Microphotonics devices based on silicon microfabrication technology

Tai Tsuchizawa, Koji Yamada, Hiroshi Fukuda, +7

IEEE Journal of Selected Topics in Quantum Electronics

WaveguidesEngineeringMicro-optical ComponentProgrammable PhotonicsMicromachines +17

Low loss mode size converter from 0.3 µm square Si wire waveguides to singlemode fibres

Tetsufumi Shoji, Tai Tsuchizawa, T. Watanabe, +2

Electronics Letters

Spectrophotometric determination of a nanomolar amount of ascorbic acid using its catalytic effect on copper(II) porphyrin formation

Masaaki Tabata, Hirofumi Morita

Talanta

Ascorbic AcidChemical EngineeringChemical MeasurementEngineeringCatalytic Effect +4

Dissociation of Hemopoietic Chimerism and Allograft Tolerance After Allogeneic Bone Marrow Transplantation

Akihisa Umemura, Hirofumi Morita, Steven R. Tahan, +2

The Journal of Immunology

Development of a transgenic tobacco plant for phytoremediation of methylmercury pollution

Takashi Nagata, Hirofumi Morita, Toshifumi Akizawa, +1

Applied Microbiology and Biotechnology

EngineeringBotanyEnvironmental EngineeringMethylmercury PollutionPhytoremediation +6

Improved line-defect structures for photonic-crystal waveguides with high group velocity

Koji Yamada, Hirofumi Morita, Akihiko Shinya, +1

Optics Communications

PhotonicsOptical MaterialsEngineeringPhysicsOptical Properties +8

Prolonged blastomere movement induced by the delay of pronuclear fading and first cell division adversely affects pregnancy outcomes after fresh embryo transfer on Day 2: a time-lapse study

Kenji Ezoe, Kazuki Ohata, Hirofumi Morita, +8

Reproductive BioMedicine Online

Developmental BiologyFertilityCell DivisionReproductive HealthMorphogenesis +10

Fabrication and evaluation of submicron-square Si wire waveguides with spot size converters

Tai Tsuchizawa, T. Watanabe, Emi Tamechika, +6

Electrical EngineeringSpot Size ConvertersEngineeringSi WaveguidePlanar Waveguide Sensor +7

Spot-size converter for low-loss coupling between 0.3-μm-square Si wire waveguides and single-mode fibers

Tetsufumi Shoji, Tai Tsuchizawa, T. Watanabe, +2

Electrical EngineeringLow-loss CouplingEngineeringSingle-mode FibersSi Wire Waveguides +6

Multi-beam mask writer MBM-1000 and its application field

Hiroshi Matsumoto, Hideo Inoue, Hiroshi Yamashita, +5

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Application FieldEngineeringBeam OpticResist SensitivityComputer Engineering +10