Volume 85, Number 6, March 2009
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||31 March 2009|
Intermodulation and parametric amplification in a superconducting stripline resonator integrated with a dc-SQUID
Department of Electrical Engineering, Technion - Haifa 32000, Israel
2 Department of Physics and Astronomy, Dartmouth College - Hanover, NH 03755, USA
Corresponding author: email@example.com
Accepted: 23 February 2009
We utilize a superconducting stripline resonator containing a dc-SQUID as a strong intermodulation amplifier exhibiting a signal gain of 24 dB and a phase modulation of 30 dB. Studying the system response in the time domain near the intermodulation amplification threshold reveals a unique noise-induced spikes behavior. We account for this response qualitatively via solving numerically the equations of motion for the integrated system. Furthermore, employing this device as a parametric amplifier yields an abrupt rise of 38 dB in the generated side-band signal.
PACS: 85.25.Dq – Superconducting quantum interference devices (SQUIDs) / 84.40.Dc – Microwave circuits / 05.45.-a – Nonlinear dynamics and chaos
© EPLA, 2009
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