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Title: Distilling quantum entanglement via mode-matched filtering

Abstract

We propose an avenue toward distillation of quantum entanglement that is implemented by directly passing the entangled qubits through a mode-matched filter. This approach can be applied to a common class of entanglement impurities appearing in photonic systems, where the impurities inherently occupy different spatiotemporal modes than the entangled qubits. As a specific application, we show that our method can be used to significantly purify the telecom-band entanglement generated via the Kerr nonlinearity in single-mode fibers where a substantial amount of Raman-scattering noise is concomitantly produced.

Authors:
;  [1]
  1. Center for Photonic Communication and Computing, EECS Department, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3118 (United States)
Publication Date:
OSTI Identifier:
22068660
Resource Type:
Journal Article
Journal Name:
Physical Review. A
Additional Journal Information:
Journal Volume: 84; Journal Issue: 3; Other Information: (c) 2011 American Institute of Physics; Country of input: Syrian Arab Republic; Journal ID: ISSN 1050-2947
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 74 ATOMIC AND MOLECULAR PHYSICS; FIBERS; FILTERS; IMPURITIES; NOISE; NONLINEAR PROBLEMS; QUANTUM ENTANGLEMENT; QUBITS; RAMAN EFFECT

Citation Formats

Huang Yuping, and Kumar, Prem. Distilling quantum entanglement via mode-matched filtering. United States: N. p., 2011. Web. doi:10.1103/PHYSREVA.84.032315.
Huang Yuping, & Kumar, Prem. Distilling quantum entanglement via mode-matched filtering. United States. doi:10.1103/PHYSREVA.84.032315.
Huang Yuping, and Kumar, Prem. Thu . "Distilling quantum entanglement via mode-matched filtering". United States. doi:10.1103/PHYSREVA.84.032315.
@article{osti_22068660,
title = {Distilling quantum entanglement via mode-matched filtering},
author = {Huang Yuping and Kumar, Prem},
abstractNote = {We propose an avenue toward distillation of quantum entanglement that is implemented by directly passing the entangled qubits through a mode-matched filter. This approach can be applied to a common class of entanglement impurities appearing in photonic systems, where the impurities inherently occupy different spatiotemporal modes than the entangled qubits. As a specific application, we show that our method can be used to significantly purify the telecom-band entanglement generated via the Kerr nonlinearity in single-mode fibers where a substantial amount of Raman-scattering noise is concomitantly produced.},
doi = {10.1103/PHYSREVA.84.032315},
journal = {Physical Review. A},
issn = {1050-2947},
number = 3,
volume = 84,
place = {United States},
year = {2011},
month = {9}
}