Frontiers of Optoelectronics

, Volume 9, Issue 4, pp 578–584 | Cite as

All-optical AND/OR/NOT logic gates based on photonic crystal ring resonators

  • Ashkan Pashamehr
  • Mahdi Zavvari
  • Hamed Alipour-Banaei
Research Article


Photonic crystal based ring resonators are best choice for designing all-optical devices. In this paper, we used a basic structure of photonic crystal ring resonators and designed all optical logic gates which are working using the Kerr effect. The proposed gates consisted of upper and lower waveguides coupled through a resonator which was designed for dropping of special wavelength. The resonance wavelength was designed for 1550 nm telecom operation wavelength. We used numerical methods such as plane wave expansion and finite difference time domain (FDTD) for performing our simulations and studied the optical properties of the proposed structures. Our results showed that the critical input power for triggering the gate output was lower compared to previously reported gates.


photonic crystal (PhC) all optical logic gate ring resonator Kerr effect 


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Copyright information

© Higher Education Press and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Ashkan Pashamehr
    • 1
  • Mahdi Zavvari
    • 1
  • Hamed Alipour-Banaei
    • 2
  1. 1.Department of Electrical Engineering, Urmia BranchIslamic Azad UniversityUrmiaIran
  2. 2.Department of Electrical Engineering, Tabriz BranchIslamic Azad UniversityTabrizIran

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