Thermal instability and self-sustained modulation in superconducting NbN stripline resonators

We study theoretically and experimentally the response of a microwave superconducting stripline resonator, integrated with a microbridge, to a monochromatic injected signal. We find that there is a certain range of driving parameters in which a novel nonlinear phenomenon emerges, and self-sustained...

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Bibliographic Details
Published inJournal of physics. Condensed matter Vol. 19; no. 9; pp. 096206 - 096206 (14)
Main Authors Segev, Eran, Abdo, Baleegh, Shtempluck, Oleg, Buks, Eyal
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 07.03.2007
Institute of Physics
Subjects
Applied sciences
Electronics
Exact sciences and technology
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting devices
Strip line resonators
Thermal instability
Adiabatic approximation
Superconducting resonator
Bridge circuit
Equation of motion
Modulation
Analytical method
Microwave
Niobium nitride
Numerical method
Non linear effect
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Summary:We study theoretically and experimentally the response of a microwave superconducting stripline resonator, integrated with a microbridge, to a monochromatic injected signal. We find that there is a certain range of driving parameters in which a novel nonlinear phenomenon emerges, and self-sustained modulation of the reflected power off the resonator is generated by the resonator. A theoretical model which attributes the self-modulation to a thermal instability yields a good agreement with the experimental results.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/19/9/096206