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Open Quantum Systems Decoherence
Measurement Induced Subradiance
arXiv
Authors: Ipsita Bar, Aditi Thakar, B. Prasanna Venkatesh
Year
2026
Paper ID
15793
Status
Preprint
Abstract Read
~2 min
Abstract Words
82
Citations
N/A
Abstract
Preparing subradiant steady states of collectively emitting quantum two-level emitters (TLEs) is hindered by their dark, weakly interacting nature. Existing approaches rely on patterned driving, local control, or structured environments. We propose a platform-independent protocol based on projective measurements on a single TLE. For permutation-symmetric ensembles, a single measurement yields appreciable occupation of single-excitation subradiant steady states. For generic arrays, repeated measurements on one emitter drive the unmeasured TLEs into a nearly pure state with large overlap with the subradiant Dicke subspace.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2026 reference point for readers tracking recent quantum research.
- Preparing subradiant steady states of collectively emitting quantum two-level emitters (TLEs) is hindered by their dark, weakly interacting nature.
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