26-Gb/s DMT Transmission Using Full C-Band Tunable VCSEL for Converged PONs

Christoph Wagner, Annika Dochhan, Michael H. Eiselt, Klaus Grobe, Markus Ortsiefer, Christoph Greus, Christian Neumeyr, Sujoy Paul, Julijan Cesar, Franko Küppers, Juan José Vegas Olmos, Idelfonso Tafur Monroy

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Wavelength division multiplex (WDM) passive optical network (PON) is considered for converged fixed mobile broadband access networking. We propose to utilize low-cost tunable lasers at the remote sites, together with a centralized wavelength locker. Practical implementations require a transparently added downstream signaling channel and upstream per-channel pilot tones for channel tagging and remote wavelength control. We demonstrate, for the first time, 26-Gbps discrete multitone transmission modulated on a low-cost wide tunable vertical surface emitting laser over up to 40 km of standard single-mode fiber. The results confirm that converged fixed mobile WDM-PON systems based on low-cost lasers carrying discrete multitone modulation are a technically viable approach.
Original languageEnglish
JournalI E E E Photonics Technology Letters
Issue number17
Pages (from-to)1475-1478
Publication statusPublished - 2017


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