Optical waveguide and optical waveguide device

Details Optical waveguide and optical waveguide device Optical waveguide and optical waveguide device

1993-05-28

1994-09-13

Bovernick, Rodney B.

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

385122, 385 2, 385 4, 385 8, G02B 610

Patent

active

053476085

ABSTRACT:
Optical device including an optical waveguide composed of a LiTaO.sub.3 monocrystalline substrate and a LiNbO.sub.3 monocrystalline thin film waveguide formed on the surface of the substrate, with the lattice length of the LiNbO.sub.3 monocrystalline thin film waveguide and the LiTaO.sub.3 monocrystalline substrate being matched with each other, and an electrode provided on at least one of the branched sections of the waveguide extending along the optical axis thereof for changing a refractive index of the waveguide. The optical device having the optical waveguide has excellent electro-optic effects and a resistance to optical damage as well as an advanced modulation efficiency and a stable amplitude modulation.

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Rottschalk, M.; Rasch, A. and Karthe, W., "Electrooptic Behaviour of Proton Exchanged LinbO.sub.3 Optical Waveguides", Journal of Optical Communications, 9 (1988), pp. 19-23.
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