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Applied Optics

Applied Optics


  • Vol. 22, Iss. 19 — Oct. 1, 1983
  • pp: 3128–3132

Chirped grating lenses on Nb2O5 transition waveguides

Siamak Forouhar, Ron-Xin Lu, William S. C. Chang, Richard L. Davis, and Shih-Kay Yao  »View Author Affiliations

Applied Optics, Vol. 22, Issue 19, pp. 3128-3132 (1983)

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Efficient tapered Nb2O5 transition waveguide obtained by reactive sputtering has been demonstrated experimentally. It provides effective interconnection between two sections of Ti-indiffused waveguide with 0.8-dB total insertion loss. Chirped grating lenses have also been fabricated on Nb2O5 waveguides that have yielded 85% throughput efficiency. For signal processing applications in Ti-indiffused waveguides, the combination of grating lenses and the Nb2O5 transition waveguide will allow us to obtain lens functions that have both high efficiency and large angular field of view (∼4°).

© 1983 Optical Society of America

Original Manuscript: May 13, 1983
Published: October 1, 1983

Siamak Forouhar, Ron-Xin Lu, William S. C. Chang, Richard L. Davis, and Shih-Kay Yao, "Chirped grating lenses on Nb2O5 transition waveguides," Appl. Opt. 22, 3128-3132 (1983)

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