Microlaser chip adds new dimensions to quantum communication

With only two levels of superposition, the qubits used in today’s quantum communication technologies have limited storage space and low tolerance for interference. Engineering’s hyperdimensional microlaser generates ‘qudits,’ photons with four simultaneous levels of information. The increase in dimension makes for robust quantum communication technology better suited for real-world applications.

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Story added 22. November 2022, content source with full text you can find at link above.