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.