Abstract
We propose and demonstrate an ac-coupled burst-mode transmitter with
a differential interface for 10-Gbit/s-class passive optical network (PON)
systems by using a novel baseline-wander common-mode-rejection (BLW-CMR) technique.
This technique can cancel the transient responses of capacitors at the ac-coupled
differential interface, and produce an optical burst-mode signal with a fast
response. We confirmed the feasibility of this technique experimentally with
the prototype we developed. The response time of the optical burst-mode signal
was 500 ps, which is the fastest response time reported for a burst-mode transmitter.
Good temperature dependences were also observed. Moreover, we conducted a
burst-mode upstream experiment using a burst-mode avalanche photodiode (APD)
receiver that we developed for 10 G-EPON systems. We obtained a large loss
budget of 33 dB and a wide dynamic range of 25.5 dB at a bit error rate (BER)
of 10$^{-3}$.
© 2009 IEEE
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