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Surpassing spectator qubits with photonic modes and continuous measurement for Heisenberg-limited noise mitigation
Andrew Lingenfelter, Aashish A. Clerk
Noise is an ever-present challenge to the creation and preservation of fragile quantum states. Recent work suggests that spatial noise correlations can be harnessed as a resource f…
Single-Spin Readout and Quantum Sensing using Optomechanically Induced Transparency
Martin Koppenhöfer, Carl Padgett, Jeffrey V. Cady +4
Solid-state spin defects are promising quantum sensors for a large variety of sensing targets. Some of these defects couple appreciably to strain in the host material. We propose t…
Autonomous quantum error correction and fault-tolerant quantum computation with squeezed cat qubits
Qian Xu, Guo Zheng, Yu-Xin Wang +3
We propose an autonomous quantum error correction scheme using squeezed cat (SC) code against the dominant error source, excitation loss, in continuous-variable systems. Through re…
Anomalously large relaxation times in dissipative lattice models beyond the non-Hermitian skin effect
Gideon Lee, Alexander McDonald, Aashish Clerk
We show for generic quantum non-Hermitian tight-binding models that relaxation timescales of local observables are not controlled by the localization length associate…
Dissipative Pairing Interactions: Quantum Instabilities, Topological Light, and Volume-Law Entanglement
Andrew Pocklington, Yu-Xin Wang, Aashish A. Clerk
We analyze an unusual class of bosonic dynamical instabilities that arise from dissipative (or non-Hermitian) pairing interactions. We show that, surprisingly, a completely stable…
Competition between two-photon driving, dissipation and interactions in bosonic lattice models: an exact solution
David Roberts, Aashish Clerk
We present an exact solution in arbitrary dimensions for the steady states of a class of quantum driven-dissipative bosonic models, where a set of modes is subject to arbitrary two…