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  2. Optical vortex - Wikipedia

    en.wikipedia.org/wiki/Optical_vortex

    The q-plate with topological charge q can generate a charge vortex based on the input beam polarization. An s-plate is a similar technology to a q-plate, using a high-intensity UV laser to permanently etch a birefringent pattern into silica glass with an azimuthal variation in the fast axis with topological charge of s. Unlike a q-plate, which ...

  3. Integrated quantum photonics - Wikipedia

    en.wikipedia.org/wiki/Integrated_quantum_photonics

    Integrated quantum photonics, uses photonic integrated circuits to control photonic quantum states for applications in quantum technologies. [ 1 ] [ 2 ] As such, integrated quantum photonics provides a promising approach to the miniaturisation and scaling up of optical quantum circuits . [ 3 ]

  4. Distributed Bragg reflector - Wikipedia

    en.wikipedia.org/wiki/Distributed_Bragg_reflector

    Time-resolved simulation of a pulse reflecting from a Bragg mirror. A distributed Bragg reflector (DBR) is a reflector used in waveguides, such as optical fibers.It is a structure formed from multiple layers of alternating materials with different refractive index, or by periodic variation of some characteristic (such as height) of a dielectric waveguide, resulting in periodic variation in the ...

  5. Category:Photonics - Wikipedia

    en.wikipedia.org/wiki/Category:Photonics

    Pages in category "Photonics" The following 109 pages are in this category, out of 109 total. ... Photonic radar; Photonic topological insulator; Photonic-crystal ...

  6. Linear optical quantum computing - Wikipedia

    en.wikipedia.org/wiki/Linear_optical_quantum...

    In optical systems for quantum information processing, the unit of light in a given mode—or photon—is used to represent a qubit. Superpositions of quantum states can be easily represented, encrypted, transmitted and detected using photons.

  7. List of companies involved in quantum computing or ...

    en.wikipedia.org/wiki/List_of_companies_involved...

    Photonics and Integrated Photonics, Quantum Dots, Cryptography, Photonic Quantum Computing: Sheffield, UK Agnostiq 2018 Computing High Performance Computing, Open Source HPC/Quantum Workflow Manager, [3] [4] Quantum Software: University of Toronto, Rotman School of Management, Creative Destruction Lab (CDL) Toronto, Canada Alice&Bob 2020 Computing

  8. Optical computing - Wikipedia

    en.wikipedia.org/wiki/Optical_computing

    Optical computing or photonic computing uses light waves produced by lasers or incoherent sources for data processing, data storage or data communication for computing. For decades, photons have shown promise to enable a higher bandwidth than the electrons used in conventional computers (see optical fibers ).

  9. Quantum optics - Wikipedia

    en.wikipedia.org/wiki/Quantum_optics

    Quantum optics is a branch of atomic, molecular, and optical physics and quantum chemistry dealing with how individual quanta of light, known as photons, interact with atoms and molecules.

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