A large-scale wavelength routing optical switch for data center networks

Ken-ichi Sato, Hiroshi Hasegawa, T. Niwa, +1

IEEE Communications Magazine

Free-space Optical NetworkPhotonicsOptical SwitchEngineeringOptical Networks +7

Influence of humidity on refractive index of polymers for optical waveguide and its temperature dependence

Toshio Watanabe, Naoki Ooba, Y. Hida, +1

Applied Physics Letters

Optical MaterialsEngineeringTemperature DependencePolymersPolymer Material +20

Compact PLC-based Transponder Aggregator for Colorless and Directionless ROADM

Toshio Watanabe, Kenya Suzuki, Takashi Goh, +6

Industrial ElectronicsTunable Filter ArrayEngineeringPlc TechnologyComputer Engineering +5

Silica-based PLC Transponder Aggregators for Colorless, Directionless, and Contentionless ROADM

Toshio Watanabe, Kenya Suzuki

Optical Fiber Communication Conference

System On ChipElectrical EngineeringContentionless RoadmEngineeringDevice Integration +8

Quasi-phase-matched second harmonic generation in a polymer waveguide with a periodic poled structure

Satoru Tomaru, Toshio Watanabe, Makoto Hikita, +5

Applied Physics Letters

PhotonicsOptical MaterialsPoled PolymerEngineeringPolymer Waveguide +11

Experimental demonstration of multi-degree colorless, directionless, contentionless ROADM for 127-Gbit/s PDM-QPSK transmission system

Yohei Sakamaki, Takeshi Kawai, Tetsuro Komukai, +4

Optics Express

Free-space Optical NetworkPhotonicsContentionless RoadmMulti-degree Roadm NodeEngineering +13

A novel large-scale OXC architecture and an experimental system that utilizes wavelength path switching and fiber selection

Toshinori Ban, Hiroshi Hasegawa, Ken-ichi Sato, +2

Optics Express

EngineeringOptical Transmission SystemFiber SelectionOptical Wireless CommunicationFiber Optics +15

Vertically stacked coupler and serially grafted waveguide: Hybrid waveguide structures formed using an electro-optic polymer

Toshio Watanabe, Makoto Hikita, Michiyuki Amano, +2

Journal of Applied Physics

WaveguidesOptical MaterialsWaveguide StructureEngineeringOptoelectronic Devices +18

8 × 8 wavelength cross connect with add/drop ports integrated in spatial and planar optical circuit

Naru Nemoto, Yuichiro Ikuma, Kenya Suzuki, +3

EngineeringPlanar Optical CircuitWavelength Cross ConnectFiber Optics× 8 +15

Spatial beam transformer for wavelength selective switch consisting of silica-based planar lightwave circuit

Kazunori Seno, Kenya Suzuki, Naoki Ooba, +3

PhotonicsSpatial Beam TransformerWavelength Selective SwitchEngineeringOptical Properties +8