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Simple adaptively modulated optical OFDM modems using subcarrier modulation with input/output reconfigurability

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4 Author(s)
Zheng, X. ; Sch. of Electron. Eng., Bangor Univ., Bangor, UK ; Wei, J.L. ; Giddings, R.P. ; Tang, J.M.

Three novel designs of adaptively modulated optical orthogonal frequency division multiplexing modems using subcarrier modulation (AMOOFDM-SCM) are proposed, for the first time, each of which requires a single IFFT/FFT operation. These designs has a number of salient advantages including a significantly simplified modem configuration due to the involvement of a single IFFT/FFT operation, input/output reconfigurability, dynamic bandwidth allocation capability, cost reduction and system flexibility and performance robustness to variations in transmission link conditions. Investigations show that these three modems are capable of supporting >;60Gb/s AMOOFDM-SCM signal transmission over 20km, 40km and 60km single-mode fibre-based intensity modulation and direct detection transmission links without optical amplification and chromatic dispersion compensation.

Published in:

Future Network and Mobile Summit, 2010

Date of Conference:

16-18 June 2010