A quantum computer attains computational advantage when outperforming the best
classical computers running the best-known algorithms on well-defined tasks. No photonic …

Realizing a large-scale quantum computer requires hardware platforms that can
simultaneously achieve universality, scalability, and fault tolerance. As a viable pathway to …

To harness the potential of a quantum computer, quantum information must be protected
against error by encoding it into a logical state that is suitable for quantum error correction …

In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

A continuous-wave (CW) broadband high-level optical quadrature squeezer is essential for
high-speed large-scale fault-tolerant quantum computing on a time-domain-multiplexed …

Measurement-based quantum computation with optical time-domain multiplexing is a
promising method to realize a quantum computer from the viewpoint of scalability. Fault …

Practical quantum computing requires robust encoding of logical qubits in physical systems
to protect fragile quantum information. Currently, the lack of scalability limits the logical …

The generation of a logical qubit called the Gottesman-Kitaev-Preskill (GKP) qubit in an
optical traveling wave is a major challenge for realizing large-scale universal fault-tolerant …

In the field of continuous-variable quantum information processing, non-Gaussian states
with negative values of the Wigner function are crucial for the development of a fault-tolerant …

The Gottesman-Kitaev-Preskill (GKP) qubit is a promising ingredient for fault-tolerant
quantum computation (FTQC) in optical continuous variables due to its advantage of noise …