期刊
PHYSICAL REVIEW A
卷 103, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.103.063706
关键词
-
资金
- National Natural Science Foundation of China [11674094, 11774089, 11874146, 11981260012, 12034007]
- Shanghai Natural Science Foundation [18ZR1410500, 18DZ2252400]
On-chip single-photon nonreciprocal devices with high isolation and low insertion loss are achieved by utilizing electromagnetically induced transparency in chiral quantum systems. These devices, including a single-photon isolator and a single-photon circulator, provide high isolation and low insertion loss, while significantly broadening their bandwidths with the assistance of electromagnetically induced transparency.
On-chip single-photon nonreciprocal devices with high isolation and low insertion loss become a key element in quantum information processing. Based on electromagnetically induced transparency in chiral quantum systems, a single-photon isolator and a single-photon circulator are obtained without requiring unbalanced coupling. These devices have high isolation and low insertion loss. Moreover, their bandwidths are significantly broadened with the assistance of electromagnetically induced transparency.
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