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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN 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)
http://dx.doi.org/10.1364/AO.22.003128


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Abstract

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

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

Citation
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)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-19-3128


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References

  1. J.-M. Delavaux, S. Forouhar, W. S. C. Chang, R.-X. Lu, in Technical Digest, Conference on Lasers and Electrooptics (Optical Society of America, Washington, D.C., 1982), paper TH06.
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  14. S. Forouhar, C. Warren, R.-X. Lu, W. S. C. Chang, “Techniques for the Fabrication of High-Index Overlay Films on LiNbO3,” at SPIE Technical Symposium, Arlington, Va. (Apr. 1983).

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