Multimode josephson parametric converter: coupling josephson ring modulator to metamaterial
AssigneeInternational Business Machines Corporation
InventorBaleegh Abdo
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Abstract
A technique relates to operating a multimode Josephson parametric converter as a multimode quantum limited amplifier. The multimode Josephson parametric converter receives multiple quantum signals in parallel at different resonance frequencies. The multimode Josephson parametric converter amplifies simultaneously the multiple quantum signals, according to pump signals applied to the multimode Josephson parametric converter. The multiple quantum signals having been amplified at the different resonance frequencies are reflected, according to the pump signals.
Claims20
A method of remote entanglement of multiple qubits by measurement, the method comprising:
- receiving, by a first multimode resonator in a multimode Josephson parametric converter, a first group of readout signals resonant with resonance modes of the first multimode resonator, wherein the first multimode resonator is a first left-handed transmission line;
- receiving, by a second multimode resonator in the multimode Josephson parametric converter, a second group of readout signals resonant with resonance modes of the second multimode resonator, wherein the second multimode resonator is a second left-handed transmission line;
- receiving pump signals, by the second multimode resonator, wherein the pump signals are a first frequency sum through a last frequency sum;
- and
- generating, by the Josephson parametric converter, a first qubit pair based on the first frequency sum through a last qubit pair based on the last frequency sum.
Dependencies are inferred from the claim text.