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Online Convex Optimization of Programmable Quantum Computers to Simulate Time-Varying Quantum Channels
Hari Hara Suthan Chittoor, Osvaldo Simeone, Leonardo Banchi +1
Simulating quantum channels is a fundamental primitive in quantum computing, since quantum channels define general (trace-preserving) quantum operations. An arbitrary quantum chann…
Quantum-enhanced cluster detection in physical images
Jason L. Pereira, Leonardo Banchi, Stefano Pirandola
Identifying clusters in data is an important task in many fields. In this paper, we consider situations in which data live in a physical world, so we have to first collect the imag…
Robustness of a universal gate set implementation in transmon systems via Chopped Random Basis optimal control
Hervè Atsè Corti, Leonardo Banchi, Alessandro Cidronali
We numerically study the implementation of a universal two-qubit gate set, composed of CNOT, Hadamard, phase and gates, for transmon-based systems. The control signals to imp…
Scalable and Programmable Phononic Network with Trapped Ions
Wentao Chen, Yao Lu, Shuaining Zhang +9
Controllable bosonic systems can provide post-classical computational power with sub-universal quantum computational capability. A network that consists of a number of bosons evolv…
Analytical bounds for non-asymptotic asymmetric state discrimination
Jason L. Pereira, Leonardo Banchi, Stefano Pirandola
Two types of errors can occur when discriminating pairs of quantum states. Asymmetric state discrimination involves minimizing the probability of one type of error, subject to a co…
First design of a superconducting qubit for the QUB-IT experiment
Danilo Labranca, Hervè Atsè Corti, Leonardo Banchi +5
Quantum sensing is a rapidly growing field of research which is already improving sensitivity in fundamental physics experiments. The ability to control quantum devices to measure…
Learning Quantum Systems
Valentin Gebhart, Raffaele Santagati, Antonio Andrea Gentile +7
The future development of quantum technologies relies on creating and manipulating quantum systems of increasing complexity, with key applications in computation, simulation and se…
Ion Trap Long-Range XY Model for Quantum State Transfer and Optimal Spatial Search
Dylan Lewis, Leonardo Banchi, Yi Hong Teoh +2
Linear ion trap chains are a promising platform for quantum computation and simulation. The XY model with long-range interactions can be implemented with a single side-band Molmer-…