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Few-photon degenerate parametric resonance in a two-tone driven microwave resonator
Orjan Ameye, Jakob Koenig, Clinton Potts +2
Multi-tone external driving offers a route to parametric physics without directly modulating the device. However, the validity of the parametric response in the few-photon regime r…
Collapse and Inversion of the Josephson Potential in a Strongly Driven Superconducting Circuit
Sercan Deve, Marius Villiers, Marijn A. Morssink +2
Superconducting circuits embedding Josephson junctions leverage microwave drives for control and measurement of quantum states. Although increasing the drive power is desirable for…
All-microwave Lamb shift engineering for a fixed frequency multi-level superconducting qubit
Byoung-moo Ann, Gary A. Steele
It is known that the electromagnetic vacuum is responsible for the Lamb shift, which is a crucial phenomenon in quantum electrodynamics (QED). In circuit QED, the readout or bus re…
Photon-Pressure with an Effective Negative Mass Microwave Mode
Ines C. Rodrigues, Gary A. Steele, Daniel Bothner
Harmonic oscillators belong to the most fundamental concepts in physics and are central to many current research fields such as circuit QED, cavity optomechanics and photon-pressur…
Resolving non-perturbative renormalization of a microwave-dressed weakly anharmonic superconducting qubit
Byoung-moo Ann, Sercan Deve, Gary A. Steele
Microwave driving is a ubiquitous technique for superconducting qubits (SCQs), but the dressed states description based on the conventionally used perturbation theory cannot fully…
Parametrically enhanced interactions and non-trivial bath dynamics in a photon-pressure Kerr amplifier
Ines C. Rodrigues, Gary A. Steele, Daniel Bothner
Photon-pressure coupling between two superconducting circuits is a promising platform for investigating radiation-pressure coupling in novel parameter regimes and for the developme…