1 May 2014 Recovery of qubit coherence by noise-eater technique
Author Affiliations +
Abstract
We propose a quantum noise eater for a single qubit and experimentally verify its performance for recovery of a superposition carried by a dual-rail photonic qubit. We consider a case when only one of the rails (e.g., one of interferometric arms) is vulnerable to noise. A coherent but randomly arriving photon penetrating into this single rail causes a change of its state, which results in an error in a subsequent quantum information processing. We theoretically prove and experimentally demonstrate a conditional full recovery of the superposition by this quantum noise eater.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Miroslav Gavenda, Miroslav Gavenda, Lucie Čelechovská, Lucie Čelechovská, Miloslav Dušek, Miloslav Dušek, Radim Filip, Radim Filip, "Recovery of qubit coherence by noise-eater technique", Proc. SPIE 9136, Nonlinear Optics and Its Applications VIII; and Quantum Optics III, 91362E (1 May 2014); doi: 10.1117/12.2052419; https://doi.org/10.1117/12.2052419
PROCEEDINGS
9 PAGES


SHARE
RELATED CONTENT


Back to Top