Research paperExperimental CharacterizationComputational OtherTheoretical17 GHz Lossless InP-Membrane Active MetasurfaceTaichiro Fukui, Kei Sumita, Hiroki Miyano, Go Soma et al.2025·10.1126/sciadv.aea3538·arXiv:2505.07072AbstractHigh-speed active metasurfaces enable spatiotemporal control of incident light within an ultra-thin layer, offering new possibilities for optical communication, computing, and sensing. The paper demonstrates an indium-phosphide (InP) membrane high-contrast grating active metasurface operating in the 1.5-µm wavelength range with a 17.5 GHz 3-dB modulation bandwidth, Q factor of 102, and ultra-low optical loss of 0.56 dB, and compares it with a silicon-membrane counterpart through numerical analysis.Read more
InP membrane high-contrast grating metasurface embedded with organic electro-optic material on quartz substrate.2 characterizations7 properties2 figuresExperimentalInPStudied MaterialSiO₂Substrate / Dielectricorganic electro-optic materialStudied MaterialExpand
Numerically simulated n-doped Si-membrane high-contrast grating metasurface used as a comparison case.1 propertySimulated Supercell DftSiStudied Materialorganic electro-optic materialStudied MaterialSiO₂Substrate / DielectricExpand
Research paperExperimental CharacterizationComputational OtherTheoretical17 GHz Lossless InP-Membrane Active MetasurfaceTaichiro Fukui, Kei Sumita, Hiroki Miyano, Go Soma et al.2025·10.1126/sciadv.aea3538·arXiv:2505.07072AbstractHigh-speed active metasurfaces enable spatiotemporal control of incident light within an ultra-thin layer, offering new possibilities for optical communication, computing, and sensing. The paper demonstrates an indium-phosphide (InP) membrane high-contrast grating active metasurface operating in the 1.5-µm wavelength range with a 17.5 GHz 3-dB modulation bandwidth, Q factor of 102, and ultra-low optical loss of 0.56 dB, and compares it with a silicon-membrane counterpart through numerical analysis.Read more
InP membrane high-contrast grating metasurface embedded with organic electro-optic material on quartz substrate.2 characterizations7 properties2 figuresExperimentalInPStudied MaterialSiO₂Substrate / Dielectricorganic electro-optic materialStudied MaterialExpand
Numerically simulated n-doped Si-membrane high-contrast grating metasurface used as a comparison case.1 propertySimulated Supercell DftSiStudied Materialorganic electro-optic materialStudied MaterialSiO₂Substrate / DielectricExpand
Research paperExperimental CharacterizationComputational OtherTheoretical17 GHz Lossless InP-Membrane Active MetasurfaceTaichiro Fukui, Kei Sumita, Hiroki Miyano, Go Soma et al.2025·10.1126/sciadv.aea3538·arXiv:2505.07072AbstractHigh-speed active metasurfaces enable spatiotemporal control of incident light within an ultra-thin layer, offering new possibilities for optical communication, computing, and sensing. The paper demonstrates an indium-phosphide (InP) membrane high-contrast grating active metasurface operating in the 1.5-µm wavelength range with a 17.5 GHz 3-dB modulation bandwidth, Q factor of 102, and ultra-low optical loss of 0.56 dB, and compares it with a silicon-membrane counterpart through numerical analysis.Read more
InP membrane high-contrast grating metasurface embedded with organic electro-optic material on quartz substrate.2 characterizations7 properties2 figuresExperimentalInPStudied MaterialSiO₂Substrate / Dielectricorganic electro-optic materialStudied MaterialExpand
Numerically simulated n-doped Si-membrane high-contrast grating metasurface used as a comparison case.1 propertySimulated Supercell DftSiStudied Materialorganic electro-optic materialStudied MaterialSiO₂Substrate / DielectricExpand
Research paperExperimental CharacterizationComputational OtherTheoretical17 GHz Lossless InP-Membrane Active MetasurfaceTaichiro Fukui, Kei Sumita, Hiroki Miyano, Go Soma et al.2025·10.1126/sciadv.aea3538·arXiv:2505.07072AbstractHigh-speed active metasurfaces enable spatiotemporal control of incident light within an ultra-thin layer, offering new possibilities for optical communication, computing, and sensing. The paper demonstrates an indium-phosphide (InP) membrane high-contrast grating active metasurface operating in the 1.5-µm wavelength range with a 17.5 GHz 3-dB modulation bandwidth, Q factor of 102, and ultra-low optical loss of 0.56 dB, and compares it with a silicon-membrane counterpart through numerical analysis.Read more
InP membrane high-contrast grating metasurface embedded with organic electro-optic material on quartz substrate.2 characterizations7 properties2 figuresExperimentalInPStudied MaterialSiO₂Substrate / Dielectricorganic electro-optic materialStudied MaterialExpand
Numerically simulated n-doped Si-membrane high-contrast grating metasurface used as a comparison case.1 propertySimulated Supercell DftSiStudied Materialorganic electro-optic materialStudied MaterialSiO₂Substrate / DielectricExpand