Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83032
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dc.contributor.authorSu, Shih-Weien
dc.contributor.authorGou, Shih-Chuanen
dc.contributor.authorChew, Lock Yueen
dc.contributor.authorChang, Yu-Yenen
dc.contributor.authorYu, Ite A.en
dc.contributor.authorKalachev, Alexeyen
dc.contributor.authorLiao, Wen-Teen
dc.date.accessioned2018-06-28T04:06:13Zen
dc.date.accessioned2019-12-06T15:10:35Z-
dc.date.available2018-06-28T04:06:13Zen
dc.date.available2019-12-06T15:10:35Z-
dc.date.issued2017en
dc.identifier.citationSu, S.-W., Gou, S.-C., Chew, L. Y., Chang, Y.-Y., Yu, I. A., Kalachev, A., et al. (2017). Setting a disordered password on a photonic memory. Physical Review A, 95(6), 061805-.en
dc.identifier.issn2469-9926en
dc.identifier.urihttps://hdl.handle.net/10356/83032-
dc.description.abstractAn all-optical method of setting a disordered password on different schemes of photonic memory is theoretically studied. While photons are regarded as ideal information carriers, it is imperative to implement such data protection on all-optical storage. However, we wish to address the intrinsic risk of data breaches in existing schemes of photonic memory. We theoretically demonstrate a protocol using spatially disordered laser fields to encrypt data stored on an optical memory, namely, encrypted photonic memory. To address the broadband storage, we also investigate a scheme of disordered echo memory with a high fidelity approaching unity. The proposed method increases the difficulty for the eavesdropper to retrieve the stored photon without the preset password even when the randomized and stored photon state is nearly perfectly cloned. Our results pave ways to significantly reduce the exposure of memories, required for long-distance communication, to eavesdropping and therefore restrict the optimal attack on communication protocols. The present scheme also increases the sensitivity of detecting any eavesdropper and so raises the security level of photonic information technology.en
dc.format.extent5 p.en
dc.language.isoenen
dc.relation.ispartofseriesPhysical Review Aen
dc.rights© 2017 American Physical Society (APS). This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: [http://dx.doi.org/10.1103/PhysRevA.95.061805]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectQuantum Informationen
dc.subjectCoherent Controlen
dc.titleSetting a disordered password on a photonic memoryen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.identifier.doi10.1103/PhysRevA.95.061805en
dc.description.versionPublished versionen
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