Publication:
Sensitivity limits of millimeter-wave photonic radiometers based on efficient electro-optic upconverters

dc.affiliation.dptoUC3M. Departamento de Teoría de la Señal y Comunicacioneses
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Radiofrecuencia, Electromagnetismo, Microondas y Antenas (GREMA)es
dc.contributor.authorSantamaría Botello, Gabriel Arturo
dc.contributor.authorSedlmeir, Florian
dc.contributor.authorRueda, Alfredo
dc.contributor.authorAbdalmalak Dawoud, Kerlos Atia
dc.contributor.authorBrown, Elliott R.
dc.contributor.authorLeuchs, Gerd
dc.contributor.authorPreu, Sascha
dc.contributor.authorSegovia Vargas, Daniel
dc.contributor.authorStrekalov, Dmitry V.
dc.contributor.authorGarcía Muñoz, Luis Enrique
dc.contributor.authorSchwefel, Harald G. L.
dc.contributor.funderComunidad de Madrides
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2023-02-03T15:02:53Z
dc.date.available2023-02-03T15:02:53Z
dc.date.issued2018-10-20
dc.description.abstractConventional ultra-high sensitivity detectors in the millimeter-wave range are usually cooled as their own thermal noise at room temperature would mask the weak received radiation. The need for cryogenic systems increases the cost and complexity of the instruments, hindering the development of, among others, airborne and space applications. In this work, the nonlinear parametric upconversion of millimeter-wave radiation to the optical domain inside high-quality (Q) lithium niobate whispering-gallery mode (WGM) resonators is proposed for ultra-low noise detection. We experimentally demonstrate coherent upconversion of millimeter-wave signals to a 1550 nm telecom carrier, with a photon conversion efficiency surpassing the state-of-the-art by 2 orders of magnitude. Moreover, a theoretical model shows that the thermal equilibrium of counterpropagating WGMs is broken by overcoupling the millimeter-wave WGM, effectively cooling the upconverted mode and allowing ultra-low noise detection. By theoretically estimating the sensitivity of a correlation radiometer based on the presented scheme, it is found that room-temperature radiometers with better sensitivity than state-of-the-art high-electron-mobility transistor (HEMT)-based radiometers can be designed. This detection paradigm can be used to develop room-temperature instrumentation for radio astronomy, earth observation, planetary missions, and imaging systems.en
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO) (TEC2013-47753-C3); Comunidad de Madrid (S2013/ICE-3004); Banco Santander (TEC2016-76997-C3-2-R); Banco Bilbao Vizcaya Argentaria (BBVA) (IN[16]_TIC_TIC_0040); 2017 UC3M-Santander Chair of Excellence.en
dc.format.extent10
dc.identifier.bibliographicCitationSantamaría Botello, G., Sedlmeir, F., Rueda, A., Abdalmalak, K. A., Brown, E. R., Leuchs, G., Preu, S., Segovia-Vargas, D., Strekalov, D. V., García Muñoz, L. E. & Schwefel, H. G. L. (2018). Sensitivity limits of millimeter-wave photonic radiometers based on efficient electro-optic upconverters. Optica, 5(10), 1210.en
dc.identifier.doihttps://doi.org/10.1364/OPTICA.5.001210
dc.identifier.issn2334-2536
dc.identifier.publicationfirstpage1210
dc.identifier.publicationissue10
dc.identifier.publicationlastpage1219
dc.identifier.publicationtitleOpticaen
dc.identifier.publicationvolume5
dc.identifier.urihttps://hdl.handle.net/10016/36465
dc.identifier.uxxiAR/0000022290
dc.language.isoeng
dc.publisherOpticaen
dc.relation.projectIDGobierno de España. TEC2013-47753-C3-2-Res
dc.relation.projectIDComunidad de Madrid. S2013/ICE-3004es
dc.relation.projectIDGobierno de España. TEC2016-76997-C3-2-Res
dc.rights© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreementen
dc.rights.accessRightsopen accessen
dc.subject.ecienciaTelecomunicacioneses
dc.titleSensitivity limits of millimeter-wave photonic radiometers based on efficient electro-optic upconvertersen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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