Quantum nondemolition microwave photon counter based on the cross-Kerr nonlinearity of a Josephson junction embedded in a superconducting circuit
US9922289B2 · kind B2 · utility
10Cited by
3References
11Claims
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Key dates
| Filing date | Sep 30, 2015 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | May 15, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P7/082
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A technique relates to a microwave device. A pump resonator, at a first pump resonator end, is connected to both a dispersive nonlinear element and a first stub. The pump resonator, at a second pump resonator end, is capacitively coupled to a pump port, where the first stub is terminated in an open circuit. A quantum signal resonator, at a first quantum signal resonator end, is connected to both the dispersive nonlinear element and a second stub. The quantum signal resonator, at a second signal resonator end, is capacitively coupled to a signal port, where the second stub is connected to ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.