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dc.contributor.authorBenedikovič, Daniel
dc.contributor.authorLiu, Qiankun
dc.contributor.authorSánchez-Postigo, Alejandro
dc.contributor.authorAtieh, Ahmad
dc.contributor.authorSmy, Tom
dc.contributor.authorCheben, Pavel
dc.contributor.authorYe, Winnie N.
dc.date.accessioned2022-08-25T10:30:45Z
dc.date.available2022-08-25T10:30:45Z
dc.date.issued2022-08-16
dc.identifier.citationBenedikovič D, Liu Q, Sánchez-Postigo A, Atieh A, Smy T, Cheben P, Ye WN. Circular Optical Phased Array with Large Steering Range and High Resolution. Sensors. 2022; 22(16):6135. https://doi.org/10.3390/s22166135es_ES
dc.identifier.urihttps://hdl.handle.net/10630/24818
dc.description.abstractLight detection and ranging systems based on optical phased arrays and integrated silicon photonics have sparked a surge of applications over the recent years. This includes applications in sensing, free-space communications, or autonomous vehicles, to name a few. Herein, we report a design of two-dimensional optical phased arrays, which are arranged in a grid of concentric rings. We numerically investigate two designs composed of 110 and 820 elements, respectively. Both single-wavelength (1550 nm) and broadband multi-wavelength (1535 nm to 1565 nm) operations are studied. The proposed phased arrays enable free-space beam steering, offering improved performance with narrow beam divergences of only 0.5° and 0.22° for the 110-element and 820-element arrays, respectively, with a main-to-sidelobe suppression ratio higher than 10 dB. The circular array topology also allows large element spacing far beyond the sub-wavelength-scaled limits that are present in one-dimensional linear or two-dimensional rectangular arrays. Under a single-wavelength operation, a solid-angle steering between 0.21π sr and 0.51π sr is obtained for 110- and 820-element arrays, respectively, while the beam steering spans the range of 0.24π sr and 0.57π sr for a multi-wavelength operation. This work opens new opportunities for future optical phased arrays in on-chip photonic applications, in which fast, high-resolution, and broadband beam steering is necessary.es_ES
dc.description.sponsorshipThis work was supported by the Natural Sciences and Engineering Research Council of Canada’s Collaborative R&D Grant Program by collaborating with Optiwave Systems, Inc., Slovak Grant Agency VEGA 1/0113/22, and Slovak Research and Development Agency under the project APVV-21-0217. Partial funding for open access charge: Universidad de Málagaes_ES
dc.language.isoenges_ES
dc.publisherIOAP-MPDIes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectFotónicaes_ES
dc.subject.otherSilicon photonicses_ES
dc.subject.otherOptical phased arrayses_ES
dc.subject.otherOptical antennaes_ES
dc.subject.otherBeam forminges_ES
dc.subject.otherBeam steeringes_ES
dc.subject.otherField-of-viewes_ES
dc.subject.otherCircular phased arrayses_ES
dc.subject.otherLight detection and ranginges_ES
dc.titleCircular Optical Phased Array with Large Steering Range and High Resolutiones_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.centroE.T.S.I. Telecomunicaciónes_ES
dc.identifier.doihttps://doi.org/10.3390/s22166135
dc.rights.ccAtribución 4.0 Internacional*
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones_ES


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