Optical Filter Cascading Effects in a Phase Modulated Coherent Optical OFDM Transmission System Based on Hartley Transform

Effects when cascading optical filters are investigated for a phase modulated coherent optical OFDM system based on Hartley transform. The evaluation is performed by means of numeric simulations in a 10 Gb/s system with a total bandwidth of 10 GHz. First a back-to-back (no fiber) case is assessed. Results show a 3 dB power penalty after a single filter of only 68% of the signal bandwidth. The same penalty is achieved when cascading 10 filters of 21.6 GHz bandwidth. Additionally, the penalties associated to the introduction of fiber spans between filters are investigated.

Provided by: Centre Tecnològic de Telecomunicacions de Catalunya (CTTC) Topic: Mobility Date Added: Apr 2012 Format: PDF

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