A dual-mode integrated receiver uses parallel photodetectors with dispersion compensators to enhance optical signal clarity.
Horizontal waveguide coupling eliminates vertical path changes in opto-electronic boards, preventing signal distortion and improving transmission accuracy.
Reducing the second contact layer area inside the light absorption layer suppresses peripheral photocarrier losses and improves element reliability.
An optical buffering layer buffers against refractive index variations while guiding input modes, reducing insertion loss and enhancing robustness.
Thermal treatment aligns polycrystalline silicon grains perpendicular to the substrate, reducing surface morphology and light scattering in optical waveguides.
An angled active layer decouples from a waveguide core to minimize scattering losses and improve coupling reliability.
A spot-size conversion structure uses segmented sub-waveguide layers to transition light between an integrated optical waveguide and an optical fiber.
Optical resonators and waveguides replace electronic memory to overcome information exchange speed limits in neural networks.
A mode conversion waveguide system uses a symmetric cavity within a multimode interference region to reflect light and convert optical modes.
Shadow doping overcomes lithographic precision limits by creating precise doped slab and sidewall regions in rib waveguides.
Buried porous silicon tapers enable efficient mode conversion between varying waveguide depths, avoiding costly ion slicing methods.
A germanium layer evanescently couples to a ring resonator to absorb guided light and convert it into electrical signals.
A ferroelectric center layer forms a slot waveguide between conducting electrodes to generate a vertical electrical field.
Photoresist patterning and metal filling in a sub-100nm waveguide create highly reflective gratings with controlled critical dimensions.
A light control element uses odd mode coupling between resonant electrodes to modulate optical phase with low driving voltage.
Replacing silicon dioxide cladding with airgaps reduces electromagnetic absorption, enabling efficient light confinement in photonic chips.