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Continuous broadband MWP true-time delay with PbS-PMMA and PbS-SU8 waveguides

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Continuous broadband MWP true-time delay with PbS-PMMA and PbS-SU8 waveguides

dc.contributor.author	Pérez Soler, Joaquín
dc.contributor.author	Suárez, Isaac
dc.contributor.author	Hervás, Javier
dc.contributor.author	Ricchiuti, Amelia L.
dc.contributor.author	Martínez Pastor, Juan Pascual
dc.contributor.author	Sales, Salvador
dc.date.accessioned	2020-10-27T15:22:25Z
dc.date.available	2020-10-27T15:22:25Z
dc.date.issued	2016
dc.identifier.citation	Pérez Soler, Joaquín Suárez, Isaac Hervás, Javier Ricchiuti, Amelia L. Martínez Pastor, Juan Pascual Sales, Salvador 2016 Continuous broadband MWP true-time delay with PbS-PMMA and PbS-SU8 waveguides IEEE Photonics Technology Letters 28 15 1657 1660
dc.identifier.uri	https://hdl.handle.net/10550/76144
dc.description.abstract	A new microwave true-time delay (TTD) photonic unit based on the dispersion of PbS colloidal quantum dots (QDs) in a polymethyl methacrylate (PMMA) and the SU8 photoresist is presented. With this aim, the PbS-PMMA and PbS-SU8 nanocomposites are integrated on a silicon platform in the form of the planar and ridge waveguides, respectively. When the PbS QDs on those structures are pumped below their bandgap, a phase shift and a temporal delay in an optically conveyed (at 1550 nm) microwave signal is performed. The results of these devices show potential benefits over current TTD technologies, since the proposed photonic waveguide structures allow real-time adjustment of the temporal delay by tuning the power of the pumping signal, more than 3.5 ps over 25 GHz, and a high level of integration due to the novel proposed photonic waveguide structures and the materials used.
dc.language.iso	eng
dc.relation.ispartof	IEEE Photonics Technology Letters, 2016, vol. 28, num. 15, p. 1657-1660
dc.subject	Semiconductors
dc.subject	Nanotecnologia
dc.subject	Òptica quàntica
dc.title	Continuous broadband MWP true-time delay with PbS-PMMA and PbS-SU8 waveguides
dc.type	journal article	es_ES
dc.date.updated	2020-10-27T15:22:26Z
dc.identifier.doi	10.1109/LPT.2016.2561401
dc.identifier.idgrec	119087
dc.rights.accessRights	open access	es_ES