III-V/Si hybrid photonic devices by direct fusion bonding

Katsuaki Tanabe, Katsuyuki Watanabe, Yasuhiko Arakawa

Scientific Reports

Wide-bandgap SemiconductorEngineeringDirect Fusion BondingSemiconductor MaterialsOptoelectronic Devices +20

Fabrication of GaAs Quantum Dots by Modified Droplet Epitaxy

Katsuyuki Watanabe, Nobuyuki Koguchi, Yoshihiko Gotoh

Japanese Journal of Applied Physics

Materials ScienceWide-bandgap SemiconductorElectrical EngineeringEngineeringNanoelectronics +12

Room temperature continuous-wave lasing in photonic crystal nanocavity

Masahiro Nomura, Satoshi Iwamoto, Katsuyuki Watanabe, +4

Optics Express

Optical PumpingPhotonicsRoom TemperatureSpontaneous EmissionEngineering +11

All MBE grown InAs/GaAs quantum dot lasers on on-axis Si (001)

Jinkwan Kwoen, Bongyong Jang, Joohang Lee, +3

Optics Express

On-axis SiPhotonicsEngineeringQuantum DeviceApplied Physics +9

New Self-Organized Growth Method for InGaAs Quantum Dots on GaAs(001) Using Droplet Epitaxy

Takaaki Mano, Katsuyuki Watanabe, Shiro Tsukamoto, +3

Japanese Journal of Applied Physics

SemiconductorsIi-vi SemiconductorElectrical EngineeringOptical MaterialsEngineering +13

Thresholdless quantum dot nanolaser

Yasutomo Ota, Masahiro Kakuda, Katsuyuki Watanabe, +2

Optics Express

Quantum SciencePhotonicsThresholdless LasingEngineeringQuantum Computing +11

Nanoscale InGaAs concave disks fabricated by heterogeneous droplet epitaxy

Takaaki Mano, Katsuyuki Watanabe, Shiro Tsukamoto, +7

Applied Physics Letters

Materials ScienceDetailed Cross-sectional StructureIi-vi SemiconductorNanoscale IngaasEngineering +12

High-temperature continuous-wave operation of directly grown InAs/GaAs quantum dot lasers on on-axis Si (001)

Jinkwan Kwoen, Bongyong Jang, Katsuyuki Watanabe, +1

Optics Express

Quantum PhotonicsEngineeringIntegrated PhotonicsLaser ApplicationsOptoelectronic Devices +15

GaAs valley photonic crystal waveguide with light-emitting InAs quantum dots

Takuto Yamaguchi, Yasutomo Ota, Ryota Katsumi, +5

Applied Physics Express

PhotonicsEngineeringPhysicsIntegrated PhotonicsApplied Physics +11

Photoluminescence studies of GaAs quantum dots grown by droplet epitaxy

Katsuyuki Watanabe, Shiro Tsukamoto, Yoshihiko Gotoh, +1

Journal of Crystal Growth

PhotoluminescenceEngineeringPhysicsCompound SemiconductorApplied Physics +5