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Applied Optics

Applied Optics


  • Vol. 22, Iss. 24 — Dec. 15, 1983
  • pp: 4088–4092

Photoinduced grating filters in GeO2 thin-film waveguides

Zhong-Yi Yin, Paul E. Jessop, and Brian K. Garside  »View Author Affiliations

Applied Optics, Vol. 22, Issue 24, pp. 4088-4092 (1983)

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Narrowband grating filters were fabricated in GeO2 thin-film optical waveguides by optically induced changes in the refractive index. Intense counterpropagating laser beams inside the waveguide resulted in distributed feedback reflectors having a peak efficiency of 40%. The spectral response of the filters was measured by thermal tuning of the center frequency and agreed with the results of a coupled-mode analysis. The filter bandwidths were <0.01 nm.

© 1983 Optical Society of America

Original Manuscript: July 16, 1983
Published: December 15, 1983

Zhong-Yi Yin, Paul E. Jessop, and Brian K. Garside, "Photoinduced grating filters in GeO2 thin-film waveguides," Appl. Opt. 22, 4088-4092 (1983)

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