Demonstration of using multi-band 16-QAM OFDM modulation with direct-detection in 10 GHz bandwidth for 37.3-Gb/s PON

C. H. Yeh*, H. Y. Chen, Chi-Wai Chow, J. Y. Sung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We propose and experimentally demonstrate a 37.3 Gb/s passive optical network using four-band orthogonal-frequency-division-multiplexing (OFDM) channels within 10 GHz bandwidth. Here, the required sampling rate and resolution of digital-to-analog/analog-to-digital (DA/AD) converter are only 5 GS/s and 8 bits to accomplish the 40 Gb/s OFDM downstream rate. Moreover, to reduce the power fading and fiber chromatic dispersion issues, a - 0.7 chirp parameter Mach-Zehnder modulator is used for the four-band OFDM modulation scheme. Downstream negative power penalty of - 0.37 dB can be obtained at the bit error rate of 3.8 × 10 - 3 after 20 km standard single mode fiber transmission without dispersion compensation.

Original languageEnglish
Pages (from-to)28-33
Number of pages6
JournalPhotonic Network Communications
Volume27
Issue number1
DOIs
StatePublished - 1 Jan 2014

Keywords

  • 40Gbps PON
  • Multi-band
  • Optical OFDM
  • Pre-chirp

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