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Appl. Phys. Lett. 57, 1852 (1990); doi:10.1063/1.104037 (3 pages)

Surface‐stabilized ferroelectric liquid‐crystal electro‐optic waveguide switch

Noel A. Clark and Mark A. Handschy

Displaytech Incorporated, 2200 Central Avenue, Boulder, Colorado 80301 Map This map

(Received 25 June 1990; accepted 31 August 1990)

We demonstrate control of the optical coupling between a pair of planar waveguides by application of voltage to surface‐stabilized ferroelectric liquid‐crystal films between them. A prototype switch exhibited a response time of 200 μs and a 40:1 switching ratio.

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KEYWORDS and PACS

PACS

  • 42.79.Gn

    Optical waveguides and couplers

  • 78.20.Jq

    Electro-optical effects

  • 42.79.Ta

    Optical computers, logic elements, interconnects, switches; neural networks

  • 61.30.-v

    Liquid crystals

PUBLICATION DATA

ISSN:

0003-6951 (print)  
1077-3118 (online)

For access to fully linked references, you need to log in.
  1. N. A. Clark and S. T. Lagerwall, Appl. Phys. Lett. 36, 899 (1980APPLAB000036000011000899000001)
    K. Skarp and M. A. Handschy, Mol. Cryst. Liq. Cryst. 165, 439 (1988).
  2. M. A. Handschy and N. A. Clark, U. S. Patent No. 4 813 771 (1989).
  3. M. R. Meadows, N. A. Clark, and M. A. Handschy, Appl. Phys. Lett. 54, 1394 (1988APPLAB000054000015001394000001).
  4. Chisso Corp. 7-3 Marunouchi 2-Cliome, Chiyoda-ku, Tokyo 100, Japan.
  5. J. H. Jackel, Appl. Opt. 27, 472 (1988).
  6. Pochi Yeh, Optical Waves in Layered Media (Wiley, New York, 1988), p. 361.
  7. Miles V. Klein and Thomas E. Furtak, Optics, 2nd ed. (Wiley, New York, 1986), p. 636.

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