error-correction control loop. The platform is implemented on a field-programmable gate array (FPGA) that supports the functionality required by several qubit technologies and that can operate close to the physical qubits over a temperature range from 4 K to 300 K. This work focuses on the extensive characterization of the electronic platform over this temperature range. All major FPGA building blocks (such as look-up tables (LUTs), carry chains (CARRY4), mixed-mode clock manager (MMCM), phase-locked loop (PLL), block random access memory, and IDELAY2 (programmable delay element)) operate correctly and the logic speed is very stable. The logic speed of LUTs and CARRY4 changes less then 5%, whereas the jitter of MMCM and PLL clock managers is reduced by 20%. The stability is finally demonstrated by operating an integrated 1.2 GSa/s analog-to-digital converter (ADC) with a relatively stable performance over temperature. The ADCs effective number of bits drops from 6 to 4.5 bits when operating at 15 K. To reference this document use: http://resolver.tudelft.nl/uuid:b041348a-29d8-4dc7-8343-f29412a46d87 DOI https://doi.org/10.1063/1.4979611 ISSN 0034-6748 Source Review of Scientific Instruments, 88 (4), 1-9 Part of collection Institutional Repository Document type journal article Rights © 2017 Harald Homulle, Stefan Visser, B Patra, Giorgio Ferrari, Enrico Prati, F. Sebastiano, E. Charbon-Iwasaki-Charbon Files PDF 1.4979611.pdf 2.22 MB Close viewer /islandora/object/uuid:b041348a-29d8-4dc7-8343-f29412a46d87/datastream/OBJ/view