期刊
QUANTUM SCIENCE AND TECHNOLOGY
卷 5, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2058-9565/ab7eed
关键词
quantum transduction; silicon-organic hybrid; microwave-to-optical conversion; electro-optic modulators; photonic crystal; silicon photonics; superconducting circuits
资金
- US Government through the National Science Foundation [ECCS-1708734]
- Army Research Office (ARO/LPS) CQTS program, through Airforce Office of Scientific Research (AFOSR) via (MURI) [FA9550-17-1-0002]
- National Science Foundation [ECCS-1542152]
- David and Lucile Packard Fellowship
- European Union's Horizon 2020 research and innovation program under Marie Skodowska-Curie Grant [665501]
- research foundation Flanders (FWO)
- Stanford Graduate Fellowship
- Department of Defense (DoD) through the National Defense Science & Engineering Graduate Fellowship (NDSEG) Program
Low-loss fiber optic links have the potential to connect superconducting quantum processors together over long distances to form large scale quantum networks. A key component of these future networks is a quantum transducer that coherently and bidirectionally converts photons from microwave frequencies to optical frequencies. We present a platform for electro-optic photon conversion based on silicon-organic hybrid photonics. Our device combines high quality factor microwave and optical resonators with an electro-optic polymer cladding to perform microwave-to-optical photon conversion from 6.7 GHz to 193 THz (1558 nm). The device achieves an electro-optic coupling rate of 590 Hz in a millikelvin dilution refrigerator environment. We use an optical heterodyne measurement technique to demonstrate the single-sideband nature of the conversion with a selectivity of approximately 10 dB. We analyze the effects of stray light in our device and suggest ways in which this can be mitigated. Finally, we present initial results on high-impedance spiral resonators designed to increase the electro-optic coupling.
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