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Theoretical and experimental study on lOGb/s all-optical packet clock recovery

机译：LOGB / S全光包恢复的理论与实验研究

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A novel lOGbit/s all-optical packet clock extractor, which comprises a Fabry-Perot (F-P) filter and a semiconductor optical amplifier (SOA), is proposed in this paper. Low Finesse Fabry-Perot (F-P) filter was used to directly extract the packet clock from the data packet stream, which ensures that the clock locks fast and vanishes quickly. The clock, amplitude modulated as a result of low-Q filter, then goes into SOA to reduce the low-frequency amplitude noise The impact of F-P filter and SOA on the locking and unlocking time of the packet clock is theoretically analyzed. The result shows that the locking time is reduced while the unlocking time is increased, due to the self-gain modulation (SGM) effect. We demonstrate instantaneous 10.075GHz clock extraction experimentally with the establishing time of about 8 code-periods and vanishing time of about 22 code-periods.
机译：本文提出了一种新的Logbit / S全光分组时钟提取器，包括法布里 - 珀罗（F-P）滤波器和半导体光放大器（SOA）。低精简法布里 - 珀罗（F-P）滤波器用于直接从数据包流中提取数据包时钟，这确保了时钟锁定快速且快速消失。作为低Q滤波器的结果，调制幅度，然后进入SOA以降低低频幅度噪声F-P滤波器的影响和SOA在理论上分析了分组时钟的锁定和解锁时间。结果表明，由于自增强调制（SGM）效应，锁定时间增加了解锁时间。我们在实验上展示了瞬间10.075GHz时钟提取，建立时间约为8个代码周期和减少时间约22个码码的时间。

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