Design of GaN-based optical switch for telecommunication links

Maratul Hamidah, Retno Wigajatri Purnamaningsih, M. Raditya Gumilar, N. R. Poespawati

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

Abstract

This paper reported the design of the optical switch using GaN/sapphire for telecommunication wavelength at 1.55 μm. The design of optical switch based on Mach-Zehnder Interferometer which is consists of two directional couplers connected by two rectangular arms. Design optimization was conducted by finite difference beam propagation method (FD-BPM) using OptiBPM software. Optimization was conducted by a varying waveguide parameter such as waveguide width, waveguide thickness, width gap, and coupling gap. From the numerical experiment, the best design obtained of the optical switch was 6380 μm long and 15 μm wide, with the electrode length, was of 4500 μm. The optical switch could operate as an optical switch at Vπ = 34V with and a power imbalance of 8.73 dB, an insertion loss of 1.20 dB, an extinction ratio of 8.73 dB.

Original languageEnglish
Title of host publicationFourth International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2020
EditorsAgus Muhammad Hatta, Aulia Nasution, Ruri Agung Wahyuono
PublisherSPIE
ISBN (Electronic)9781510644120
DOIs
Publication statusPublished - 2021
Event4th International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2020 - Virtual, Online, Indonesia
Duration: 1 Dec 20202 Dec 2020

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11789
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference4th International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2020
CountryIndonesia
CityVirtual, Online
Period1/12/202/12/20

Keywords

  • FD-BPM
  • Gallium Nitride
  • OptiBPM
  • Optical switch
  • Photonics device

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