Reconfigurable silicon filter with continuous bandwidth tunability

Piero Orlandi; Carlo Ferrari; Michael Strain; Antonio Canciamilla; Francesco Morichetti; Marc Sorel; Paolo Bassi; Andrea Melloni

doi:10.1364/OL.37.003669

Reconfigurable silicon filter with continuous bandwidth tunability

Piero Orlandi, Carlo Ferrari, Michael Strain, Antonio Canciamilla, Francesco Morichetti, Marc Sorel, Paolo Bassi, Andrea Melloni

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Abstract

We present the design and the fabrication of compact tunable silicon-on-insulator bandpass filters based on the integration of a Mach–Zehnder interferometer with ring resonators and activated via thermo-optic phase shifters. The proposed architecture provides wide filter bandwidth tunability from 10% to 90% of the free spectral range preserving the filter off-band rejection. Possible applications are channel subset selection in wavelength division multiplexing optical systems, adaptive filtering to signal bandwidth, and reconfigurable filters for gridless networking.

Original language	English
Pages (from-to)	3669-3671
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	17
DOIs	https://doi.org/10.1364/OL.37.003669
Publication status	Published - 1 Sept 2012

Keywords

gridless networking
reconfigurable silicon filter
bandwidth tunability

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10.1364/OL.37.003669

Orlandi-etal-OL-2012-Continuously-tunable-bandwidth-and-central-wavelengthAccepted author manuscript, 323 KB

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AU - Orlandi, Piero

AU - Ferrari, Carlo

AU - Strain, Michael

AU - Canciamilla, Antonio

AU - Morichetti, Francesco

AU - Sorel, Marc

AU - Bassi, Paolo

AU - Melloni, Andrea

PY - 2012/9/1

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AB - We present the design and the fabrication of compact tunable silicon-on-insulator bandpass filters based on the integration of a Mach–Zehnder interferometer with ring resonators and activated via thermo-optic phase shifters. The proposed architecture provides wide filter bandwidth tunability from 10% to 90% of the free spectral range preserving the filter off-band rejection. Possible applications are channel subset selection in wavelength division multiplexing optical systems, adaptive filtering to signal bandwidth, and reconfigurable filters for gridless networking.

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KW - bandwidth tunability

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Reconfigurable silicon filter with continuous bandwidth tunability

Abstract

Keywords

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