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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper TUJ17

Laser trimming adjustment of waveguide birefringence in silica integrated-optic ring resonators

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Abstract

Precise control of waveguide birefringence between TM and TE modes is required for various integrated-optic devices with a desired polarization dependence or independence.1 This paper describes laser trimming of amorphous silicon stress-applying films on silica waveguides for adjusting waveguide birefringence. A practical application to polarization-insensitive optical ring resonators is also presented.

© 1989 Optical Society of America

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