activity
20142022
most citedImplementation of a quantum cubic gate by adaptive non-Gaussian measurement

125 citations · 375 across the 7 of their papers we have counts for

collaborators

7 papers

quant-ph2022★ 44 cited

Nonlinear feedforward enabling quantum computation

Atsushi Sakaguchi, Shunya Konno, Fumiya Hanamura +9

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

physics.optics2021★ 20 cited

10 W injection-locked single-frequency continuous-wave titanium:sapphire laser

Tetsushi Takano, Hisashi Ogawa, Chiaki Ohae +1

High-power tunable lasers with good longitudinal and transverse modes are fundamental tools for exploring quantum physics. Here we report a high-power continuous-wave injection-loc…

quant-ph2020★ 32 cited

Nonlinear squeezing for measurement-based non-Gaussian operations in time domain

Shunya Konno, Atsushi Sakaguchi, Warit Asavanant +6

Quantum non-Gaussian gate is a missing piece to the realization of continuous-variable universal quantum operations in the optical system. In a measurement-based implementation of…

quant-ph2017★ 58 cited

General implementation of arbitrary nonlinear quadrature phase gates

Petr Marek, Radim Filip, Hisashi Ogawa +4

We propose general methodology of deterministic single-mode quantum interaction nonlinearly modifying single quadrature variable of a continuous variable system. The methodology is…

quant-ph2015★ 125 cited

Implementation of a quantum cubic gate by adaptive non-Gaussian measurement

Kazunori Miyata, Hisashi Ogawa, Petr Marek +4

We present a concept of non-Gaussian measurement composed of a non-Gaussian ancillary state, linear optics and adaptive heterodyne measurement, and on the basis of this we also pro…

quant-ph2015★ 48 cited

Real-Time Quadrature Measurement of a Single-Photon Wavepacket with Continuous Temporal-Mode-Matching

Hisashi Ogawa, Hideaki Ohdan, Kazunori Miyata +5

Real-time controls based on quantum measurements are powerful tools for various quantum protocols. However, their experimental realization have been limited by mode-mismatch betwee…

quant-ph2014★ 48 cited

Experimental realization of a dynamic squeezing gate

Kazunori Miyata, Hisashi Ogawa, Petr Marek +4

Squeezing is a nonlinear Gaussian operation that is the key component in construction of other nonlinear Gaussian gates. In our implementation of the squeezing gate, the amount and…