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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 34 — Dec. 1, 1990
  • pp: 5090–5095

MgO/Ti bilaterally diffused LiNbO3 optical switch

Nobuyuki Tanaka, Tatsuya Banno, Koichi Takahashi, Takao Shiota, and Koichi Inada  »View Author Affiliations


Applied Optics, Vol. 29, Issue 34, pp. 5090-5095 (1990)
http://dx.doi.org/10.1364/AO.29.005090


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Abstract

A MgO/Ti bilaterally diffused optical waveguide is proposed. It features controlling the waveguide spot size and strengthening the optical confinement. It is experimentally shown that the coupling loss with single-mode fiber is reduced to 0.6 dB/facet. The bending loss is also suppressed from 2.2 dB of the Ti diffused waveguide to 0.2 dB at a 30-mm bending radius. The performance of the switch using this method is demonstrated. Total insertion loss is 2.6 dB. Driving voltage is 5.6 V with no degradation of the EO effect.

© 1990 Optical Society of America

History
Original Manuscript: November 13, 1989
Published: December 1, 1990

Citation
Nobuyuki Tanaka, Tatsuya Banno, Koichi Takahashi, Takao Shiota, and Koichi Inada, "MgO/Ti bilaterally diffused LiNbO3 optical switch," Appl. Opt. 29, 5090-5095 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-34-5090

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