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Nondegenerate param...
Nondegenerate parametric oscillations in a tunable superconducting resonator
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- Bengtsson, Andreas, 1991 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Krantz, Philip, 1984 (author)
- Massachusetts Institute of Technology (MIT)
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- Simoen, Michael Roger Andre, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Svensson, Ida-Maria, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Schneider, Ben, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Shumeiko, Vitaly, 1946 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Delsing, Per, 1959 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bylander, Jonas, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018
- 2018
- English.
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In: Physical Review B. - 2469-9969 .- 2469-9950. ; 97:14
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Abstract
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- We investigate nondegenerate parametric oscillations in a superconducting microwave multimode resonator that is terminated by a superconducting quantum interference device (SQUID). The parametric effect is achieved by modulating magnetic flux through the SQUID at a frequency close to the sum of two resonator-mode frequencies. For modulation amplitudes exceeding an instability threshold, self-sustained oscillations are observed in both modes. The amplitudes of these oscillations s how good quantitative agreement with a theoretical model. The oscillation phases are found to be correlated and exhibit strong fluctuations which broaden the oscillation spectral linewidths. These linewidths are significantly reduced by applying a weak on-resonant tone, which also suppresses the phase fluctuations. When the weak tone is detuned, we observe synchronization of the oscillation frequency with the frequency of the input. For the detuned input, we also observe an emergence of three idlers in the output. This observation is in agreement with theory indicating four-mode amplification and squeezing of a coherent input.
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Bengtsson, Andre ...
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Krantz, Philip, ...
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Simoen, Michael ...
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Svensson, Ida-Ma ...
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Schneider, Ben, ...
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Shumeiko, Vitaly ...
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show more...
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Delsing, Per, 19 ...
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Bylander, Jonas, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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Physical Review ...
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Chalmers University of Technology