Bidirectional 2.5-Gb/s WDM-PON Using FP-LDs Wavelength-Locked by a Multiple-Wavelength Seeding Source Based on a Mode-Locked Laser

Quoc Thai Nguyen (1) , Pascal Besnard (1) , Laurent Bramerie (1) , Alexandre Shen (2) , Christophe Kazmierski (2) , Philippe Chanclou (3) , Guang-Hua Duan (2) , Jean-Claude Simon (1)

1 FOTON - Fonctions Optiques pour les Technologies de l'informatiON
2 III-V Lab - Alcatel-Thalès III-V lab
3 Orange Labs [Lannion]

We experimentally investigate the operation of a cost-effective wavelength-division-multiplexed passive optical network (WDM-PON) based on wavelength-locked Fabry-Pérot laser diodes (FP-LDs). A single quantum-dash passively mode-locked laser (QD-MLL) is combined with an arrayed waveguide grating in WDM-PON architecture to provide a low-noise, coherent multiwavelength seeding source to injection-lock the FP-LDs for both downstream and upstream. The results show that the QD-MLL-injected FP-LD has the same performance when compared to the case of injection-locking by a low-noise external cavity laser. Error-free bidirectional transmission over 25 km for 16 channels with 42.7-GHz channel spacing is demonstrated at 2.5 Gb/s in the C-band and an optical budget higher than 30 dB is reached.

Mots clés: colorless operation; injection-locked Fabry-Pérot laser (IL-FP); wavelength-division-multiplexed passive optical network (WDM-PON); wavelength-locking

Domaines: Optique / photonique

Quoc Thai Nguyen, Pascal Besnard, Laurent Bramerie, Alexandre Shen, Christophe Kazmierski, et al.. Bidirectional 2.5-Gb/s WDM-PON Using FP-LDs Wavelength-Locked by a Multiple-Wavelength Seeding Source Based on a Mode-Locked Laser. IEEE Photonics Technology Letters, 2010, 22 (11), pp.733-735. ⟨10.1109/LPT.2010.2044569⟩. ⟨hal-00497264⟩