Nonlinear and bistable optical waveguide devices

Details Nonlinear and bistable optical waveguide devices Nonlinear and bistable optical waveguide devices

1980-05-27

1985-05-07

Sikes, William L.

350 9634, 350354, G02B 5174

Patent

active

045154295

ABSTRACT:
Several types of nonlinear characteristics are provided in an optical device wherein at least two optical materials are constructed to provide a waveguide structure. At least one of the materials has a dominant nonlinear characteristic over the length of the waveguide that is commonly referred to as the Kerr effect. The index of refraction in this material is a function of the light intensity in the waveguide. By selecting materials that provide either positive or negative Kerr coefficients, and by constructing the device with the nonlinear material either as the core or as the cladding layer, power output versus input characteristics that exhibit both limiting and amplification can be provided. A bistable characteristic is provided in one of the embodiments by terminating the waveguide structure with a mirror. Specific embodiments using carbon disulfide and polydiacetylene as the nonlinear materials are disclosed.

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