Josephson Photonics with Simultaneous Resonances

Autor:	Wood, Kieran, Armour, Andrew D., Lang, Ben
Rok vydání:	2021
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics
Zdroj:	Phys. Rev. B 104, 155424 (2021)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevB.104.155424
Popis:	Inelastic Cooper pair tunneling across a voltage-biased Josephson junction in series with one or more microwave cavities can generate photons via resonant processes in which the energy lost by the Cooper pair matches that of the photon(s) produced. We generalise previous theoretical treatments of such systems to analyse cases where two or more different photon generation processes are resonant simultaneously. We also explore in detail a specific case where generation of a single photon in one cavity mode is simultaneously resonant with the generation of two photons in a second mode. We find that the coexistence of the two resonances leads to effective couplings between the modes which in turn generate entanglement. Comment: 9 pages, 5 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2106.15243 Zobrazit plný text záznamu View this record from Arxiv