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Article: Low-Loss Continuously Tunable Optical True Time Delay Based on Si3N4 Ring Resonators

TitleLow-Loss Continuously Tunable Optical True Time Delay Based on Si3N4 Ring Resonators
Authors
KeywordsDelay lines
optical losses
optical ring resonators
phased arrays
silicon nitride
silicon photonics
Issue Date2018
Citation
IEEE Journal of Selected Topics in Quantum Electronics, 2018, v. 24, n. 4, article no. 8233185 How to Cite?
AbstractWe design, fabricate, and characterize ultra-low loss continuously tunable optical true time delay devices based on Si3N4 ring resonators in a side-coupled integrated spaced sequence of resonators (SCISSOR) structure. A large tunable delay range up to 3.4 ns is demonstrated using the Balanced SCISSOR delay tuning scheme, for a record loss of only 0.89 dB/ns of delay. By optimizing the coupler design a device delay bandwidth of over 10 GHz is achieved with over 0.5 ns maximum time delay. This ultra-low loss delay line can enable distortion free operation for RF signals used in RF beamforming and other applications. Additionally, this device has the potential to be integrated with active photonic components to be part of a fully integrated photonic integrated circuit in an electronically scanned phased array system; utilizing a silicon photonics platform including heterogeneous integration.
Persistent Identifierhttp://hdl.handle.net/10722/322046
ISSN
2023 Impact Factor: 1.5
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXiang, Chao-
dc.contributor.authorDavenport, Michael L.-
dc.contributor.authorKhurgin, Jacob B.-
dc.contributor.authorMorton, Paul A.-
dc.contributor.authorBowers, John E.-
dc.date.accessioned2022-11-03T02:23:14Z-
dc.date.available2022-11-03T02:23:14Z-
dc.date.issued2018-
dc.identifier.citationIEEE Journal of Selected Topics in Quantum Electronics, 2018, v. 24, n. 4, article no. 8233185-
dc.identifier.issn0792-1233-
dc.identifier.urihttp://hdl.handle.net/10722/322046-
dc.description.abstractWe design, fabricate, and characterize ultra-low loss continuously tunable optical true time delay devices based on Si3N4 ring resonators in a side-coupled integrated spaced sequence of resonators (SCISSOR) structure. A large tunable delay range up to 3.4 ns is demonstrated using the Balanced SCISSOR delay tuning scheme, for a record loss of only 0.89 dB/ns of delay. By optimizing the coupler design a device delay bandwidth of over 10 GHz is achieved with over 0.5 ns maximum time delay. This ultra-low loss delay line can enable distortion free operation for RF signals used in RF beamforming and other applications. Additionally, this device has the potential to be integrated with active photonic components to be part of a fully integrated photonic integrated circuit in an electronically scanned phased array system; utilizing a silicon photonics platform including heterogeneous integration.-
dc.languageeng-
dc.relation.ispartofIEEE Journal of Selected Topics in Quantum Electronics-
dc.subjectDelay lines-
dc.subjectoptical losses-
dc.subjectoptical ring resonators-
dc.subjectphased arrays-
dc.subjectsilicon nitride-
dc.subjectsilicon photonics-
dc.titleLow-Loss Continuously Tunable Optical True Time Delay Based on Si3N4 Ring Resonators-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/JSTQE.2017.2785962-
dc.identifier.scopuseid_2-s2.0-85039807274-
dc.identifier.volume24-
dc.identifier.issue4-
dc.identifier.spagearticle no. 8233185-
dc.identifier.epagearticle no. 8233185-
dc.identifier.eissn2191-0359-
dc.identifier.isiWOS:000422927200001-

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