Mode-locked fiber laser technology for ultrahigh-speed TDM optical transmission

Research output: Contribution to journalArticlepeer-review


For future ultrahigh-speed optical communications, an ultrashort optical pulse train at a high repetition-rate will be indispensable. Among many pulse generation techniques, mode-locked fiber lasers can generate high-quality short pulses at such a repetition rate. In this paper we describe a harmonically and regeneratively mode-locked fiber laser that can emit a 1-3ps transform-limited optical pulse. By using this pulse source and an adiabatic soliton compression technique, a 170-fs pulse train at 10 GHz is generated. The laser is locked to an external signal by using a phase-locked loop technique. Finally, we show that this laser has ultralow jitter characteristics.

Original languageEnglish
Pages (from-to)59-66
Number of pages8
JournalNTT R and D
Issue number1
Publication statusPublished - 1999


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