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Microfiber interferometer integrated with Au nanorods for an all-fiber phase shifter and switch
Yang, Xinghua1; Long, Qunlong1; Liu, Zhihai1,3; Zhang, Yu1; Yang, Jun1; Kong, Depeng2; Yuan, Libo1,4; Oh, Kyunghwan5
Department信息光子学研究室
2019-03-01
Source PublicationOptics Letters
ISSN01469592;15394795
Volume44Issue:5Pages:1092-1095
Contribution Rank1
Abstract

All-fiber integrated phase shifters and optical switches have important applications in photonic devices, such as optical controlling, optical fiber sensing, and signal processing. In this Letter, for the first time to the best of our knowledge, we integrated the photothermal effect of a nanomaterial based on gold nanorods (GNRs) and a microfiber interferometer to realize a compact all-optical fiber phase shifter. GNRs surrounding the microfiber were excited by near-infrared light via the evanescent interaction, subsequently releasing the heat through the photothermal effect. Then, the refractive index around the microfiber was varied to shift the interference dips in a reversible manner. Experimentally, a spectral shift efficiency of 0.16 nm/mW near the wavelength of 1550 nm was obtained using an excitation laser at the wavelength of 808 nm. The device also provided an all-optical switching with the modulation depth of 76.4%. The proposed GNR-based all-fiber device can provide high potentials in all-optical signal control applications. © 2019 Optical Society of America.

DOI10.1364/OL.44.001092
Indexed BySCI ; EI
Language英语
WOS IDWOS:000460109200008
PublisherOSA - The Optical Society
EI Accession Number20191006584451
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31308
Collection信息光子学研究室
Corresponding AuthorYang, Xinghua
Affiliation1.Key Laboratory of In-Fiber Integrated Optics, College of Science, Harbin Engineering University, Harbin; 150001, China;
2.State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an; 710119, China;
3.National Demonstration Center for Experimental Physics Education, Harbin Engineering University, Harbin; 150001, China;
4.Photonics Research Center, Guilin University of Electronics Technology, Guilin; 541004, China;
5.Department of Physics, Yonsei University, 50 Yonsei-ro, Seoul; 03722, Korea, Republic of
Recommended Citation
GB/T 7714
Yang, Xinghua,Long, Qunlong,Liu, Zhihai,et al. Microfiber interferometer integrated with Au nanorods for an all-fiber phase shifter and switch[J]. Optics Letters,2019,44(5):1092-1095.
APA Yang, Xinghua.,Long, Qunlong.,Liu, Zhihai.,Zhang, Yu.,Yang, Jun.,...&Oh, Kyunghwan.(2019).Microfiber interferometer integrated with Au nanorods for an all-fiber phase shifter and switch.Optics Letters,44(5),1092-1095.
MLA Yang, Xinghua,et al."Microfiber interferometer integrated with Au nanorods for an all-fiber phase shifter and switch".Optics Letters 44.5(2019):1092-1095.
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