Experimental characterization of a Green Machine photonic integrated circuit shows promise for QCKA, highlighting a new approach to secure communications.
Quantum Conference Key Agreement (QCKA) allows a group of users to establish a shared secret key. We describe the experimental characterization of a “Green Machine” photonic integrated circuit (PIC) and its simulated performance in QCKA.
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Fisher et al. (2025) studied this question.
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