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IEEE Photonics Technology Letters / IEEE Transactions Photonics Technol Lett 22, 11 (2010) 733-735
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
(03/2010)

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.
1 :  Fonctions Optiques pour les Technologies de l'informatiON (FOTON)
CNRS : UMR6082 – Université de Rennes 1 – Institut National des Sciences Appliquées (INSA) - Rennes – Ecole Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT) – Institut Mines-Télécom – Télécom Bretagne – PRES Université Européenne de Bretagne [UEB]
2 :  Alcatel-Thalès III-V lab (II-V Lab)
ALCATEL – THALES
3 :  Orange Labs - Lannion
France Télécom
Sciences de l'ingénieur/Optique / photonique
colorless operation – injection-locked Fabry-Pérot laser (IL-FP) – wavelength-division-multiplexed passive optical network (WDM-PON) – wavelength-locking
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