In this work we present a modified Vernier scheme which allows the realization of FSR free filters based on coupled micro ring resonators overcoming the limits induced by the constraints on the physical dimensions of the cavities. We present a two stage optimization procedure to design a tunable filter with no FSR. Through experimental trials we demonstrate the design procedure on a 4 ring filter operating FSR-free over 60 nm.
FSR free coupled microring resonator filter on extended C-band in silicon photonics
M. Milanizadeh;M. Petrini;F. Morichetti;A. Melloni
2020-01-01
Abstract
In this work we present a modified Vernier scheme which allows the realization of FSR free filters based on coupled micro ring resonators overcoming the limits induced by the constraints on the physical dimensions of the cavities. We present a two stage optimization procedure to design a tunable filter with no FSR. Through experimental trials we demonstrate the design procedure on a 4 ring filter operating FSR-free over 60 nm.File in questo prodotto:
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2020 03 - ECIO_design_tuning.pdf
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