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      Localized quantum walks in quasi-periodic Fibonacci arrays of waveguides.

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      Optics express
      Optica Publishing Group

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          Abstract

          New quasi-periodic arrays of waveguides (AWs) constructed with Fibonacci sequences are proposed to realize localized quantum walks (LQWs). The proposed Fibonacci arrays of waveguides (FAWs) are simple and straightforward to make, but have a rich set of properties that are of potential use for applications in quantum communication. Our simulations show that, in contrast with randomly disordered AWs, LQWs in FAWs are highly controllable due to the deterministic disorder nature of quasi-periodic systems. Furthermore, unique LQWs with symmetrical probability distribution can be conveniently realized in the FAWs.

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          Author and article information

          Journal
          Opt Express
          Optics express
          Optica Publishing Group
          1094-4087
          1094-4087
          Jan 21 2019
          : 27
          : 2
          Article
          403780
          10.1364/OE.27.000886
          30696167
          32ef5bca-c39b-429d-8266-d36e49f04239

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