Bandwidth-tunable optical filters in silicon photonics

Orlandi, P. and Strain, M.J. and Ferrari, C. and Canciamilla, A. and Morichetti, F. and Bassi, P. and Melloni, A. and Sorel, M.; (2012) Bandwidth-tunable optical filters in silicon photonics. In: Proceedings of the 2012 Conference on Lasers and Electro-Optics. IEEE, CTu2A.5. ISBN 9781467318396

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A silicon-on-insulator bandpass filter based on the integration of a Mach-Zehnder interferometer with ring resonators and phase shifters is fabricated. The device exhibits wide tunability over both the central wavelength and bandwidth of the filter.