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Microwave photon ge...
Microwave photon generation in a doubly tunable superconducting resonator
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- Svensson, Ida-Maria, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Pierre, Mathieu, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Simoen, Michael Roger Andre, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wustmann, Waltraut, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Krantz, Philip, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bengtsson, Andreas, 1991 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johansson, Göran, 1971 (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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- 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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(creator_code:org_t)
- 2018-04-19
- 2018
- English.
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In: Journal of Physics: Conference Series. - : IOP Publishing. - 1742-6588 .- 1742-6596. ; 969:1
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Abstract
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- We have created a doubly tunable resonator, with the intention to simulate relativistic motion of the resonator boundaries in real space. Our device is a superconducting coplanar-waveguide microwave resonator, with fundamental resonant frequency ω 1 / (2 π ) ~ 5 GHz. Both of its ends are terminated to ground via dc-SQUIDs, which serve as magnetic-flux-controlled inductances. Applying a flux to either SQUID allows the tuning of ω 1 / (2 π ) by approximately 700 MHz. Using two separate on-chip magnetic-flux lines, we modulate the SQUIDs with two tones of equal frequency, close to 2 ω 1 . We observe photon generation, at ω 1 , above a certain pump amplitude threshold. By varying the relative phase of the two pumps we are able to control this threshold, in good agreement with a theoretical model. At the same time, some of our observations deviate from the theoretical predictions, which we attribute to parasitic couplings resulting in current driving of the SQUIDs
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- kon (subject category)
- ref (subject category)
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- By the author/editor
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Svensson, Ida-Ma ...
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Pierre, Mathieu, ...
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Simoen, Michael ...
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Wustmann, Waltra ...
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Krantz, Philip, ...
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Bengtsson, Andre ...
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show more...
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Johansson, Göran ...
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Bylander, Jonas, ...
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Shumeiko, Vitaly ...
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Delsing, Per, 19 ...
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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 Condensed Matter ...
- Articles in the publication
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Journal of Physi ...
- By the university
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Chalmers University of Technology