Self-Aligned Optofiber/Waveguide Connector with Integrated V-grooves and Diffractive Optical Elements

F. Nikolajeff*, O. Larsson, S. Hård, M. Kindlundh

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We demonstrate a novel type of self-aligned optofiber/waveguide connector with integrated V-grooves and diffractive optical elements. The self-alignment is achieved by connecting micro-structures which have originally been formed in silicon and later replicated in concave and convex forms. V-grooves hold the optical fibers and the light is coupled out through diffractive optical elements (DOEs). A manufacturing process has been developed which allows both deep micro-structures (V-grooves and alignment structures) and shallow surface reliefs (diffractive elements) to be realized on the same substrate. The self-alignment using microstructures allows a positioning accuracy of about ± 5μm. Two different fan-out DOEs have been optically characterized.

Original languageEnglish
Pages (from-to)16-19
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5177
DOIs
Publication statusPublished - 2003

Keywords

  • Alignment
  • Connector
  • Coupler
  • Diffractive optics
  • Optical fiber
  • Waveguide

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