Two-step manufacturing of hundreds of meter-long silicon micrometer-size core optical fibers with less than 0.2 dB/cm background losses - Archive ouverte HAL Access content directly
Journal Articles APL Photonics Year : 2021

Two-step manufacturing of hundreds of meter-long silicon micrometer-size core optical fibers with less than 0.2 dB/cm background losses

M. Kudinova
  • Function : Author
G. Bouwmans
  • Function : Author
O. Vanvincq
  • Function : Author
R. Habert
  • Function : Author
S. Plus
R. Bernard
  • Function : Author
K. Baudelle
  • Function : Author
A. Cassez
  • Function : Author
B. Chazallon
  • Function : Author
M. Marinova
  • Function : Author
N. Nuns
  • Function : Author
Laurent Bigot

Abstract

This work reports on the fabrication and the characterization of hybrid optical fibers with silicon core and silica cladding. Adopting a two-step manufacturing technique derived from the stack-and-draw method, silicon-core fibers with core dimensions ranging from about 0.8 mu m to 3.5 mu m have been successively drawn into hundreds of meter-long fibers. A 3.3 mu m diameter core fiber has been more extensively characterized and background losses for this as-drawn fiber are less than 0.2 dB/cm between 1250 nm and 1650 nm, with a minimum of 0.12 dB/cm around 1600 nm. The crystalline state of the core and the limited impact of oxygen contamination were confirmed by Raman scattering, x-ray diffraction, HR-STEM, and ToF-SIMS analysis. Transmission peaks associated with specific modal distributions are evidenced under certain injection conditions and their positions are shown to be in good accordance with mode cut-off wavelengths of a step-index silicon-core fiber.
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Dates and versions

hal-03416415 , version 1 (05-11-2021)

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M. Kudinova, G. Bouwmans, O. Vanvincq, R. Habert, S. Plus, et al.. Two-step manufacturing of hundreds of meter-long silicon micrometer-size core optical fibers with less than 0.2 dB/cm background losses. APL Photonics, 2021, 6 (2), pp.026101. ⟨10.1063/5.0028195⟩. ⟨hal-03416415⟩
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