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Reconfigurable optical add-drop multiplexer using microring resonators

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6 Author(s)
Klein, E.J. ; Integrated Opt. MicroSyst. Group, Univ. of Twente, Enschede, Netherlands ; Geuzebroek, D.H. ; Kelderman, H. ; Sengo, G.
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We report a reconfigurable four-channel optical add-drop multiplexer for use in access networks. The optical add-drop multiplexer (OADM) is based on vertically coupled thermally tunable Si3N4--SiO2 microring resonators (MRs) and has been realized on a footprint of 0.25 mm2. Individual MRs in the OADM can be tuned across the full free-spectral range of 4.18 nm and have a 3-dB bandwidth of 50 GHz.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 11 )