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Monolithic Integrated Platform Supports Silicon Photonics

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Photonic chip platforms indium phosphide (InP) and silicon (Si) offer distinct advantages for photonic integrated circuits (PICs). To synergize the capabilities of the two platforms, researchers at Hong Kong University of Science and Technology (HKUST) developed a monolithic InP on silicon-on-insulator (SOI) platform that the researchers believe could chart a course for fully integrated Si-based PICs. While InP photonics provides optical functionality, the photonic devices and circuits are built on small, expensive InP substrates and produced in low-volume III-V photonic lines. Silicon...Read full article

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    Published: October 2021
    Glossary
    integrated photonics
    Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers, modulators, detectors, and waveguides, on a single chip or substrate. The goal of integrated photonics is to miniaturize and consolidate optical elements in a manner similar to the integration of electronic components on a microchip in traditional integrated circuits. Key aspects of integrated photonics include: Miniaturization: Integrated photonics aims to reduce the...
    indium phosphide
    Indium phosphide (InP) is a compound semiconductor material composed of indium (In) and phosphorus (P). It belongs to the III-V group of semiconductors, where elements from groups III and V of the periodic table combine to form a variety of important semiconductor materials. Indium phosphide is known for its favorable electronic and optical properties, making it widely used in the fabrication of optoelectronic devices. Key features and properties of indium phosphide include: Bandgap: Indium...
    epitaxial deposition
    Epitaxial deposition is a process used in semiconductor manufacturing and materials science to grow a thin crystalline layer, known as an epitaxial layer, on a substrate. The term epitaxial refers to the relationship between the crystal structures of the growing layer and the underlying substrate, where the deposited atoms align with the existing crystal lattice of the substrate. This results in a single-crystal structure, preserving the orientation and arrangement of atoms from the...
    educationAsia PacificResearch & TechnologyHKUSTHong Kong Applied Science and Technology Research Instituteintegrated photonicsPICssemiconductorsphotonic integrated circuitsindium phosphidesiliconsilicon photonicsLight SourcesIII-V CMOSepitaxial depositionmicrolasersnanoelectronicsnanoelectronics applicationsmonolithicmonolithic chipmonolithic CMOS photointegrated circuitmonolithic devicessilicon-on-insulatorsilicon-on-insulator devicesTechnology News

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