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Multichannel Generations of Orbital Angular Momentum Modes with On-Demand Characteristics on a Chip
Fu, Pan1; Ni, Pei Nan2; Wang, Qiu Hua1,3; Liu, Yu Fei1; Wu, Bo1; Chen, Pei Pei4; Kan, Qiang3; Wang, Shuang Peng2; Chen, Hong Da3; Xu, Chen1; Xie, Yi Yang1
2021-12-01
Source PublicationAdvanced Optical Materials
ISSN2195-1071
Volume9Issue:24
Abstract

The orthogonality among optical beams with different orbital angular momentum (OAM) modes presents a new perspective as independent data-carrying channels for multiplexing and demultiplexing. In particular, the theoretically infinite topological charge of OAM beam promises the unbounded capacity in communication systems. As a key part for the advancement of OAM technologies, OAM source has attracted considerable interest and experienced a rapid development. Nevertheless, conventional approaches to create OAM modes mainly rely on the use of bulky optical devices and external laser source, preventing their implementation into a miniaturized system. As a contrast, on-chip generation of OAM beams with a built-in source stands out with several advantages, including small footprint, compactness, portability, and high-power efficiency. In this work, a versatile approach to directly produce OAM modes with on-demand characteristics on a chip is demonstrated. Featuring the judicious combination of the emerging dielectric metasurface with the standard vertical cavity surface-emitting laser (VCSEL) platform, the approach represents a feasible solution to the wide implementation of wafer-level OAM emitters for optoelectronic integrations. Prototype laser chips for the generation of both individual OAM beam and OAM array with novel functionalites, such as controllable directionality and spatially varying topological charge and distribution, are systematically presented.

KeywordMetasurfaces On-chip Integration Optical Vortex Orbital Angular Momentum Vertical Cavity Surface-emitting Lasers
DOI10.1002/adom.202101308
URLView the original
Language英語English
WOS Research AreaMaterials Science ; Optics
WOS SubjectMaterials Science, Multidisciplinary ; Optics
WOS IDWOS:000698577000001
Scopus ID2-s2.0-85115349098
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorNi, Pei Nan; Chen, Pei Pei; Xie, Yi Yang
Affiliation1.Key Laboratory of Optoelectronics Technology, Ministry of Education, Beijing University of Technology, Beijing, 100124, China
2.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Avenida da Universidade, 999078, Macao
3.Institute of Semiconductor, Chinese Academy of Sciences, Beijing, 100083, China
4.National Centre for Nanoscience and Technology, Beijing, 100190, China
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Fu, Pan,Ni, Pei Nan,Wang, Qiu Hua,et al. Multichannel Generations of Orbital Angular Momentum Modes with On-Demand Characteristics on a Chip[J]. Advanced Optical Materials,2021,9(24).
APA Fu, Pan,Ni, Pei Nan,Wang, Qiu Hua,Liu, Yu Fei,Wu, Bo,Chen, Pei Pei,Kan, Qiang,Wang, Shuang Peng,Chen, Hong Da,Xu, Chen,&Xie, Yi Yang.(2021).Multichannel Generations of Orbital Angular Momentum Modes with On-Demand Characteristics on a Chip.Advanced Optical Materials,9(24).
MLA Fu, Pan,et al."Multichannel Generations of Orbital Angular Momentum Modes with On-Demand Characteristics on a Chip".Advanced Optical Materials 9.24(2021).
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