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Design and simulation of fiber to chip butt coupler for SiN integrated photonics

  • SiN is a suitable material for fabricating of photonic integrated circuits with middle refractive index contrast for the visible and near infrared spectral region with ultra-low propagation losses. The paper deals with the design and simulation of fiber to SiN chip butt coupler with single step fabrication process without thickness tapering. Coupler is designed for 850 nm band for coupling between strip 0.25 μm × 1.00 μm waveguide and Nufern's 780-OCT single mode optical fiber with core diameter 4.4 μm. The coupling losses simulation results of the two simulation methods finite-difference beam propagation techniques and eigenmode expansion method are compared.

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Author:Jozef Chovan, Frantisek Uherek, Eduard Koza, Jozef Pavlov, Dana Seyringer, Lenka Gajdosova
Parent Title (German):ICTON 2019. 21st International Conference on Transparent Optical Networks. 9-13 July 2019, Angers, France
Publisher:National Institute of Telecommunications
Place of publication:Warsaw, Poland
Editor:Marek Jaworski, Marian Marciniak
Document Type:Conference Proceeding
Year of publication:2019
Release Date:2019/11/20
Number og pages:4
Organisationseinheit:Forschung / Forschungszentrum Mikrotechnik
DDC classes:600 Technik, Medizin, angewandte Wissenschaften
Publicationlist:Gajdosova, Lenka
Seyringer, Dana
Bibliographie 2019
Licence (German):License LogoUrhG - The Austrian Copyright Act applies - Es gilt das österr. Urheberrechtsgesetz