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dc.contributor.authorZheludev, Nikolay I.en
dc.contributor.authorWu, Kanen
dc.contributor.authorSoci, Cesareen
dc.contributor.authorShum, Perry Pingen
dc.identifier.citationWu, K., Soci, C., Shum, P. P., & Zheludev, N. I. (2014). Computing matrix inversion with optical networks. Optics Express, 22(1), 295-304.en
dc.description.abstractWith this paper we bring about a discussion on the computing potential of complex optical networks and provide experimental demonstration that an optical fiber network can be used as an analog processor to calculate matrix inversion. A 3x3 matrix is inverted as a proof-of-concept demonstration using a fiber network containing three nodes and operating at telecomm wavelength. For an NxN matrix, the overall solving time (including setting time of the matrix elements and calculation time of inversion) scales as O(N2), whereas matrix inversion by most advanced computer algorithms requires ~O(N2.37) computational time. For well-conditioned matrices, the error of the inversion performed optically is found to be around 3%, limited by the accuracy of measurement equipment.en
dc.relation.ispartofseriesOptics expressen
dc.rights© 2014 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [].  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.subjectDRNTU::Science::Physics::Optics and lighten
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonicsen
dc.titleComputing matrix inversion with optical networksen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.description.versionPublished versionen
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