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All-optical RF spectrum analyzer with a 5 THz bandwidth based on CMOS-compatible high-index doped silica waveguides
Li, Yuhua1,2; Kang, Zhe3,4; Zhu, Kun2; Ai, Shiqi2; Wang, Xiang5; Davidson, Roy R.5; Wu, Yan1; Morandotti, Roberto6; Little, Brent E.7; Moss, David J.8; Tak Chu, Sai2
Department瞬态光学研究室
2021-04-01
Source PublicationOptics Letters
ISSN01469592;15394794
Volume46Issue:7Pages:1574-1577
Contribution Rank7
Abstract

We report an all-optical radio-frequency (RF) spectrum analyzer with a bandwidth greater than 5 THz, based on a 50 cm long spiral waveguide in a CMOS-compatible high-index doped silica platform. By carefully mapping out the dispersion profile of the waveguides for different thicknesses, we identify the optimal design to achieve near-zero dispersion in the C-band. To demonstrate the capability of the RF spectrum analyzer, we measure the optical output of a femtosecond fiber laser with an ultrafast optical RF spectrum in the terahertz regime. © 2021 Optical Society of America

DOI10.1364/OL.420716
Indexed ByEI
Language英语
PublisherThe Optical Society
EI Accession Number20211310136038
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/94581
Collection瞬态光学研究室
Corresponding AuthorZhu, Kun
Affiliation1.Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou; 310018, China;
2.Department of Physics, City University of Hong Kong, Kowloon Tong, Hong Kong; 999077, China;
3.Ningbo Research Institute, Zhejiang University, Ningbo; 315100, China;
4.Centre for Optical and Electromagnetic Research, National Engineering Research Center for Optical Instruments, Zhejiang University, Hangzhou; 310058, China;
5.QXP Technology, Xi’an; 710311, China;
6.INRS-Énergie, Matériaux et Télécommunications, Varennes; J3X 1S2, Canada;
7.State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi’an; 710119, China;
8.Optical Sciences Centre, Swinburne University of Technology, Hawthorn; VIC; 3122, Australia
Recommended Citation
GB/T 7714
Li, Yuhua,Kang, Zhe,Zhu, Kun,et al. All-optical RF spectrum analyzer with a 5 THz bandwidth based on CMOS-compatible high-index doped silica waveguides[J]. Optics Letters,2021,46(7):1574-1577.
APA Li, Yuhua.,Kang, Zhe.,Zhu, Kun.,Ai, Shiqi.,Wang, Xiang.,...&Tak Chu, Sai.(2021).All-optical RF spectrum analyzer with a 5 THz bandwidth based on CMOS-compatible high-index doped silica waveguides.Optics Letters,46(7),1574-1577.
MLA Li, Yuhua,et al."All-optical RF spectrum analyzer with a 5 THz bandwidth based on CMOS-compatible high-index doped silica waveguides".Optics Letters 46.7(2021):1574-1577.
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