期刊
NANOPHOTONICS
卷 9, 期 9, 页码 2937-2944出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2020-0187
关键词
2D materials; color center; hexagonal boron nitride; microcavities; quantum emission; strain
资金
- NSF [ECCS-1906096]
- NSF EFRI 2-DARE program [EFMA - 1542863]
- National Science Foundation [NSF-1619896, NSF-1726573]
- Research Corporation for Science Advancement through a FRED Award
- NSF CREST IDEALS [NSF-1547830]
- CUNY-ASRC Nano-fabrication Facility
Integration of quantum emitters in photonic structures is an important step in the broader quest to generate and manipulate on-demand single photons via compact solid-state devices. Unfortunately, implementations relying on material platforms that also serve as the emitter host often suffer from a tradeoff between the desired emitter properties and the photonic system practicality and performance. Here, we demonstrate pick and place integration of a Si3N4 microdisk optical resonator with a bright emitter host in the form of similar to 20-nm-thick hexagonal boron nitride (hBN). The film folds around the microdisk maximizing contact to ultimately form a hybrid hBN/Si3N4 structure. The local strain that develops in the hBN film at the resonator circumference deterministically activates a low density of defect emitters within the whispering gallery mode volume of the microdisk. These conditions allow us to demonstrate cavity-mediated outcoupling of emission from defect states in hBN through the microdisk cavity modes. Our results pave the route toward the development of chip-scale quantum photonic circuits with independent emitter/resonator optimization for active and passive functionalities.
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