期刊
NANO LETTERS
卷 20, 期 11, 页码 8170-8177出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.0c03262
关键词
Nanophotonics; Nitrogen-vacancy (NV) center; Tantalum Pentoxide; Silicon chip; Photonic crystal
类别
资金
- Ministry for Culture and Science of North RhineWestphalia [421-8.03.03.02-130428]
Nanophotonics provides a promising approach to advance quantum technology by replicating fundamental building blocks of nanoscale quantum optic systems in large numbers with high reproducibility on monolithic chips. While photonic integrated circuit components and single-photon detectors offer attractive performance on silicon chips, the large-scale integration of individually accessible quantum emitters has remained a challenge. Here, we demonstrate simultaneous optical access to several integrated solid-state spin systems with Purcell-enhanced coupling of single photons with high modal purity from lithographically positioned nitrogen vacancy centers into photonic integrated circuits. Photonic crystal cavities embedded in networks of tantalum pentoxide-on-insulator waveguides provide efficient interfaces to quantum emitters that allow us to optically detect magnetic resonances (ODMR) as desired in quantum sensing. Nanophotonic networks that provide configurable optical interfaces to nanoscale quantum emitters via many independent channels will allow for novel functionality in photonic quantum information processors and quantum sensing schemes.
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