Ring-resonator-based sparse reconfigurable optical add-drop multiplexer: II. Node level analysis

Viorel Craciun; Oliver W. W. Yang

doi:10.1117/12.511403

19 August 2003 Ring-resonator-based sparse reconfigurable optical add-drop multiplexer: II. Node level analysis

Viorel Craciun, Oliver W. W. Yang

Proceedings Volume 5247, Optical Transmission Systems and Equipment for WDM Networking II; (2003) https://doi.org/10.1117/12.511403
Event: ITCom 2003, 2003, Orlando, Florida, United States

Abstract

This work proposes and analyses a sparse reconfigurable optical add/drop multiplexer consisting of eight tuneable ring resonator-based optical filters, and two eight channel arrayed waveguide routers. The design features a 0.25 add-drop factor, 32 channels in a four-skip-one architecture at 0.8 nm channel spacing, covers the conventional band, and takes advantage of the main limitation of single ring resonator-based optical filters, namely the rather limited free spectral range. Coupled mode theory and its transfer matrix formalism have been used to design the tuneable add-drop filters, while classical theory of signal spectral analysis have been used for determining its performance characteristics. The computed results for a sparse tuneable optical add-drop multiplexer equipped with single-ring add-drop filters were add/drop insertion loss 0.77 dB, through adjacent insertion loss 2.7dB, worst add/drop adjacent cross talk -43dB, add/drop bandwidth at full width half maximum 0.221 nm, and group delays between 0.05 ps and 2 ps for add/drop and through optical channels. The proposed tuneable OADM exhibits a very good magnitude response and properly adds, drops, removes and/or lets through the selected channel without disturbing the other channels.

Citation Download Citation

Viorel Craciun and Oliver W. W. Yang "Ring-resonator-based sparse reconfigurable optical add-drop multiplexer: II. Node level analysis", Proc. SPIE 5247, Optical Transmission Systems and Equipment for WDM Networking II, (19 August 2003); https://doi.org/10.1117/12.511403

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