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Analog computing by Brewster effect

Youssefi, A ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1364/OL.41.003467
  3. Publisher: OSA - The Optical Society
  4. Abstract:
  5. Optical computing has emerged as a promising candidate for real-time and parallel continuous data processing. Motivated by recent progresses in metamaterial-based analog computing [Science 343, 160 (2014)], we theoretically investigate the realization of two-dimensional complex mathematical operations using rotated configurations, recently reported in [Opt. Lett. 39, 1278 (2014)]. Breaking the reflection symmetry, such configurations could realize both even and odd Green's functions associated with spatial operators. Based on such an appealing theory and by using the Brewster effect, we demonstrate realization of a firstorder differentiator. Such an efficient wave-based computation method not only circumvents the major potential drawbacks of metamaterials, but also offers the most compact possible device compared to conventional bulky lens-based optical signal and data processors
  6. Keywords:
  7. Data handling ; Lenses ; Metamaterials ; Optical data processing ; Analog computing ; Computation methods ; Continuous data ; Differentiators ; Mathematical operations ; Optical signals ; Recent progress ; Reflection symmetry ; Computation theory
  8. Source: Optics Letters ; Volume 41, Issue 15 , 2016 , Pages 3467-3470 ; 01469592 (ISSN)
  9. URL: https://www.osapublishing.org/ol/abstract.cfm?uri=ol-41-15-3467