Fabio Sebastiano

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Characterization and Compact Modeling of Nanometer CMOS Transistors at Deep-Cryogenic Temperatures

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

Cryogenic characterization and modeling of two nanometer bulk CMOS technologies (0.16-μm and 40-nm) are presented in this paper. Several devices from both technologies were extensively characterized at temperatures of 4 K and below. Based on a detailed und ...

2018

Quantum information density scaling and qubit operation time constraints of CMOS silicon-based quantum computer architectures

Edoardo Charbon, Fabio Sebastiano

Even the quantum simulation of an apparently simple molecule such as Fe2S2 requires a considerable number of qubits of the order of 106, while more complex molecules such as alanine (C3H7NO2) require about a hundred times more. In order to assess such a mu ...

2017

A reconfigurable cryogenic platform for the classical control of quantum processors

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

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 hea ...

2017

Characterization of bipolar transistors for cryogenic temperature sensors in standard CMOS

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

This paper presents the cryogenic characterization of the bipolar substrate PNPs that are typically employed as sensing elements in CMOS integrated temperature sensors. PNPs realized in a standard 160-nm CMOS technology were characterized over the temperat ...

2017

15.5 Cryo-CMOS circuits and systems for scalable quantum computing

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

Quantum computing holds the promise to achieve unprecedented computation power and to solve problems today intractable. State-of-the-art quantum processors consist of arrays of quantum bits (qubits) operating at a very low base temperature, typically a few ...

2017

Cryogenic CMOS interfaces for quantum devices

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

Quantum computers could efficiently solve problems that are intractable by today's computers, thus offering the possibility to radically change entire industries and revolutionize our lives. A quantum computer comprises a quantum processor operating at cry ...

2017

Cryo-CMOS Circuits and Systems for Quantum Computing Applications

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

A fault-tolerant quantum computer with millions of quantum bits (qubits) requires massive yet very precise control electronics for the manipulation and readout of individual qubits. CMOS operating at cryogenic temperatures down to 4 K (cryo-CMOS) allows fo ...

2017

Cryo-CMOS Electronic Control for Scalable Quantum Computing

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

Quantum computers1 could revolutionize computing in a profound way due to the massive speedup they promise. A quantum computer comprises a cryogenic quantum processor and a classical electronic controller. When scaling up the cryogenic quantum processor to ...

2017

Cryo-CMOS for quantum computing

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

Cryogenic CMOS, or cryo-CMOS circuits and systems, are emerging in VLSI design for many applications, in primis quantum computing. Fault-tolerant quantum bits (qubits) in surface code configurations, one of the most accepted implementations in quantum comp ...

2017

Nanometer CMOS characterization and compact modeling at deep-cryogenic temperatures

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

The characterization of nanometer CMOS transistors of different aspect ratios at deep-cryogenic temperatures (4 K and 100 mK) is presented for two standard CMOS technologies (40 nm and 160 nm). A detailed understanding of the device physics at those temper ...

2017

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Characterization and Compact Modeling of Nanometer CMOS Transistors at Deep-Cryogenic Temperatures

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

2018

Quantum information density scaling and qubit operation time constraints of CMOS silicon-based quantum computer architectures

Edoardo Charbon, Fabio Sebastiano

2017