Modal control in semiconductor optical waveguides with uniaxially patterned layers

Details Modal control in semiconductor optical waveguides with uniaxially patterned layers Modal control in semiconductor optical waveguides with uniaxially patterned layers

2005-05-26

arxiv.org/abs/cond-mat/0505649v1

Physics

Condensed Matter

Materials Science

9 pages 7 figures

Scientific paper

10.1109/JLT.2005.863280

Uniaxially patterned dielectric layers have an optical anisotropy that can be externally controlled. We study the effects of patterning the cladding or the core layer of a 3-layer optical waveguide on the polarization properties of propagating radiation. Particular attention is paid to the case when the core material is a semiconductor with optical gain. We discuss a number of devices based on incorporating an uniaxially patterned layer in the structure design, such as a polarization-insensitive amplifier, a polarizer, an optically-controlled polarization switch, and an optically controlled modal coupler.

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