"New Quantum Device Generates Single Photons and Encodes Information"
A new approach to quantum light emitters generates a stream of circularly polarized single photons, or light particles, which may be useful for various quantum information and communication applications. To realize this chiral quantum light source, a team at Los Alamos National Laboratory stacked two different atomically thin materials. The polarization state is a means of encoding the photon, so this accomplishment is a significant step toward quantum cryptography and quantum communication. This article continues to discuss the advancement toward using single photons in quantum communication and information processing.
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