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Hampus Renberg Nilsson

As seen in: Physical Review B
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Articles

Peripheral circuits for ideal performance of a traveling-wave parametric amplifier

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By Hampus Renberg Nilsson, Daryoush Shiri, Robert Rehammar, Anita Fadavi Roudsari
| Physical Review B
We investigate the peripheral circuits required to enable ideal performance for a high-gain traveling-wave parametric amplifier (TWPA) based on three-wave mixing .
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High-Gain Traveling-Wave Parametric Amplifier Based on Three-Wave Mixing

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By Anita Fadavi Roudsari, Per Delsing, Hampus Renberg Nilsson, Daryoush Shiri
| Physical Review B
Abstract We extend the theory for a Josephson-junction traveling-wave parametric amplifier (TWPA) operating in the three-wave-mixing regime and we propose a scheme for achieving high gain. The continuous three-mode model [P.K. Tien, J. Appl. Phys. 29, 1347 (1958)] is, on one hand, extended to describe a discrete chain of Josephson junctions at high frequencies close to the spectral cutoff where there is no up-conversion.
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