Demonstration of WDM weighted addition for principal component analysis | Zendy

Alexander N. Tait | Zendy; John Chang | Zendy; Bhavin J. Shastri | Zendy; Mitchell A. Nahmias | Zendy; Paul R. Prucnal | Zendy

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Demonstration of WDM weighted addition for principal component analysis

Author(s) -

Alexander N. Tait,

John Chang,

Bhavin J. Shastri,

Mitchell A. Nahmias,

Paul R. Prucnal

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.012758

Subject(s) - wavelength division multiplexing , computer science , signal processing , multiplexing , photonics , bandwidth (computing) , wideband , electronic engineering , optics , telecommunications , wavelength , engineering , physics , radar

We consider an optical technique for performing tunable weighted addition using wavelength-division multiplexed (WDM) inputs, the enabling function of a recently proposed photonic spike processing architecture [J. Lightwave Technol., 32 (2014)]. WDM weighted addition provides important advantages to performance, integrability, and networking capability that were not possible in any past approaches to optical neurocomputing. In this letter, we report a WDM weighted addition prototype used to find the first principal component of a 1Gbps, 8-channel signal. Wideband, multivariate techniques have immediate relevance to modern radio systems, and photonic spike processing networks enabled by WDM could open new domains of information processing that bring unprecedented bandwidth and intelligence to problems in radio communications, ultrafast control, and scientific computing.

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