activity
19982026
most citedBeyond the Jaynes-Cummings model: circuit QED in the ultrastrong coupling regime

1.3k citations · 7.5k across the 88 of their papers we have counts for

collaborators

85 papers

quant-ph2026

Programmable Coherent Memory Kernels for Quantum Reservoir Computing in Waveguide QED

Hong Jiang, Yu Wu, Yue Ban +2

Reservoir computing requires not only long memory, but also memory distributed over the timescales relevant to a given task. In most quantum reservoir computing architectures, howe…

quant-ph2025★ 3 cited

Low crosstalk modular flip-chip architecture for coupled superconducting qubits

Soeren Ihssen, Simon Geisert, Gabriel Jauma +10

We present a flip-chip architecture for an array of coupled superconducting qubits, in which circuit components reside inside individual microwave enclosures. In contrast to other…

quant-ph2023

Single-ion optical autocorrelator

M. I. Hussain, M. Guevara-Bertsch, E. Torrontegui +3

Well isolated quantum systems are exquisite sensors of electromagnetic fields. In this work, we use a single trapped ion for characterizing chirped ultraviolet (UV) picosecond lase…

quant-ph2020★ 11 cited

Ultra-fast two-qubit ion gate using sequences of resonant pulses

E. Torrontegui, D. Heinrich, M. I. Hussain +2

We propose a new protocol to implement ultra-fast two-qubit phase gates with trapped ions using spin-dependent kicks induced by resonant transitions. By only optimizing the allocat…

quant-ph2020★ 63 cited

Experimental reconstruction of the few-photon nonlinear scattering matrix from a single quantum dot in a nanophotonic waveguide

Hanna Le Jeannic, Tomás Ramos, Signe F. Simonsen +8

Coherent photon-emitter interfaces offer a way to mediate efficient nonlinear photon-photon interactions, much needed for quantum information processing. Here we experimentally stu…

quant-ph2019★ 11 cited

Qubit-photon corner states in all dimensions

Adrian Feiguin, Juan Jose Garcia-Ripoll, Alejandro Gonzalez-Tudela

A single quantum emitter coupled to a one-dimensional photon field can perfectly trap a photon when placed close to a mirror. This occurs when the interference between the emitted…