Abstract
We present a microwave amplitude/phase modulation device based on superconducting resonator and synthetic transmission line technology. The primary benefits of this device are agile frequency response for modulation over a 2 GHz bandwidth, low power dissipation and potential for integration with superconducting qubits and high-speed SFQ logic. This device demonstrates phase modulation of >; 90°, and amplitude modulation of ≈ 30 dB in a 2 GHz local oscillator bandwidth. We also show modulation of a 3.5 GHz microwave signal by a Gaussian pulse with σ ≈ 4 ns . The targeted application of this technology is for low power microwave pulse generation for qubit applications. In this paper we present results for the modulator and introduce potential applications in quantum computing.
Published Version
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