The upstream of an OFDM-PON with direct modulated lasers tuned in temperature was experimentally tested. Results demonstrate flexible bandwidth allocation, and show it constitutes an efficient strategy to cope with the differential link-loss among the users in the PON.
Cano, I., Escayola, F., Peralta, A., Polo, V., Santos, M., Prat, J. A study of flexible bandwidth allocation in statistical OFDM-based PON. A: International Conference on Transparent Optical Networks. "2013 15th International Conference on Transparent Optical Networks (ICTON 2013): Cartagena, Spain, June 23-27, 2013". Cartagena: Institute of Electrical and Electronics Engineers (IEEE), 2013, p. Tu.D3.1-1-Tu.D3.1-4.