Polymer interposer for efficient light coupling into 3 μm silicon-on-insulator waveguides

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Abstract

The polymer waveguide taper structures are designed for interfacing 3 μm silicon-on-insulator (SOI) devices to standard single mode SM fiber. The structure consists of polymer waveguide with its optical facets compatible with the modes of single-mode (SM) fiber and silicon waveguide. Simulations suggest that the coupling efficiency of -0.63 dB from the SM fiber to 3 μm strip waveguide can be achieved. We show experimentally the transmission loss of 0.6 dB/cm in polymer waveguide and coupling loss of 0.7 dB from the SM fiber to 2.1 μm polymer waveguide.

Original languageEnglish
Title of host publicationOptical Interconnects XX
EditorsHenning Schröder, Ray T. Chen
PublisherInternational Society for Optics and Photonics SPIE
ISBN (Print)978-1-5106-3335-3
DOIs
Publication statusPublished - 1 Jan 2020
MoE publication typeA4 Article in a conference publication
EventOptical Interconnects XX 2020 - San Francisco, United States
Duration: 4 Feb 20206 Feb 2020

Publication series

SeriesProceedings of SPIE
Volume11286
ISSN0277-786X

Conference

ConferenceOptical Interconnects XX 2020
Abbreviated titleSPIE OPTO
CountryUnited States
CitySan Francisco
Period4/02/206/02/20

Keywords

  • Fiber-to-chip coupling
  • Optical interconnects
  • Polymer waveguide
  • Silicon photonics

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    Hiltunen, M., Harjanne, M. T., Vehmas, T., Wälchli, B., Heimala, P., & Aalto, T. (2020). Polymer interposer for efficient light coupling into 3 μm silicon-on-insulator waveguides. In H. Schröder, & R. T. Chen (Eds.), Optical Interconnects XX [112860I] International Society for Optics and Photonics SPIE. Proceedings of SPIE, Vol.. 11286 https://doi.org/10.1117/12.2541521