DBR-based tunable optical filter |
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| Authors: | Habbab I.M.I. Woodward S.L. Cimini L.J. Jr. |
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| Affiliation: | AT&T Bell Lab., Holmdel, NJ; |
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| Abstract: | A device structure for implementing a continuously tunable optical filter is described. The proposed filter relies on the creation of a resonant optical cavity between a high-reflectivity mirror and a periodic grating, with a phase control section in between. The filter has only one transmission peak over the entire frequency range, can be tuned in a few nanoseconds, and is suitable for integration with the receiver in a photonic circuit |
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