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Si3N4 ring resonator-based microwave photonic notch filter with an ultrahigh peak rejection

Authors :
Marpaung, David
Morrison, Blair
Pant, Ravi
Roeloffzen, Chris
Leinse, Arne
Hoekman, Marcel
Heideman, Rene
Eggleton, Benjamin J.
Publication Year :
2013

Abstract

We report a simple technique in microwave photonic (MWP) signal processing that allows the use of an optical filter with a shallow notch to exhibit a microwave notch filter with anomalously high rejection level. We implement this technique using a low-loss, tunable Si3N4 optical ring resonator as the optical filter, and achieved an MWP notch filter with an ultra-high peak rejection > 60 dB, a tunable high resolution bandwidth of 247-840 MHz, and notch frequency tuning of 2-8 GHz. To our knowledge, this is a record combined peak rejection and resolution for an integrated MWP filter.<br />Comment: 8 pages, 5 figures

Subjects

Subjects :
Physics - Optics

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1308.2846
Document Type :
Working Paper
Full Text :
https://doi.org/10.1364/OE.21.023286