Extreme nonlinear phenomena in NbN superconducting stripline resonators

We study giant nonlinear phenomena that emerge near a bifurcation threshold (BT) in a microwave superconducting stripline resonator. Above the BT the system becomes astable and self-sustained modulation of the reflected power off the resonator occurs. The giant nonlinearity manifests itself in an ex...

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Bibliographic Details
Published inPhysics letters. A Vol. 366; no. 1; pp. 160 - 164
Main Authors Segev, Eran, Abdo, Baleegh, Shtempluck, Oleg, Buks, Eyal
Format Journal Article
LanguageEnglish
Published Elsevier B.V 18.06.2007
Subjects
Nonequilibrium thermodynamics
Nonlinear resonators
Period doubling
Nonequilibrium thermodynamics
Nonlinear resonators
Period doubling
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Summary:We study giant nonlinear phenomena that emerge near a bifurcation threshold (BT) in a microwave superconducting stripline resonator. Above the BT the system becomes astable and self-sustained modulation of the reflected power off the resonator occurs. The giant nonlinearity manifests itself in an extremely high intermodulation gain, accompanied by a very strong noise squeezing and period doubling of various orders.
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2007.02.022