On-chip quantum interference between silicon photon-pair sources

Joshua W. Silverstone, Damien Bonneau, K. Ohira, +12

Nature Photonics

Quantum SciencePhotonicsOn-chip Quantum InterferenceEngineeringQuantum Computing +7

Quantum interference and manipulation of entanglement in silicon wire waveguide quantum circuits

Damien Bonneau, Erman Engin, K. Ohira, +11

New Journal of Physics

Cavitation flow instability of subcooled liquid nitrogen in converging–diverging nozzles

K. Ohira, Tadashi Nakayama, Takayoshi Nagai

Cryogenics

Cavitating FlowEngineeringHydrodynamic CavitationFluid MechanicsMechanical Engineering +4

Thermodynamic Effect on Cavitation Performances and Cavitation Instabilities in an Inducer

Kengo Kikuta, Yoshiki YOSHIDA, Mitsuo Watanabe, +3

Journal of Fluids Engineering

CavitationThermodynamic EffectLiquid NitrogenEngineeringCavitating Flow +9

Development of density and mass flow rate measurement technologies for slush hydrogen

K. Ohira

Cryogenics

Hydrogen Energy TechnologyEngineeringHydrogen TransitionEnvironmental EngineeringHydrogen Utilization +4

Ultrasonic imaging using signal post-processing for a flexible array transducer

Kazuyuki NAKAHATA, Sumio Tokumasu, Atsushi Sakai, +3

NDT & E International

Medical UltrasoundEngineeringUltrasonicsTransducer PrincipleAcoustic Propagation +4

Low-threshold and high-efficiency operation of distributed reflector lasers with width-modulated wirelike active regions

K. Ohira, T. Murayama, S. Tamura, +1

IEEE Journal of Selected Topics in Quantum Electronics

PhotonicsOptical MaterialsEngineeringDistributed FeedbackOptical Transmission System +10

Integrated numerical prediction of atomization process of liquid hydrogen jet

Jun Ishimoto, K. Ohira, K. Okabayashi, +1

Cryogenics

EngineeringPhysicsHydrogen TransitionGas DynamicNumerical Simulation +8

Stable single-mode operation of distributed feedback lasers with wirelike active regions

K. Ohira, Nobuhiro Nunoya, Shigehisa Arai

IEEE Journal of Selected Topics in Quantum Electronics

PhotonicsWirelike Active RegionsEngineeringLaser ScienceDistributed Feedback +8

Study on the development of a capacitance-type flowmeter for slush hydrogen

K. Ohira, Kenji Nakamichi, Yuichi Kihara

Cryogenics

Fluid PropertiesEngineeringHydrogen TransitionFluid MechanicsFlow Measurement +4