A critical challenge in develo** scalable quantum systems is correcting the accumulation
of errors while performing operations and measurements. It is known that systems where …

By applying a microwave drive to a specially designed Josephson circuit, we have realized
a double-well model system: a Kerr oscillator submitted to a squeezing force. We have …

Schrödinger cat states, quantum superpositions of macroscopically distinct classical states,
are an important resource for quantum communication, quantum metrology and quantum …

Storing quantum information for an extended period of time is essential for running quantum
algorithms with low errors. Currently, superconducting quantum memories have coherence …

Quantum bits (qubits) are prone to several types of error as the result of uncontrolled
interactions with their environment. Common strategies to correct these errors are based on …

The Kerr-cat qubit is a bosonic qubit in which multiphoton Schrödinger cat states are
stabilized by applying a two-photon drive to an oscillator with a Kerr nonlinearity. The …

We propose an autonomous quantum error correction scheme using squeezed cat (SC)
code against excitation loss in continuous-variable systems. Through reservoir engineering …

The detection of microwave fields at single-photon power levels is a much-sought-after
technology, with practical applications in nanoelectronics and quantum information science …

Cat qubits provide appealing building blocks for quantum computing. They exhibit a tunable
noise bias yielding an exponential suppression of bit flips with the average photon number …

The main obstacle to large scale quantum computing are the errors present in every
physical qubit realization. Correcting these errors requires a large number of additional …