27 citations · 51 across the 12 of their papers we have counts for
14 papers
Quantum Circuit Pruning: From NISQ Architectures to Fault-Tolerant Operations
Pau Escofet, Carmen G. Almudéver, Sergi Abadal +1
We present a routing-aware pruning strategy for quantum circuits that selectively removes parametric two-qubit gates whose computational contribution is outweighed by the fidelity…
Weighted Quantum Signal Processing: Low-Depth Polynomial Approximation with Applications to Kolmogorov-Arnold Networks
Rohit Sarma Sarkar, Rupayan Bhattacharjee, Elias F. Combarro +5
Quantum Signal Processing is a powerful quantum framework for generating and approximating univariate polynomials. However, QSP is often limited by circuit-depth bottlenecks and pa…
Transversal Gates and Magic State Distillation in an Optimally Synthesized Spin-Qubit Shuttling Bus
Pau Escofet, Andrii Semenov, Niall Murphy +4
Fault-tolerant quantum computing requires not only reliable logical qubit storage, but also the ability to perform high-fidelity logical operations between error-corrected qubits a…
Energy efficiency of quantum computers
Miquel Carrasco-Codina, Pau Escofet, Paul Hilaire +13
How much energy does a quantum computer consume? Are they more efficient than their classical counterparts? In this work, we make a step towards answering these questions. We defin…
Quantum Circuit Pruning: Improving Fidelity via Compilation-Aware Circuit Approximation
Pau Escofet, Santiago Rodrigo, Rohit Sarma Sarkar +3
This work presents a routing-aware pruning strategy for quantum circuits executed on Noisy Intermediate-Scale Quantum (NISQ) devices. We propose a method to remove parametric contr…
Assessing the Role of Communication in Modular Multi-Core Quantum Systems
Maurizio Palesi, Enrico Russo, Giuseppe Ascia +8
The scalability of quantum computing is constrained by the physical and architectural limitations of monolithic quantum processors. Modular multi-core quantum architectures, which…
Synthesizing an Optimal Spin Qubit Shuttling Bus Architecture for the Surface Code
Pau Escofet, Eduard Alarcón, Sergi Abadal +4
As quantum computers scale toward millions of physical qubits, it becomes essential to robustly encode individual logical qubits to ensure fault tolerance under realistic noise. A…
Accurate and Scalable Simulation of Cavity-Based Networks in Modular Quantum Architectures
Sahar Ben Rached, Zezhou Sun, Guilu Long +4
Cavity-mediated interconnects are a promising platform for scaling modular quantum computers by enabling high-fidelity inter-chip quantum state transmission and entanglement genera…
Modeling Quantum Links for the Exploration of Distributed Quantum Computing Systems
Sahar Ben Rached, Zezhou Sun, Junaid Khan +5
Quantum computing offers the potential to solve certain complex problems, yet, scaling monolithic processors remains a major challenge. Modular and distributed architectures are pr…
An Accurate and Efficient Analytic Model of Fidelity Under Depolarizing Noise Oriented to Large Scale Quantum System Design
Pau Escofet, Santiago Rodrigo, Artur Garcia-Sáez +3
Fidelity is one of the most valuable and commonly used metrics for assessing the performance of quantum circuits on error-prone quantum processors. Several approaches have been pro…
Compilation Techniques for Spin Qubits in a Shuttling Bus Architecture
Pau Escofet, Andrii Semenov, Niall Murphy +4
In this work, we explore and propose several quantum circuit mapping strategies to optimize qubit shuttling in scalable quantum computing architectures based on silicon spin qubits…
Route-Forcing: Scalable Quantum Circuit Mapping for Scalable Quantum Computing Architectures
Pau Escofet, Alejandro Gonzalvo, Eduard Alarcón +2
Quantum computers are expected to scale in size to close the gap that currently exists between quantum algorithms and quantum hardware. To this end, quantum compilation techniques…
Revisiting the Mapping of Quantum Circuits: Entering the Multi-Core Era
Pau Escofet, Anabel Ovide, Medina Bandic +6
Quantum computing represents a paradigm shift in computation, offering the potential to solve complex problems intractable for classical computers. Although current quantum process…
Characterizing the Inter-Core Qubit Traffic in Large-Scale Quantum Modular Architectures
Sahar Ben Rached, Isaac Lopez Agudo, Santiago Rodrigo +6
Modular quantum processor architectures are envisioned as a promising solution for the scalability of quantum computing systems beyond the Noisy Intermediate Scale Quantum (NISQ) d…