Speaker
Description
Atomic and solid-state spin ensembles are promising platforms for implementing quantum technologies, but the unavoidable presence of noise imposes the needs for error correction. Typical quantum error correction requires addressing specific qubits, but this requirement is practically challenging in most ensemble platforms. In this work, we propose a quantum error correction scheme for error correction without individual spin resolution. Our scheme encodes quantum information in superposition of excitation states, even though they are fundamentally mixed. We show that our code can protect against both individual and collective errors of dephasing, decaying, and thermalization. Furthermore, we illustrate how our scheme can be implemented with realistic interaction and control. We also exemplify the application of our formalism in robust quantum memory and loss-tolerant sensing.
| Keyword-1 | Identical Spin Ensembles |
|---|---|
| Keyword-2 | Quantum Error Correction |
