Scholarlink

This study presents the design and optimization of a mode multiplexer (MUX) based on photonic crystal (PC) structures for mode-division multiplexing (MDM) in optical communication system. The MUX design utilizes a square lattice of air holes embedded in a silicon substrate, facilitating selective mode propagation and efficient wave confinement. Building upon previous research on PC-based MUX designs, we introduce an innovative approach using Particle Swarm Optimization (PSO) to optimize critical parameters such as tapered waveguides and Add Drop Couplers (ADC), significantly enhancing performance. Electromagnetic simulations were performed using the Finite-Difference Time-Domain (FDTD) method. The optimization process Resulted in significant improvements, including a reduction in insertion loss of –0.16 dB to –0.10 dB for TE0 and from –0.49 dB to –0.30 dB for TE3, as well as an enhancement in crosstalk from –15 dB to –25 dB for TE0 and from –11 dB to –16 dB for TE4. Additionally, coupling efficiency for TE4 increased from 95.6% to 97.2%, demonstrating the effectiveness of PSO in Optimizing MDM based optical communication systems.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Optimization of Mode Multiplexer Based on Photonic Crystal Structure for Enhanced Performance in Mode Division Multiplexing Systems Using Particle Swarm Optimization (PSO)

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Khaoula Aguech,
  • Mourad Menif,
  • Amine Ben Salem

摘要

This study presents the design and optimization of a mode multiplexer (MUX) based on photonic crystal (PC) structures for mode-division multiplexing (MDM) in optical communication system. The MUX design utilizes a square lattice of air holes embedded in a silicon substrate, facilitating selective mode propagation and efficient wave confinement. Building upon previous research on PC-based MUX designs, we introduce an innovative approach using Particle Swarm Optimization (PSO) to optimize critical parameters such as tapered waveguides and Add Drop Couplers (ADC), significantly enhancing performance. Electromagnetic simulations were performed using the Finite-Difference Time-Domain (FDTD) method. The optimization process Resulted in significant improvements, including a reduction in insertion loss of –0.16 dB to –0.10 dB for TE0 and from –0.49 dB to –0.30 dB for TE3, as well as an enhancement in crosstalk from –15 dB to –25 dB for TE0 and from –11 dB to –16 dB for TE4. Additionally, coupling efficiency for TE4 increased from 95.6% to 97.2%, demonstrating the effectiveness of PSO in Optimizing MDM based optical communication systems.