Ilan Rosen – Designing improved zero-pi qubits using capacitors with high specific capacitance
Автор: Byron Bay Quantum Computing Workshop
Загружено: 2023-07-21
Просмотров: 168
Описание: The “hard” zero-pi qubit regime—a zero-pi qubit exponentially immune to decoherence—is inaccessible due, in part, to the large capacitance to ground of extant devices. Replacing coplanar capacitors with parallel-plate capacitors, which for equivalent capacitance values have dramatically smaller footprints, reduces the ground capacitance and extends the accessible regime of present “soft” zero-pi qubits. Here, we show that the newly-accessible parameter regime enables a device with increased immunity to decoherence. We discuss potential design flaws and parameter regimes that need to be avoided. Lastly, we discuss new opportunities for qubit control and further device improvements.
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