KEYWORDS: Receivers, Optical amplifiers, Distortion, Capacitance, Eye, Linear filtering, Amplifiers, Feedback loops, Device simulation, Signal to noise ratio
Due to the Multipoint-to-Point nature of the uplink, the upstream data transmission in a GPON system is burst-mode,
and both the guard time and preamble time are much shorter(32 bits and 44 bits respectively).This burst-mode nature of
the GPON uplink brings many challenges for the design of the burst-mode receiver. This paper presents an improved
design of the main amplifier which is fit for the AC-coupled burst-mode optical receiver with short time constant.
Simulation analysis of this scheme at the aspect of the pattern dependent jitter and the data pattern jitter is also presented.
Finally, simulation results are provided to show the feasibility of the scheme.
Due to the Multipoint-to-Point nature of the uplink, the upstream data transmission in a GPON system is burst-mode,
and both the guard time and preamble time are short. This burst-mode nature of the GPON uplink brings many
challenges for the design of the burst-mode receiver. This paper presents a newly designed AC-coupled burst-mode
optical receiver. The AC-coupled receiver uses a large time constant and a high-speed reset switch. The concept of
cumulative bit difference of pattern-dependent jitter is also put forwarded in this paper. Finally, simulation results are
provided to show the feasibility of the scheme.
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