Quantum interference in Wilkinson power dividers
Fecha
2022Versión
Acceso abierto / Sarbide irekia
Tipo
Artículo / Artikulua
Versión
Versión publicada / Argitaratu den bertsioa
Impacto
|
10.1002/lpor.202200095
Resumen
Scaling up quantum technologies entails the challenge of developing large-scale and high-performance photonic quantum networks. Engineering novel optical components, with a compact footprint and advanced functionalities, might help addressing this challenge by reducing the size and complexity of optical networks. Here, quantum interference phenomena in Wilkinson power dividers (WPDs), a popular e ...
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Scaling up quantum technologies entails the challenge of developing large-scale and high-performance photonic quantum networks. Engineering novel optical components, with a compact footprint and advanced functionalities, might help addressing this challenge by reducing the size and complexity of optical networks. Here, quantum interference phenomena in Wilkinson power dividers (WPDs), a popular element of microwave networks, is investigated. It is theoretically demonstrated that WPDs grant access to coherent perfect absorption (CPA) quantum state transformations (single photon CPA, coherent absorption of N00N states, two-photon nonlinear absorption, and absorption of coherence in squeezed light) in CPA networks with a smaller footprint and a reduced number of elements. Additionally, it is shown how a WPD can be designed in a pure silicon-on-insulator platform by taking advantage of radiative losses. These findings might represent an important step forward in the development of CPA quantum networks. [--]
Materias
Coherent perfect absorption,
Quantum interference,
Wilkinson power dividers
Editor
John Wiley & Sons
Publicado en
Laser & Photonics Reviews 2022,16, 2200095
Departamento
Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación /
Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza Saila /
Universidad Pública de Navarra/Nafarroako Unibertsitate Publikoa. Institute of Smart Cities - ISC
Versión del editor
Entidades Financiadoras
M.B. acknowledges support from Beatriz Galindo fellowship BEA-GAL18/00116. I.L. acknowledges support from Ramón y Cajal fellow-ship RYC2018-024123-I and project RTI2018-093714-301J-I00 sponsoredby MCIU/AEI/FEDER/UE, and ERC Starting Grant 948504.
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