8 papers
Programmable non-Gaussian quantum light source with state and temporal-waveform tunability
Hiroko Tomoda, Yu Nishizawa, Akihiro Machinaga +7
A versatile quantum light source capable of programmably generating a variety of quantum light is a key enabler for photonic quantum technologies. In particular, independent contro…
Environment-Assisted Decoherence Suppression of Optical Non-Gaussian States
Akihiro Machinaga, Naoki Aritomi, Ryoga Sakurada +10
Optical loss is a common bottleneck in photonic quantum information processing, undermining the quantum advantage over classical approaches. Although several countermeasures, such…
Systematic construction of digital autonomous quantum error correction for state preparation and error suppression via conditional Gaussian operations
Keitaro Anai, Suguru Endo, Shuntaro Takeda +1
In continuous-variable quantum computing, autonomous quantum error correction (QEC) can dissipatively steer a noisy quantum state into a target state or manifold, enabling robust q…
Unitary-transformed projective squeezing: applications for circuit-knitting and state-preparation of non-Gaussian states
Keitaro Anai, Yasunari Suzuki, Yuuki Tokunaga +3
Continuous-variable (CV) quantum computing is a promising candidate for quantum computation because it can, even with one mode, utilize infinite-dimensional Hilbert spaces and can…
Sequential and Programmable Squeezing Gates for Optical Non-Gaussian Input States
Takato Yoshida, Daichi Okuno, Takahiro Kashiwazaki +6
Quantum computing has been pursued with various hardware platforms, and an optical system is one of the most reasonable choices for large-scale computation. In the optical continuo…
Boosting the generation rate of squeezed single-photon states by generalized photon subtraction
Hiroko Tomoda, Akihiro Machinaga, Kan Takase +9
In optical quantum information processing with continuous variables, optical non-Gaussian quantum states are essential for universal and fault-tolerant quantum computation. Experim…