Charge qubit

Formal sciences
Theoretical computer science
Theory of computation
Quantum computing

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Reversible Pebble Games For Reducing Qubits In Hierarchical Quantum Circuit Synthesis

Giovanni De Micheli, Mathias Soeken, Anupam Chattopadhyay, Debjyoti Bhattacharjee

Hierarchical reversible logic synthesis can find quantum circuits for large combinational functions. The price for a better scalability compared to functional synthesis approaches is the requirement for many additional qubits to store temporary results of ...

IEEE2019

Local control theory for superconducting qubits

Ivano Tavernelli, Sara Bonella

In this work, we develop a method to design control pulses for fixed-frequency superconducting qubits coupled via tunable couplers based on local control theory, an approach commonly employed to steer chemical reactions. Local control theory provides an al ...

AMER PHYSICAL SOC2019

The electronic interface for quantum processors

Edoardo Charbon, Fabio Sebastiano

Quantum computers can potentially provide an unprecedented speed-up with respect to traditional computers. However, a significant increase in the number of quantum bits (qubits) and their performance is required to demonstrate such quantum supremacy. While ...

ELSEVIER SCIENCE BV2019

SPINE (SPIN Emulator) - A Quantum-Electronics Interface Simulator

Edoardo Charbon, Fabio Sebastiano

A quantum computer comprises a quantum processor and the associated control electronics used to manipulate the qubits at the core of a quantum processor. CMOS circuits placed close to the quantum bits and operating at cryogenic temperatures offer the best ...

IEEE2019

Benefits and Challenges of Designing Cryogenic CMOS RF Circuits for Quantum Computers

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

Accurate and low-noise generation and amplification of microwave signals are required for the manipulation and readout of quantum bits (qubits). A fault-tolerant quantum computer operates at deep cryogenic temperatures (i.e.,

IEEE2019

Low-temperature growth of n(++)-GaN by metalorganic chemical vapor deposition to achieve low-resistivity tunnel junctions on blue light emitting diodes

Nicolas Grandjean, Jean-François Carlin, Pirouz Sohi, Yao Chen, Mauro Mosca

We report on low-resistivity GaN tunnel junctions (TJ) on blue light-emitting diodes (LEDs). Si-doped n(++)-GaN layers are grown by metalorganic chemical vapor deposition directly on LED epiwafers. Low growth temperature (

IOP PUBLISHING LTD2019

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Low-temperature growth of n(++)-GaN by metalorganic chemical vapor deposition to achieve low-resistivity tunnel junctions on blue light emitting diodes

Nicolas Grandjean, Jean-François Carlin, Pirouz Sohi, Yao Chen, Mauro Mosca

IOP PUBLISHING LTD2019

Local control theory for superconducting qubits

Ivano Tavernelli, Sara Bonella

AMER PHYSICAL SOC2019

The electronic interface for quantum processors

Edoardo Charbon, Fabio Sebastiano

ELSEVIER SCIENCE BV2019