Utilization of self-injection Fabry-Perot laser diode for long-reach WDM-PON

Fu Yuan Shih, Chien Hung Yeh*, Chi Wai Chow, Chia Hsuan Wang, Sien Chi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


In this investigation we propose and demonstrate a wavelength widely tunable laser source employing a self-injected Fabry-Perot laser diode (FP-LD) for long-reach wavelength-division-multiplexed passive optical network (WDM-PON). By using a tunable bandpass filter and an optical circulator inside the gain cavity, a stable and single-longitudinal-mode (SLM) laser output is achieved. Besides, the proposed laser sources are directly modulated at 2.5 Gb/s for both downlink and uplink transmissions of 85 km single mode fiber (SMF) in PON without dispersion compensation.

Original languageEnglish
Pages (from-to)46-49
Number of pages4
JournalOptical Fiber Technology
Issue number1
StatePublished - 1 Jan 2010


  • Fabry-Perot laser diode
  • Self-injection

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