期刊
OPTICS EXPRESS
卷 28, 期 16, 页码 23728-23738出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.397138
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资金
- Alliance for Quantum Technologies
- U.S. Department of Energy [DE-SC0019219]
- Natural Sciences and Engineering Research Council of Canada
- Office of Naval Research [N00014-15-1-2761]
- National Science Foundation [1541959, DMR-1231319, IIP-1827720]
- Raytheon Company [A40210]
Electrically driven acousto-optic devices that provide beam deflection and optical frequency shifting have broad applications from pulse synthesis to heterodyne detection. Commercially available acousto-optic modulators are based on bulk materials and consume Watts of radio frequency power. Here, we demonstrate an integrated 3-GHz acousto-optic frequency shifter on thin-film lithium niobate, featuring a carrier suppression over 30 dB. Further, we demonstrate a gigahertz-spaced optical frequency comb featuring more than 200 lines over a 0.6-THz optical bandwidth by recirculating the light in an active frequency shifting loop. Our integrated acousto-optic platform leads to the development of on-chip optical routing, isolation, and microwave signal processing. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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