Paper
1 February 1992 Nonlinear coupling in twin-stripe waveguide couplers with distributed gain
Richard F. Ormondroyd, R. Hassan
Author Affiliations +
Abstract
A self-consistent computer analysis of beam propagation in a twin-ridge waveguide coupler with distributed gain is presented. The structure is assumed to be fabricated in double heterostructure material which is electrically pumped to provide the gain. Non-linear coupling between the ridge-guides occurs because of the effects of lateral carrier diffusion and stimulated recombination on the lateral complex refractive index profile of the structure. The paper uses the beam propagation method to examine the longitudinal development of the optical field distribution in the coupler for a range of injection current densities.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard F. Ormondroyd and R. Hassan "Nonlinear coupling in twin-stripe waveguide couplers with distributed gain", Proc. SPIE 1580, Fiber Optic Components and Reliability, (1 February 1992); https://doi.org/10.1117/12.135379
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KEYWORDS
Waveguides

Photons

Refractive index

Active optics

Beam propagation method

Diffusion

Dielectrics

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