Reflection high-energy electron-diffraction and photoemission spectroscopy study of GaAs(001) surface modified by Se adsorption

Shinichiro Takatani, T. Kikawa, Masatoshi Nakazawa

Physical review. B, Condensed matter

EngineeringSemiconductorsIi-vi SemiconductorChemical EngineeringElectron Spectroscopy +15

Analysis of Band Offset in GaNAs/GaAs by X-Ray Photoelectron Spectroscopy

T. Kitatani, Masahiko Kondow, T. Kikawa, +3

Japanese Journal of Applied Physics

SemiconductorsWide-bandgap SemiconductorElectrical EngineeringEnergy DiscontinuityEngineering +12

40-Gb/s Direct Modulation With High Extinction Ratio Operation of 1.3-$\mu$m InGaAlAs Multiquantum Well Ridge Waveguide Distributed Feedback Lasers

K. Nakahara, Tatsuhiro Tsuchiya, T. Kitatani, +5

IEEE Photonics Technology Letters

Feedback RidgePhotonicsFree-space Optical NetworkEngineering1.3-Mum Ingaalas +8

Evidence of Ga₂Se₃-Related Compounds on Se-Stabilized GaAs Surfaces

Shinichiro Takatani, A. Nakano, Kiyoshi Ogata, +1

Japanese Journal of Applied Physics

SemiconductorsMaterials ScienceSe AtomsIi-vi SemiconductorEngineering +12

Atomic hydrogen cleaning of GaAs and InP surfaces studied by photoemission spectroscopy

T. Kikawa, Isao Ochiai, Shinichiro Takatani

Surface Science

SemiconductorsSurface CharacterizationEngineeringPhysicsElectron Spectroscopy +11

12.5-Gb/s Direct Modulation Up to 115>tex<$^circrm C$>/tex<in 1.3->tex<$murm m$>/tex<InGaAlAs-MQW RWG DFB Lasers With Notch-Free Grating Structure

K. Nakahara, Tatsuhiro Tsuchiya, T. Kitatani, +8

Journal of Lightwave Technology

Free-space Optical NetworkPhotonicsEngineeringOptical Transmission SystemWavelength Tuning +9

An atomic model of the nitrous-oxide-nitrided SiO2/Si interface

Keiko Kushida-Abdelghafar, Kikuo Watanabe, T. Kikawa, +2

Journal of Applied Physics

EngineeringPhysicsNanoelectronicsNatural SciencesInterfacial Structure +12

High-power and highly reliable operation of Al-Free InGaAs-InGaAsP 0.98-μm lasers with a window structure fabricated by Si ion implantation

K. Hiramoto, M. Sagawa, T. Kikawa, +1

IEEE Journal of Selected Topics in Quantum Electronics

PhotonicsElectrical EngineeringEngineeringLaser ScienceSemiconductor Lasers +13

Passivation of InP-Based Heterostructure Bipolar Transistors in Relation to Surface Fermi Level

T. Kikawa, Shinichiro Takatani, HiroshiMasuda Tanoue

Japanese Journal of Applied Physics

Materials ScienceSurface Fermi LevelElectrical EngineeringEngineeringNanoelectronics +9

Ultrahigh-aspect-ratio SiO2 deeply etched periodic structures with smooth surfaces for photonics applications

Kazuhiko Hosomi, T. Kikawa, Shigeo Goto, +3

Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena

Optical MaterialsEngineeringOptoelectronic DevicesIntegrated CircuitsSilicon On Insulator +21