Demonstration of SiN-photonic Controlled-NOT Gate using Path-entangled Qubit Pairs from a Si-photonic Quantum Splitter
2020 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS (ECOC)（2020）
摘要
We fabricate a silicon-nitride photonic integrated circuit (PIC) to demonstrate a controlled-NOT quantum-logic gate and a silicon PIC generating path-entangled qubit pairs by splitting degenerate photon pairs. We measure 81% fidelity of CNOT using the fully packaged PICs.
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关键词
path-entangled qubit pairs,silicon-nitride photonic integrated circuit,quantum-logic gate,silicon PIC,splitting degenerate photon pairs,SiN-photonic controlled-NOT gate,fully packaged PIC,Si-photonic quantum splitter,SiN,Si
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