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Linear-optical programmable quantum router
- 1.0424244 - FZÚ 2014 RIV NL eng J - Journal Article
Lemr, K. - Černoch, Antonín
Linear-optical programmable quantum router.
Optics Communications. Roč. 300, JUL (2013), s. 282-285. ISSN 0030-4018. E-ISSN 1873-0310
R&D Projects: GA ČR GAP205/12/0382
Institutional research plan: CEZ:AV0Z10100522
Keywords : quantum router * quantum information processing * photon pairs * quantum communications * programmable phase gate
Subject RIV: BH - Optics, Masers, Lasers
Impact factor: 1.542, year: 2013
http://ac.els-cdn.com/S0030401813002563/1-s2.0-S0030401813002563-main.pdf?_tid=d1f7d17a-66e9-11e3-aa5e-00000aab0f6c&acdnat=1387264198_99aef4d40cf81f69
This paper presents a scheme for linear-optical implementation of a programmable quantum router. Polarization encoded photon qubit is coherently routed to two spatial modes according to the state of control qubits. In our implementation, the polarization state of the signal photon does not change under the routing operation. We also discuss generalization of the scheme that would allow to obtain signal dependent routing.
Permanent Link: http://hdl.handle.net/11104/0230277
Number of the records: 1