A Novel Multiband Filter Design based on Ring Resonators and DSP Approach

M. R. Mokhtari, G. Rostami, M. Dolatyari, A. Rostami

Abstract

This paper proposes a novel ring resonator based optical filter that has an outstanding multi narrow band response due to adopting quasi structures such as Thue-Morse sequence as the radius-pattern. This capability introduces this design approach as an effective method for the design of filters for emerging dense wavelength division multiplexing networks. The design process incorporates analysing through the transfer matrix method and the powerful discrete-time signal processing techniques. Giving an adequate overview of analysing basic optical building blocks in the Z-domain, the procedure develops to analysing any optical structure imposed by mathematical sequences. The proposal is discussed employing pole-zero diagrams, discrete-time signal processing approach including apodization techniques. The point of the discrete-time signal processing approach is that the effect of dominant optical parameters over operation is clarified through the pole-zero position. Features like number of poles, bandwidth, and position of stop-bands can be controlled using ring diameter ratio. Finally, apodization of coupling coefficients attains a filter with an FWHM of 0.3 nm

References

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Paper Citation


in Harvard Style

R. Mokhtari M., Rostami G., Dolatyari M. and Rostami A. (2015). A Novel Multiband Filter Design based on Ring Resonators and DSP Approach . In Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 2: PHOTOPTICS, ISBN 978-989-758-093-2, pages 101-107. DOI: 10.5220/0005335401010107


in Bibtex Style

@conference{photoptics15,
author={M. R. Mokhtari and G. Rostami and M. Dolatyari and A. Rostami},
title={A Novel Multiband Filter Design based on Ring Resonators and DSP Approach},
booktitle={Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 2: PHOTOPTICS,},
year={2015},
pages={101-107},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005335401010107},
isbn={978-989-758-093-2},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 2: PHOTOPTICS,
TI - A Novel Multiband Filter Design based on Ring Resonators and DSP Approach
SN - 978-989-758-093-2
AU - R. Mokhtari M.
AU - Rostami G.
AU - Dolatyari M.
AU - Rostami A.
PY - 2015
SP - 101
EP - 107
DO - 10.5220/0005335401010107