Optimized dynamic control of photonic power dividers using Sb2Se3 phase-change materials

Manal Shlebik; Mustafa Aziz; David Wright

doi:10.1117/12.3045089

15 November 2024 Optimized dynamic control of photonic power dividers using Sb₂Se₃ phase-change materials

Manal Shlebik, Mustafa Aziz, David Wright

Proceedings Volume 13204, Emerging Imaging and Sensing Technologies for Security and Defence IX; 1320409 (2024) https://doi.org/10.1117/12.3045089
Event: Security + Defence, 2024, Edinburgh, United Kingdom

Abstract

This paper explores the modelling of an integrated photonic power divider that utilizes the degree of crystallization of an Sb₂Se₃ phase-change material (PCM) patch to achieve variable power distribution ratios. The fraction of crystallinity of Sb₂Se₃, ranging from 0 to 1, provides a dynamic control mechanism for the device. Simulations were performed using a combination of optimization algorithms and wave optics interface within COMSOL Multiphysics^® to arrive at the optimum distribution of amorphous and crystalline fractions to achieve a required power distribution. The transmission coefficients serve as control variables to direct light to the upper or lower port, allowing the power divider to function as a reconfigurable and compact photonic device. These findings provide valuable insights into the use of PCMs for advancing photonic power dividers.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Manal Shlebik, Mustafa Aziz, and David Wright "Optimized dynamic control of photonic power dividers using Sb₂Se₃ phase-change materials", Proc. SPIE 13204, Emerging Imaging and Sensing Technologies for Security and Defence IX, 1320409 (15 November 2024); https://doi.org/10.1117/12.3045089

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KEYWORDS

Crystals

Design

Crystallization

Photonic crystals

Refractive index

Integrated optics

Simulations

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