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A novel proposal for all-optical decoder based on photonic crystals

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Abstract

In this paper, a new structure for all-optical 2-to-4 decoder is proposed which consists of six nonlinear photonic crystal ring resonators. The lattice constant of the main structure is a = 600 nm, and the refractive index and radii of rods are 3.1 and 0.2a, respectively. Simulation results have proved correct operation states of the decoder and numerical analysis is done in order to additional evaluation. The maximum and minimum power levels for logic 0 and 1 are \(0.1P_{\mathrm{in}}\) and \(0.37P_{\mathrm{in}}\) where \(P_{\mathrm{in}}\) is input power. The maximum cross talk and insertion loss are calculated about −38 and −20 dB, respectively. Since the operation speed of the decoder is more than 160 GHz, it will be appropriate candidate for being employed in ultrahigh-speed optical communication systems.

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Authors and Affiliations

  1. Department of Electrical Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran

    Tina Daghooghi, Mohammad Soroosh & Karim Ansari-Asl

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  1. Tina Daghooghi
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  2. Mohammad Soroosh
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  3. Karim Ansari-Asl
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Correspondence to Mohammad Soroosh.

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Daghooghi, T., Soroosh, M. & Ansari-Asl, K. A novel proposal for all-optical decoder based on photonic crystals. Photon Netw Commun 35, 335–341 (2018). https://doi.org/10.1007/s11107-017-0746-4

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  • DOI: https://doi.org/10.1007/s11107-017-0746-4

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