An S-bend Based Optical Power Splitter Using GaN/Al2O3

Retno Wigajatri Purnamaningsih, Syamsu E. Rijal, Muhammad Raditya Gumilar, Narendra Putra Dipta

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The optical power splitters are one of the fundamental components in optical communication. These devices are used as lightwave distributions. This paper reports the optimisation of the S-bend based optical power using Gallium Nitride (GaN) semiconductor on sapphire. The optimisation was conducted by investigating the effect of waveguide parameters on the structure using a finite difference beam propagation method (FD-BPM). The numerical experiment result showed that the proposed optical power splitter could successfully split light into two output branches. The best geometrical values of the splitter were found to be 1500 μm long and 38 μm wide accordingly, with a coupling gap of 7 μm and an offset length of 12 μm. It could split input light into two output branches almost perfectly, with the splitting ratio of 50:50. The propagation of optical field propagation along the structure was uniform. The relative power was 93.19 % at long-wavelength optical communication of 1.55μm with an excess loss of 0.31 dB.

Original languageEnglish
Title of host publicationICETAS 2019 - 2019 6th IEEE International Conference on Engineering, Technologies and Applied Sciences
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728140827
DOIs
Publication statusPublished - Dec 2019
Event6th IEEE International Conference on Engineering, Technologies and Applied Sciences, ICETAS 2019 - Kuala Lumpur, Malaysia
Duration: 20 Dec 201921 Dec 2019

Publication series

NameICETAS 2019 - 2019 6th IEEE International Conference on Engineering, Technologies and Applied Sciences

Conference

Conference6th IEEE International Conference on Engineering, Technologies and Applied Sciences, ICETAS 2019
Country/TerritoryMalaysia
CityKuala Lumpur
Period20/12/1921/12/19

Keywords

  • coupled-mode
  • FD-BPM
  • gallium nitride
  • optical power splitter
  • photonic devices
  • S-bend waveguide

Fingerprint

Dive into the research topics of 'An S-bend Based Optical Power Splitter Using GaN/Al2O3'. Together they form a unique fingerprint.

Cite this