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Generation and detection of photonic qutrit states by linear optics
KTH, Skolan för informations- och kommunikationsteknik (ICT), Mikroelektronik och Informationsteknik, IMIT.ORCID-id: 0000-0002-2082-9583
2008 (engelsk)Inngår i: Quantum information & computation, ISSN 1533-7146, Vol. 8, nr 5, s. 386-398Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We address the problem of generation and detection of the four mutually unbiased biphoton polarization-qutrit bases by linear optics. First, the generation of the bases is studied. Our numeric results show that the linear optics method can be used to generate the 4 mutually unbiased basis qutrit states probabilistically with high fidelity. Second, we investigate whether or not linear polarization-optics components are sufficient to realize the simultaneous detection of the qutrit states forming a complete basis. Analytical results show that every state in two of the bases, namely only half of the 4 mutually unbiased bases qutrit states can be identified.

sted, utgiver, år, opplag, sider
2008. Vol. 8, nr 5, s. 386-398
Emneord [en]
linear optics, mutually unbiased based, photonic qutrit, quantum cryptography, systems, realization, biphotons
Identifikatorer
URN: urn:nbn:se:kth:diva-17435ISI: 000254677700002Scopus ID: 2-s2.0-65549102757OAI: oai:DiVA.org:kth-17435DiVA, id: diva2:335479
Merknad
QC 20100525Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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