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Aperiodic lattices for photonic bandgap engineering

Published online by Cambridge University Press:  01 February 2011

Subhasish Chakraborty ,
David G. Hasko  and
Robert. J. Mears
Subhasish Chakraborty
Affiliation:
Microelectronics Research Centre, Cavendish Laboratory, Department of Physics, University of Cambridge, Madingley Road, Cambridge CB3 0HE.
David G. Hasko
Affiliation:
Microelectronics Research Centre, Cavendish Laboratory, Department of Physics, University of Cambridge, Madingley Road, Cambridge CB3 0HE.
Robert. J. Mears
Affiliation:
Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1 PZ
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Abstract

A new method is presented, based on the discrete Fourier Transform, for the design of aperiodic lattices to be used in photonic bandgap engineering. Designing an aperiodic lattice by randomly choosing defects is unlikely to result in useful optical transmission characteristics. By contrast, this new method allows an aperiodic lattice to be designed directly from the desired optical characteristic. The use of this method is illustrated with a design for a structure to realise two transmission wavelengths in the stopband of a one-dimensional photonic lattice. This design has been fabricated in silicon-on-insulator and some optical characteristics are given.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 797: Symposium W – Engineered Porosity for Microphotonics and Plasmonics , 2003 , W7.8
Copyright
Copyright © Materials Research Society 2004

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References

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