Search for solar axions with mass around 1 eV using coherent conversion of axions into photons

Yoshiyuki Inoue, Yutaro Akimoto, Ryuichi Ohta, +3

Physics Letters B

Ultralow mode-volume photonic crystal nanobeam cavities for high-efficiency coupling to individual carbon nanotube emitters

R. Miura, S. Imamura, Ryuichi Ohta, +6

Nature Communications

PhotonicsPhotoluminescenceEngineeringPhysicsCavity Qed +10

Strong coupling between a photonic crystal nanobeam cavity and a single quantum dot

Ryuichi Ohta, Yasutomo Ota, Masahiro Nomura, +4

Applied Physics Letters

Quantum PhotonicsEngineeringCavity QedStrong CouplingCavity Decay Rate +17

Limit cycles and bifurcations in a nonlinear MEMS resonator with a 1:3 internal resonance

Samer Houri, Daiki Hatanaka, Motoki Asano, +2

Applied Physics Letters

Internal ResonanceLimit CyclesElectrical EngineeringEngineeringPhysics +9

Large vacuum Rabi splitting between a single quantum dot and an H0 photonic crystal nanocavity

Yasutomo Ota, Daisaku Takamiya, Ryuichi Ohta, +4

Applied Physics Letters

Coupled SystemQuantum PhotonicsOptical MaterialsEngineeringCavity Qed +21

Vacuum Rabi Spectra of a Single Quantum Emitter

Yasutomo Ota, Ryuichi Ohta, Naoto Kumagai, +2

Physical Review Letters

Quantum SciencePhotonicsQuantum PhotonicsEngineeringQuantum Computing +9

Cavity-less on-chip optomechanics using excitonic transitions in semiconductor heterostructures

Hajime Okamoto, Takayuki Watanabe, Ryuichi Ohta, +4

Nature Communications

Rare-Earth-Mediated Optomechanical System in the Reversed Dissipation Regime

Ryuichi Ohta, Loïc Herpin, V. M. Bastidas, +3

Physical Review Letters

Optimal mixture of randomly dispersed quantum dots for optical excitation transfer via optical near-field interactions

Makoto Naruse, Tadashi Kawazoe, Ryuichi Ohta, +2

Physical Review B

PhotonicsQuantum OpticOptical MaterialsEngineeringPhysics +13

The Tokyo axion helioscope

Ryuichi Ohta, Yutaro Akimoto, Yoshiyuki Inoue, +6

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment

Tokyo Axion HelioscopeAstronomical Coordinate SystemSynchrotron Radiation