Multi-Objective Optimization of Optical Micro resonators for Integrated Optoelectronic Applications

Aَli Jokar ¹ ( )
mhdi taghizadeh ² ( )
Nahid Adlband ³ ( )
Jasem Jamali ⁴ ( )
Mohammad Mehdi Ghanbarian ⁵ ( )

Submited date : 2025-03-02 Accepted date : 2025-10-04

Keywords: Optical micro resonators, Multi-objective optimization, integrated optoelectronics, High-Q resonators, perforated ring resonator, Nanoparticle-enhanced photonics,

Abstract :

This study presents the multi-objective design and optimization of optical microresonators for integrated optoelectronic applications. The research addresses key challenges such as enhancing efficiency, minimizing energy losses, and improving structural performance to achieve high-Q operation. Using advanced photonic simulation tools, critical parameters—including doping concentration, geometric modifications, and plasmonic nanoparticle incorporation—were optimized. The results show that a moderately doped MRR (1×10¹⁷ cm⁻³) achieves Q-factors exceeding 15,000 and increases the absorption coefficient up to ~1.47, representing more than a sevenfold improvement compared to the undoped case. Furthermore, integration of Au/Ag nanoparticles enhances absorption by nearly 10× and boosts sensitivity by 20–25%. The optimized perforated resonator design also broadens the resonance spectrum, enabling multi-resonant operation suitable for advanced sensing applications. Overall, the proposed hybrid MRR configuration demonstrates superior light confinement, absorption enhancement, and detection sensitivity, highlighting its strong potential for next-generation optoelectronic integration.

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