ALL-OPTICAL LOGIC GATE OPERATION WITH A MULTI-CORE NONLINEAR PHOTONIC CRYSTAL FIBER

Authors

  • Nguyen Dang Quang Huy Faculty of Physics, Hanoi National University of Education, Hanoi city, Vietnam
  • Tran Phuong Yen Faculty of Physics, Hanoi National University of Education, Hanoi city, Vietnam
  • Do Duc Tho Faculty of Engineering Physics, Hanoi University of Science and Technology, Hanoi city, Vietnam
  • Cao Xuan Thang School of Materials Science and Engineering, Hanoi University of Science and Technology, Hanoi city, Vietnam
  • Bui Duc Tinh Faculty of Physics, Hanoi National University of Education, Hanoi city, Vietnam
  • Tran Ky Vi Faculty of Physics, Hanoi National University of Education, Hanoi city, Vietnam
  • Mattia Longobucco Łukasiewicz Research Network - Institute of Microelectronics and Photonics, Warsaw city, Poland; School of Electrical and Electronics Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
  • Nguyen Thi Dung Department of Natural Sciences, Hong Duc University, Thanh Hoa city, Vietnam
  • Tran Thi Hai Department of Natural Sciences, Hong Duc University, Thanh Hoa city, Vietnam
  • Nguyen Viet Hung School of Materials Science and Engineering, Hanoi University of Science and Technology, Hanoi city, Vietnam

DOI:

https://doi.org/10.18173/2354-1059.2024-0019

Keywords:

coupled nonlinear Schrodinger equations, logic gates, photonic crystal fiber, split-step Fourier algorithm

Abstract

In this paper, we propose the design of a photonic crystal fiber with four central cores infiltrated by a high-index liquid to achieve highly efficient control of light guidance. We analyze the field distribution, effective mode area, and dispersion characteristics of the fundamental guided modes of the fiber. Within the coupled-mode theory, the pulse propagation in the fiber is governed by coupled nonlinear Schrödinger equations. We use the split-step Fourier method to simulate the propagation of pulses numerically. The results show three features of the dynamics: oscillation, switching, and self-trapping. We predict that the fiber could operate as a logic-gate device by introducing suitable input and control signals.

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Published

26-06-2024

Issue

Volume 69, Issue 2, 2024: Natural Sciences

Section

Articles