Active control of lateral leakage in thin-ridge SOI waveguide structures

Naser Dalvand; Thach G. Nguyen; Ravi S. Tummidi; Thomas L. Koch; Arnan Mitchell

doi:10.1117/12.904901

23 December 2011 Active control of lateral leakage in thin-ridge SOI waveguide structures

Naser Dalvand, Thach G. Nguyen, Ravi S. Tummidi, Thomas L. Koch, Arnan Mitchell

Proceedings Volume 8204, Smart Nano-Micro Materials and Devices; 82042D (2011) https://doi.org/10.1117/12.904901
Event: SPIE Smart Nano + Micro Materials and Devices, 2011, Melbourne, Australia

Abstract

We report on the design and simulation of a novel Silicon-On-Insulator waveguide structures which when excited with TM guided light, emit TE polarized radiation with controlled radiation characteristics[1]. The structures utilize parallel leaky waveguides of specific separations. The structures are simulated using a full-vector mode-matching approach which allows visualisation of the evolution of the propagating and radiating fields over the length of the waveguide structure. It is shown that radiation can be resonantly enhanced or suppressed in different directions depending on the choice of the phase of the excitation of the waveguide components. Steps toward practical demonstration are identified.

Citation Download Citation

Naser Dalvand, Thach G. Nguyen, Ravi S. Tummidi, Thomas L. Koch, and Arnan Mitchell "Active control of lateral leakage in thin-ridge SOI waveguide structures", Proc. SPIE 8204, Smart Nano-Micro Materials and Devices, 82042D (23 December 2011); https://doi.org/10.1117/12.904901

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KEYWORDS

Waveguides

Wave propagation

Superposition

Waveguide modes

Silicon

Light wave propagation

Computer simulations

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