All-optical clock recovery for 100 Gb/s RZ-OOK signal after 25km transmission using a dual-mode beating DBR laser

Liqiang Yu; Biwei Pan; Dan Lu; Lingjuan Zhao

doi:10.1117/12.2071491

3 December 2014 All-optical clock recovery for 100 Gb/s RZ-OOK signal after 25km transmission using a dual-mode beating DBR laser

Liqiang Yu, Biwei Pan, Dan Lu, Lingjuan Zhao

Author Affiliations +

Proceedings Volume 9267, Semiconductor Lasers and Applications VI; 92670T (2014) https://doi.org/10.1117/12.2071491
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

All-optical clock recovery (AOCR) for 100 Gb/s RZ-OOK signal is demonstrated by using a dualmode beating DBR laser. Based on the injection-locking of the DBR (distributed Bragg reflector) laser, a 100-GHz optical clock is recovered. Timing jitter (<1 ps) derived from both phase noise and power fluctuation is measured by an optical sampling oscilloscope (OSO). Furthermore, clock recovery is also realized for the 100 Gb/s signal after 25 km transmission. After the 25-km SMF (5- dB loss) transmission, the signal-to-noise ratio (SNR) of the signal drops from 18 dB to 5.2 dB. The dependence of the timing jitter on the input power is investigated. The lowest timing jitter of 665 fs is realized when the input power is 3 dBm.

Citation Download Citation

Liqiang Yu, Biwei Pan, Dan Lu, and Lingjuan Zhao "All-optical clock recovery for 100 Gb/s RZ-OOK signal after 25km transmission using a dual-mode beating DBR laser", Proc. SPIE 9267, Semiconductor Lasers and Applications VI, 92670T (3 December 2014); https://doi.org/10.1117/12.2071491

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