Laser-based, on-chip fabrication of glass-based core-cladding waveguides

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Autoren

  • Fabian Kranert
  • Hussein Fawaz
  • Moritz Hinkelmann
  • Jörg Neumann
  • Dietmar Kracht

Externe Organisationen

  • Laser Zentrum Hannover e.V. (LZH)
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Titel des SammelwerksIntegrated Optics
UntertitelDevices, Materials, and Technologies XXVII
Herausgeber/-innenSonia M. Garcia-Blanco, Pavel Cheben
Herausgeber (Verlag)SPIE
ISBN (elektronisch)9781510659537
PublikationsstatusVeröffentlicht - 17 März 2023
VeranstaltungIntegrated Optics: Devices, Materials, and Technologies XXVII 2023 - San Francisco, USA / Vereinigte Staaten
Dauer: 30 Jan. 20232 Feb. 2023

Publikationsreihe

NameProceedings of SPIE - The International Society for Optical Engineering
Band12424
ISSN (Print)0277-786X
ISSN (elektronisch)1996-756X

Abstract

Photonic integrated circuits (PIC) have been established for miniaturized, on-chip optical systems. Current approaches for producing PICs mostly rely on semiconductor processing technologies, which are complex and cost-intensive. A promising alternative with the potential to revolutionize PIC fabrication is additive manufacturing (AM), which offers the opportunity to develop tailored and customized waveguide designs for functionalities needed in fast-evolving modern applications like the Internet of Things. Here, an AM technology called laser glass deposition (LGD) is presented for the production of on-chip core-cladding waveguides based on fused silica. Commercially available glass fibers with a diameter of 125 µm are fused onto a quartz glass substrate using a CO2-laser in a 2.5D-printing process. Test series are performed to determine the process window to reach a stable connection between fiber and substrate while maintaining the fiber´s optical functionality. To enable efficient light coupling into the waveguide, the fiber end facets are laser cleaved after the deposition within the same process environment. Again, parameter studies are performed to reach a high surface quality. Both the waveguides and the cleaved surfaces are characterized using different imaging techniques. In addition, the optical properties of the generated waveguides are analyzed.

ASJC Scopus Sachgebiete

Zitieren

Laser-based, on-chip fabrication of glass-based core-cladding waveguides. / Kranert, Fabian; Fawaz, Hussein; Hinkelmann, Moritz et al.
Integrated Optics: Devices, Materials, and Technologies XXVII. Hrsg. / Sonia M. Garcia-Blanco; Pavel Cheben. SPIE, 2023. 124240P (Proceedings of SPIE - The International Society for Optical Engineering; Band 12424).

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Kranert, F, Fawaz, H, Hinkelmann, M, Neumann, J & Kracht, D 2023, Laser-based, on-chip fabrication of glass-based core-cladding waveguides. in SM Garcia-Blanco & P Cheben (Hrsg.), Integrated Optics: Devices, Materials, and Technologies XXVII., 124240P, Proceedings of SPIE - The International Society for Optical Engineering, Bd. 12424, SPIE, Integrated Optics: Devices, Materials, and Technologies XXVII 2023, San Francisco, USA / Vereinigte Staaten, 30 Jan. 2023. https://doi.org/10.1117/12.2649880
Kranert, F., Fawaz, H., Hinkelmann, M., Neumann, J., & Kracht, D. (2023). Laser-based, on-chip fabrication of glass-based core-cladding waveguides. In S. M. Garcia-Blanco, & P. Cheben (Hrsg.), Integrated Optics: Devices, Materials, and Technologies XXVII Artikel 124240P (Proceedings of SPIE - The International Society for Optical Engineering; Band 12424). SPIE. https://doi.org/10.1117/12.2649880
Kranert F, Fawaz H, Hinkelmann M, Neumann J, Kracht D. Laser-based, on-chip fabrication of glass-based core-cladding waveguides. in Garcia-Blanco SM, Cheben P, Hrsg., Integrated Optics: Devices, Materials, and Technologies XXVII. SPIE. 2023. 124240P. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2649880
Kranert, Fabian ; Fawaz, Hussein ; Hinkelmann, Moritz et al. / Laser-based, on-chip fabrication of glass-based core-cladding waveguides. Integrated Optics: Devices, Materials, and Technologies XXVII. Hrsg. / Sonia M. Garcia-Blanco ; Pavel Cheben. SPIE, 2023. (Proceedings of SPIE - The International Society for Optical Engineering).
Download
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abstract = "Photonic integrated circuits (PIC) have been established for miniaturized, on-chip optical systems. Current approaches for producing PICs mostly rely on semiconductor processing technologies, which are complex and cost-intensive. A promising alternative with the potential to revolutionize PIC fabrication is additive manufacturing (AM), which offers the opportunity to develop tailored and customized waveguide designs for functionalities needed in fast-evolving modern applications like the Internet of Things. Here, an AM technology called laser glass deposition (LGD) is presented for the production of on-chip core-cladding waveguides based on fused silica. Commercially available glass fibers with a diameter of 125 µm are fused onto a quartz glass substrate using a CO2-laser in a 2.5D-printing process. Test series are performed to determine the process window to reach a stable connection between fiber and substrate while maintaining the fiber´s optical functionality. To enable efficient light coupling into the waveguide, the fiber end facets are laser cleaved after the deposition within the same process environment. Again, parameter studies are performed to reach a high surface quality. Both the waveguides and the cleaved surfaces are characterized using different imaging techniques. In addition, the optical properties of the generated waveguides are analyzed.",
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