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Fast Antenna-Assisted Switches Could Expand Potential for Optical Memory

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Fast optical switches developed using nanoantenna-assisted phase transition could open novel routes to the next generation of optoelectronics. The properties of nanoantennas were tuned to achieve low energy optical switching of a phase-change material, vanadium dioxide (VO2). Gold nanoantennas were fabricated on top of this thin film and were used to locally drive the phase transition of the VO2. The picosecond all-optical switching of the local phase transition in plasmonic antenna VO2 hybrids was shown by exploiting strong resonant field enhancement and selective optical pumping in...Read full article

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    Published: November 2016
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    Research & TechnologyEuropenanonanoantennasOpticsoptoelectronicsoptic memorydata communicationsTech Pulse

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