Use of RSOA-transmitter for OFDM colorless WDM-PON communication

C. H. Yeh*, Chi Wai Chow, J. Y. Sung, Y. F. Wu

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

In this investigation, we propose and demonstrate a wavelength-tunable self-seeding 1.2 GHz reflective semiconductor optical amplifier (RSOA)-based transmitter in each optical network unit for colorless wavelength-division-multiplexed passive optical network access. The output wavelength of the proposed RSOA-based laser can be tuned in the whole C-band. Here, we apply an orthogonal frequency division multiplexing (OFDM) modulation with bit-loading algorithm on RSOA laser to modulate 3.5 Gbps data rate directly for upstream traffic. In addition, we employ a 2.5 GHz direct modulation laser in the head-end to generate 10 Gbps 16-QAM OFDM signal for downstream traffic. Therefore, after transmitting through 20 km single-mode fiber, power penalties of 1.4 and 2.8 dB are observed for downstream and upstream traffics, respectively, under the forward error correction threshold [bit error rate = 3.8 × 10−3].

Original languageEnglish
Article number256
JournalOptical and Quantum Electronics
Volume48
Issue number4
DOIs
StatePublished - 1 Apr 2016

Keywords

  • FEC
  • OFDM-QAM
  • RSOA
  • WDM-PON

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