Abstract
In this paper, we propose a novel 10 Gb/s-based passive optical network
(PON) over optical code division multiple access (OCDMA) system to realize
the new generation full capacity optical access network which is easily
upgraded from existing time division multiplexing PON (TDM-PON) without
sacrificing the currently uplink bandwidth assigned to the individual user.
16-ONU (4-OCDMA x 4-packet) uplink burst transmission, an upgrade scenario
by a factor of four of conventional 10 Gb/s-based PON, is experimentally
demonstrated by using multi-level phase-shift-keying (PSK) super-structured
fiber Bragg grating (SSFBG) encoder/multi-port decoder and burst-mode
receiver. In the discussions, it will be shown that 32 users can be
accommodated in 10 Gb/s-based PON over OCDMA system, and a key is newly
introduced multi-level phase-shifted en/decoding, of which auto-correlation
waveform can be preferably adopted in the burst-mode reception at 10
Gb/s.
© 2010 IEEE
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