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- W4376647588 abstract "The idea of exploiting maximally-entangled states as a resource lies at the core of several modalities of quantum information processing, including secure quantum communication, quantum computation, and quantum sensing. However, due to imperfections during or after the entangling gates used to prepare such states, the amount of entanglement decreases and their quality as a resource gets degraded. We introduce a low-overhead protocol to reverse this degradation by partially filtering out a specific type of noise relevant to many quantum technologies. We present two trapped-ion schemes for the implementation of a non-unitary probabilistic filter against amplitude damping noise, which can protect any maximally-entangled pair from spontaneous photon scattering during or after the two-qubit trapped-ion entangling gates. This filter can be understood as a protocol for single-copy quasi-distillation, as it uses only local operations to realise a reversal operation that can be understood in terms of weak measurements." @default.
- W4376647588 created "2023-05-17" @default.
- W4376647588 creator A5017050666 @default.
- W4376647588 creator A5019265176 @default.
- W4376647588 creator A5082928721 @default.
- W4376647588 date "2023-05-16" @default.
- W4376647588 modified "2023-09-30" @default.
- W4376647588 title "Suppressing amplitude damping in trapped ions: Discrete weak measurements for a nonunitary probabilistic noise filter" @default.
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