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Quantum Computer Platform Uses Optical Fiber to Perform at Room Temperature

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KONGENS LYNGBY, Denmark, Aug. 18, 2021 — A team at the Technical University of Denmark (DTU) has developed what it calls a “complete platform” for an optical quantum computer. The platform is universal and scalable, the team said, and takes place at room temperature. The technology is compatible with standard fiber optic networks. The demonstration of a so-called universal gate set — and the implementation of several operations by means thereof — is what the team said constitutes an optical quantum computing advancement. Gates serve to perform operations on one or more qubits, and to implement an...Read full article

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    Published: August 2021
    Glossary
    quantum optics
    The area of optics in which quantum theory is used to describe light in discrete units or "quanta" of energy known as photons. First observed by Albert Einstein's photoelectric effect, this particle description of light is the foundation for describing the transfer of energy (i.e. absorption and emission) in light matter interaction.
    quantum
    The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
    optical fiber
    Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light signals over long distances with minimal loss of signal quality. It serves as a medium for conveying information in the form of light pulses, typically in the realm of telecommunications, networking, and data transmission. The core of an optical fiber is the central region through which light travels. It is surrounded by a cladding layer that has a lower refractive index than...
    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: ...
    EuropeResearch & Technologyoptical quantum computeroptical quantum computingquantum opticsquantumoptical fiberdatacomtelecompharmaceuticalquantum information transmissionDTUoptoelectronicsTechnical University of Denmarkquantum measurementsquantum measurementquantum algorithms

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